[GIT] NFS client fixes for 2.6.23++ - Kernel

This is a discussion on [GIT] NFS client fixes for 2.6.23++ - Kernel ; Hi Linus, Please pull from the repository at git pull git://git.linux-nfs.org/pub/linux/nfs-2.6.git This will update the following files through the appended changesets. Cheers, Trond ---- fs/nfs/delegation.c | 3 +- fs/nfs/dir.c | 14 +++++- fs/nfs/file.c | 2 +- fs/nfs/inode.c | 25 +++++++++-- ...

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Thread: [GIT] NFS client fixes for 2.6.23++

  1. [GIT] NFS client fixes for 2.6.23++

    Hi Linus,

    Please pull from the repository at

    git pull git://git.linux-nfs.org/pub/linux/nfs-2.6.git

    This will update the following files through the appended changesets.

    Cheers,
    Trond

    ----
    fs/nfs/delegation.c | 3 +-
    fs/nfs/dir.c | 14 +++++-
    fs/nfs/file.c | 2 +-
    fs/nfs/inode.c | 25 +++++++++--
    fs/nfs/nfs4_fs.h | 3 +-
    fs/nfs/nfs4proc.c | 19 ++++++--
    fs/nfs/nfs4state.c | 14 +++++-
    fs/nfs/unlink.c | 114 +++++++++++++++++++++++++++++++++++++++++------
    fs/nfs/write.c | 17 +++++--
    include/linux/nfs_fs.h | 8 +++
    10 files changed, 183 insertions(+), 36 deletions(-)

    commit 603c83da19cf42d0f94022ac2fa389a431e32b84
    Author: Trond Myklebust
    Date: Thu Oct 18 19:59:20 2007 -0400

    NFSv4: Fix an rpc_cred reference leakage in fs/nfs/delegation.c

    Signed-off-by: Trond Myklebust

    commit a49c3c7736a2e77931dabc5bc4a83fb4b2da013e
    Author: Trond Myklebust
    Date: Thu Oct 18 18:03:27 2007 -0400

    NFSv4: Ensure that we wait for the CLOSE request to complete

    Otherwise, we do end up breaking close-to-open semantics. We also end up
    breaking some of the silly-rename tests in Connectathon on some setups.

    Please refer to the bug-report at
    http://bugzilla.linux-nfs.org/show_bug.cgi?id=150

    Signed-off-by: Trond Myklebust

    commit 565277f63c616e11c37309a1e98c052d18ebbb55
    Author: Trond Myklebust
    Date: Mon Oct 15 18:17:53 2007 -0400

    NFS: Fix a race in sillyrename

    lookup() and sillyrename() can race one another because the sillyrename()
    completion cannot take the parent directory's inode->i_mutex since the
    latter may be held by whoever is calling dput().

    We therefore have little option but to add extra locking to ensure that
    nfs_lookup() and nfs_atomic_open() do not race with the sillyrename
    completion.
    If somebody has looked up the sillyrenamed file in the meantime, we just
    transfer the sillydelete information to the new dentry.

    Please refer to the bug-report at
    http://bugzilla.linux-nfs.org/show_bug.cgi?id=150

    Signed-off-by: Trond Myklebust

    commit 61e930a904966cc37e0a3404276f0b73037e57ca
    Author: Trond Myklebust
    Date: Thu Oct 18 17:08:05 2007 -0400

    NFS: Fix a writeback race...

    This patch fixes a regression that was introduced by commit
    44dd151d5c21234cc534c47d7382f5c28c3143cd

    We cannot zero the user page in nfs_mark_uptodate() any more, since

    a) We'd be modifying the page without holding the page lock
    b) We can race with other updates of the page, most notably
    because of the call to nfs_wb_page() in nfs_writepage_setup().

    Instead, we do the zeroing in nfs_update_request() if we see that we're
    creating a request that might potentially be marked as up to date.

    Thanks to Olivier Paquet for reporting the bug and providing a test-case.

    Signed-off-by: Trond Myklebust

    diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
    index af8b235..11833f4 100644
    --- a/fs/nfs/delegation.c
    +++ b/fs/nfs/delegation.c
    @@ -168,7 +168,8 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
    spin_unlock(&inode->i_lock);

    spin_unlock(&clp->cl_lock);
    - kfree(delegation);
    + if (delegation != NULL)
    + nfs_free_delegation(delegation);
    return status;
    }

    diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
    index 8ec7fbd..3533453 100644
    --- a/fs/nfs/dir.c
    +++ b/fs/nfs/dir.c
    @@ -562,6 +562,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
    nfs_fattr_init(&fattr);
    desc->entry = &my_entry;

    + nfs_block_sillyrename(dentry);
    while(!desc->entry->eof) {
    res = readdir_search_pagecache(desc);

    @@ -592,6 +593,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
    break;
    }
    }
    + nfs_unblock_sillyrename(dentry);
    unlock_kernel();
    if (res > 0)
    res = 0;
    @@ -866,6 +868,7 @@ struct dentry_operations nfs_dentry_operations = {
    static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd)
    {
    struct dentry *res;
    + struct dentry *parent;
    struct inode *inode = NULL;
    int error;
    struct nfs_fh fhandle;
    @@ -894,26 +897,31 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru
    goto out_unlock;
    }

    + parent = dentry->d_parent;
    + /* Protect against concurrent sillydeletes */
    + nfs_block_sillyrename(parent);
    error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, &fhandle, &fattr);
    if (error == -ENOENT)
    goto no_entry;
    if (error < 0) {
    res = ERR_PTR(error);
    - goto out_unlock;
    + goto out_unblock_sillyrename;
    }
    inode = nfs_fhget(dentry->d_sb, &fhandle, &fattr);
    res = (struct dentry *)inode;
    if (IS_ERR(res))
    - goto out_unlock;
    + goto out_unblock_sillyrename;

    no_entry:
    res = d_materialise_unique(dentry, inode);
    if (res != NULL) {
    if (IS_ERR(res))
    - goto out_unlock;
    + goto out_unblock_sillyrename;
    dentry = res;
    }
    nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
    +out_unblock_sillyrename:
    + nfs_unblock_sillyrename(parent);
    out_unlock:
    unlock_kernel();
    out:
    diff --git a/fs/nfs/file.c b/fs/nfs/file.c
    index d29f90d..b3bb89f 100644
    --- a/fs/nfs/file.c
    +++ b/fs/nfs/file.c
    @@ -131,7 +131,7 @@ nfs_file_release(struct inode *inode, struct file *filp)
    {
    /* Ensure that dirty pages are flushed out with the right creds */
    if (filp->f_mode & FMODE_WRITE)
    - filemap_fdatawrite(filp->f_mapping);
    + nfs_wb_all(filp->f_path.dentry->d_inode);
    nfs_inc_stats(inode, NFSIOS_VFSRELEASE);
    return NFS_PROTO(inode)->file_release(inode, filp);
    }
    diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
    index 6d2f2a3..db5d96d 100644
    --- a/fs/nfs/inode.c
    +++ b/fs/nfs/inode.c
    @@ -514,7 +514,7 @@ struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx)
    return ctx;
    }

    -void put_nfs_open_context(struct nfs_open_context *ctx)
    +static void __put_nfs_open_context(struct nfs_open_context *ctx, int wait)
    {
    struct inode *inode = ctx->path.dentry->d_inode;

    @@ -522,8 +522,12 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
    return;
    list_del(&ctx->list);
    spin_unlock(&inode->i_lock);
    - if (ctx->state != NULL)
    - nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
    + if (ctx->state != NULL) {
    + if (wait)
    + nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
    + else
    + nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
    + }
    if (ctx->cred != NULL)
    put_rpccred(ctx->cred);
    dput(ctx->path.dentry);
    @@ -531,6 +535,16 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
    kfree(ctx);
    }

    +void put_nfs_open_context(struct nfs_open_context *ctx)
    +{
    + __put_nfs_open_context(ctx, 0);
    +}
    +
    +static void put_nfs_open_context_sync(struct nfs_open_context *ctx)
    +{
    + __put_nfs_open_context(ctx, 1);
    +}
    +
    /*
    * Ensure that mmap has a recent RPC credential for use when writing out
    * shared pages
    @@ -577,7 +591,7 @@ static void nfs_file_clear_open_context(struct file *filp)
    spin_lock(&inode->i_lock);
    list_move_tail(&ctx->list, &NFS_I(inode)->open_files);
    spin_unlock(&inode->i_lock);
    - put_nfs_open_context(ctx);
    + put_nfs_open_context_sync(ctx);
    }
    }

    @@ -1169,6 +1183,9 @@ static void init_once(struct kmem_cache * cachep, void *foo)
    INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
    nfsi->ncommit = 0;
    nfsi->npages = 0;
    + atomic_set(&nfsi->silly_count, 1);
    + INIT_HLIST_HEAD(&nfsi->silly_list);
    + init_waitqueue_head(&nfsi->waitqueue);
    nfs4_init_once(nfsi);
    }

    diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
    index d2802b1..a4e3b96 100644
    --- a/fs/nfs/nfs4_fs.h
    +++ b/fs/nfs/nfs4_fs.h
    @@ -178,7 +178,7 @@ extern int nfs4_proc_setclientid(struct nfs_client *, u32, unsigned short, struc
    extern int nfs4_proc_setclientid_confirm(struct nfs_client *, struct rpc_cred *);
    extern int nfs4_proc_async_renew(struct nfs_client *, struct rpc_cred *);
    extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *);
    -extern int nfs4_do_close(struct path *path, struct nfs4_state *state);
    +extern int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait);
    extern struct dentry *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
    extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nameidata *);
    extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle);
    @@ -209,6 +209,7 @@ extern void nfs4_drop_state_owner(struct nfs4_state_owner *);
    extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *);
    extern void nfs4_put_open_state(struct nfs4_state *);
    extern void nfs4_close_state(struct path *, struct nfs4_state *, mode_t);
    +extern void nfs4_close_sync(struct path *, struct nfs4_state *, mode_t);
    extern void nfs4_state_set_mode_locked(struct nfs4_state *, mode_t);
    extern void nfs4_schedule_state_recovery(struct nfs_client *);
    extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp);
    diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
    index cb99fd9..f03d9d5 100644
    --- a/fs/nfs/nfs4proc.c
    +++ b/fs/nfs/nfs4proc.c
    @@ -1305,7 +1305,7 @@ static const struct rpc_call_ops nfs4_close_ops = {
    *
    * NOTE: Caller must be holding the sp->so_owner semaphore!
    */
    -int nfs4_do_close(struct path *path, struct nfs4_state *state)
    +int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
    {
    struct nfs_server *server = NFS_SERVER(state->inode);
    struct nfs4_closedata *calldata;
    @@ -1333,8 +1333,11 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state)
    task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_close_ops, calldata);
    if (IS_ERR(task))
    return PTR_ERR(task);
    + status = 0;
    + if (wait)
    + status = rpc_wait_for_completion_task(task);
    rpc_put_task(task);
    - return 0;
    + return status;
    out_free_calldata:
    kfree(calldata);
    out:
    @@ -1365,13 +1368,14 @@ static int nfs4_intent_set_file(struct nameidata *nd, struct path *path, struct
    }
    ret = PTR_ERR(filp);
    out_close:
    - nfs4_close_state(path, state, nd->intent.open.flags);
    + nfs4_close_sync(path, state, nd->intent.open.flags);
    return ret;
    }

    struct dentry *
    nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
    {
    + struct dentry *parent;
    struct path path = {
    .mnt = nd->mnt,
    .dentry = dentry,
    @@ -1394,6 +1398,9 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
    cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
    if (IS_ERR(cred))
    return (struct dentry *)cred;
    + parent = dentry->d_parent;
    + /* Protect against concurrent sillydeletes */
    + nfs_block_sillyrename(parent);
    state = nfs4_do_open(dir, &path, nd->intent.open.flags, &attr, cred);
    put_rpccred(cred);
    if (IS_ERR(state)) {
    @@ -1401,12 +1408,14 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
    d_add(dentry, NULL);
    nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
    }
    + nfs_unblock_sillyrename(parent);
    return (struct dentry *)state;
    }
    res = d_add_unique(dentry, igrab(state->inode));
    if (res != NULL)
    path.dentry = res;
    nfs_set_verifier(path.dentry, nfs_save_change_attribute(dir));
    + nfs_unblock_sillyrename(parent);
    nfs4_intent_set_file(nd, &path, state);
    return res;
    }
    @@ -1444,7 +1453,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
    nfs4_intent_set_file(nd, &path, state);
    return 1;
    }
    - nfs4_close_state(&path, state, openflags);
    + nfs4_close_sync(&path, state, openflags);
    out_drop:
    d_drop(dentry);
    return 0;
    @@ -1898,7 +1907,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
    if (status == 0 && (nd->flags & LOOKUP_OPEN) != 0)
    status = nfs4_intent_set_file(nd, &path, state);
    else
    - nfs4_close_state(&path, state, flags);
    + nfs4_close_sync(&path, state, flags);
    out:
    return status;
    }
    diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
    index bfb3626..23a9a36 100644
    --- a/fs/nfs/nfs4state.c
    +++ b/fs/nfs/nfs4state.c
    @@ -425,7 +425,7 @@ void nfs4_put_open_state(struct nfs4_state *state)
    /*
    * Close the current file.
    */
    -void nfs4_close_state(struct path *path, struct nfs4_state *state, mode_t mode)
    +static void __nfs4_close(struct path *path, struct nfs4_state *state, mode_t mode, int wait)
    {
    struct nfs4_state_owner *owner = state->owner;
    int call_close = 0;
    @@ -466,7 +466,17 @@ void nfs4_close_state(struct path *path, struct nfs4_state *state, mode_t mode)
    nfs4_put_open_state(state);
    nfs4_put_state_owner(owner);
    } else
    - nfs4_do_close(path, state);
    + nfs4_do_close(path, state, wait);
    +}
    +
    +void nfs4_close_state(struct path *path, struct nfs4_state *state, mode_t mode)
    +{
    + __nfs4_close(path, state, mode, 0);
    +}
    +
    +void nfs4_close_sync(struct path *path, struct nfs4_state *state, mode_t mode)
    +{
    + __nfs4_close(path, state, mode, 1);
    }

    /*
    diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
    index 1aed850..6ecd46c 100644
    --- a/fs/nfs/unlink.c
    +++ b/fs/nfs/unlink.c
    @@ -14,6 +14,7 @@


    struct nfs_unlinkdata {
    + struct hlist_node list;
    struct nfs_removeargs args;
    struct nfs_removeres res;
    struct inode *dir;
    @@ -52,6 +53,20 @@ static int nfs_copy_dname(struct dentry *dentry, struct nfs_unlinkdata *data)
    return 0;
    }

    +static void nfs_free_dname(struct nfs_unlinkdata *data)
    +{
    + kfree(data->args.name.name);
    + data->args.name.name = NULL;
    + data->args.name.len = 0;
    +}
    +
    +static void nfs_dec_sillycount(struct inode *dir)
    +{
    + struct nfs_inode *nfsi = NFS_I(dir);
    + if (atomic_dec_return(&nfsi->silly_count) == 1)
    + wake_up(&nfsi->waitqueue);
    +}
    +
    /**
    * nfs_async_unlink_init - Initialize the RPC info
    * task: rpc_task of the sillydelete
    @@ -95,6 +110,8 @@ static void nfs_async_unlink_done(struct rpc_task *task, void *calldata)
    static void nfs_async_unlink_release(void *calldata)
    {
    struct nfs_unlinkdata *data = calldata;
    +
    + nfs_dec_sillycount(data->dir);
    nfs_free_unlinkdata(data);
    }

    @@ -104,33 +121,100 @@ static const struct rpc_call_ops nfs_unlink_ops = {
    .rpc_release = nfs_async_unlink_release,
    };

    -static int nfs_call_unlink(struct dentry *dentry, struct nfs_unlinkdata *data)
    +static int nfs_do_call_unlink(struct dentry *parent, struct inode *dir, struct nfs_unlinkdata *data)
    {
    struct rpc_task *task;
    + struct dentry *alias;
    +
    + alias = d_lookup(parent, &data->args.name);
    + if (alias != NULL) {
    + int ret = 0;
    + /*
    + * Hey, we raced with lookup... See if we need to transfer
    + * the sillyrename information to the aliased dentry.
    + */
    + nfs_free_dname(data);
    + spin_lock(&alias->d_lock);
    + if (!(alias->d_flags & DCACHE_NFSFS_RENAMED)) {
    + alias->d_fsdata = data;
    + alias->d_flags ^= DCACHE_NFSFS_RENAMED;
    + ret = 1;
    + }
    + spin_unlock(&alias->d_lock);
    + nfs_dec_sillycount(dir);
    + dput(alias);
    + return ret;
    + }
    + data->dir = igrab(dir);
    + if (!data->dir) {
    + nfs_dec_sillycount(dir);
    + return 0;
    + }
    + data->args.fh = NFS_FH(dir);
    + nfs_fattr_init(&data->res.dir_attr);
    +
    + task = rpc_run_task(NFS_CLIENT(dir), RPC_TASK_ASYNC, &nfs_unlink_ops, data);
    + if (!IS_ERR(task))
    + rpc_put_task(task);
    + return 1;
    +}
    +
    +static int nfs_call_unlink(struct dentry *dentry, struct nfs_unlinkdata *data)
    +{
    struct dentry *parent;
    struct inode *dir;
    + int ret = 0;

    - if (nfs_copy_dname(dentry, data) < 0)
    - goto out_free;

    parent = dget_parent(dentry);
    if (parent == NULL)
    goto out_free;
    - dir = igrab(parent->d_inode);
    + dir = parent->d_inode;
    + if (nfs_copy_dname(dentry, data) == 0)
    + goto out_dput;
    + /* Non-exclusive lock protects against concurrent lookup() calls */
    + spin_lock(&dir->i_lock);
    + if (atomic_inc_not_zero(&NFS_I(dir)->silly_count) == 0) {
    + /* Deferred delete */
    + hlist_add_head(&data->list, &NFS_I(dir)->silly_list);
    + spin_unlock(&dir->i_lock);
    + ret = 1;
    + goto out_dput;
    + }
    + spin_unlock(&dir->i_lock);
    + ret = nfs_do_call_unlink(parent, dir, data);
    +out_dput:
    dput(parent);
    - if (dir == NULL)
    - goto out_free;
    +out_free:
    + return ret;
    +}

    - data->dir = dir;
    - data->args.fh = NFS_FH(dir);
    - nfs_fattr_init(&data->res.dir_attr);
    +void nfs_block_sillyrename(struct dentry *dentry)
    +{
    + struct nfs_inode *nfsi = NFS_I(dentry->d_inode);

    - task = rpc_run_task(NFS_CLIENT(dir), RPC_TASK_ASYNC, &nfs_unlink_ops, data);
    - if (!IS_ERR(task))
    - rpc_put_task(task);
    - return 1;
    -out_free:
    - return 0;
    + wait_event(nfsi->waitqueue, atomic_cmpxchg(&nfsi->silly_count, 1, 0) == 1);
    +}
    +
    +void nfs_unblock_sillyrename(struct dentry *dentry)
    +{
    + struct inode *dir = dentry->d_inode;
    + struct nfs_inode *nfsi = NFS_I(dir);
    + struct nfs_unlinkdata *data;
    +
    + atomic_inc(&nfsi->silly_count);
    + spin_lock(&dir->i_lock);
    + while (!hlist_empty(&nfsi->silly_list)) {
    + if (!atomic_inc_not_zero(&nfsi->silly_count))
    + break;
    + data = hlist_entry(nfsi->silly_list.first, struct nfs_unlinkdata, list);
    + hlist_del(&data->list);
    + spin_unlock(&dir->i_lock);
    + if (nfs_do_call_unlink(dentry, dir, data) == 0)
    + nfs_free_unlinkdata(data);
    + spin_lock(&dir->i_lock);
    + }
    + spin_unlock(&dir->i_lock);
    }

    /**
    diff --git a/fs/nfs/write.c b/fs/nfs/write.c
    index 0cf9d1c..89527a4 100644
    --- a/fs/nfs/write.c
    +++ b/fs/nfs/write.c
    @@ -174,8 +174,6 @@ static void nfs_mark_uptodate(struct page *page, unsigned int base, unsigned int
    return;
    if (count != nfs_page_length(page))
    return;
    - if (count != PAGE_CACHE_SIZE)
    - zero_user_page(page, count, PAGE_CACHE_SIZE - count, KM_USER0);
    SetPageUptodate(page);
    }

    @@ -627,7 +625,8 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx,
    return ERR_PTR(error);
    }
    spin_unlock(&inode->i_lock);
    - return new;
    + req = new;
    + goto zero_page;
    }
    spin_unlock(&inode->i_lock);

    @@ -655,13 +654,23 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx,
    if (offset < req->wb_offset) {
    req->wb_offset = offset;
    req->wb_pgbase = offset;
    - req->wb_bytes = rqend - req->wb_offset;
    + req->wb_bytes = max(end, rqend) - req->wb_offset;
    + goto zero_page;
    }

    if (end > rqend)
    req->wb_bytes = end - req->wb_offset;

    return req;
    +zero_page:
    + /* If this page might potentially be marked as up to date,
    + * then we need to zero any uninitalised data. */
    + if (req->wb_pgbase == 0 && req->wb_bytes != PAGE_CACHE_SIZE
    + && !PageUptodate(req->wb_page))
    + zero_user_page(req->wb_page, req->wb_bytes,
    + PAGE_CACHE_SIZE - req->wb_bytes,
    + KM_USER0);
    + return req;
    }

    int nfs_flush_incompatible(struct file *file, struct page *page)
    diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
    index c5164c2..e82a6eb 100644
    --- a/include/linux/nfs_fs.h
    +++ b/include/linux/nfs_fs.h
    @@ -160,6 +160,12 @@ struct nfs_inode {
    /* Open contexts for shared mmap writes */
    struct list_head open_files;

    + /* Number of in-flight sillydelete RPC calls */
    + atomic_t silly_count;
    + /* List of deferred sillydelete requests */
    + struct hlist_head silly_list;
    + wait_queue_head_t waitqueue;
    +
    #ifdef CONFIG_NFS_V4
    struct nfs4_cached_acl *nfs4_acl;
    /* NFSv4 state */
    @@ -394,6 +400,8 @@ extern void nfs_release_automount_timer(void);
    */
    extern int nfs_async_unlink(struct inode *dir, struct dentry *dentry);
    extern void nfs_complete_unlink(struct dentry *dentry, struct inode *);
    +extern void nfs_block_sillyrename(struct dentry *dentry);
    +extern void nfs_unblock_sillyrename(struct dentry *dentry);

    /*
    * linux/fs/nfs/write.c
    -
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  2. Re: [GIT] NFS client fixes for 2.6.23++

    nfs: Fix build break with CONFIG_NFS_V4=n

    Signed-off-by: Olof Johansson

    ---


    On Fri, Oct 19, 2007 at 05:23:13PM -0400, Trond Myklebust wrote:
    > Hi Linus,
    >
    > Please pull from the repository at
    >
    > git pull git://git.linux-nfs.org/pub/linux/nfs-2.6.git
    >
    > This will update the following files through the appended changesets.
    >

    [...]
    > @@ -522,8 +522,12 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
    > return;
    > list_del(&ctx->list);
    > spin_unlock(&inode->i_lock);
    > - if (ctx->state != NULL)
    > - nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
    > + if (ctx->state != NULL) {
    > + if (wait)
    > + nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
    > + else
    > + nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
    > + }
    > if (ctx->cred != NULL)
    > put_rpccred(ctx->cred);
    > dput(ctx->path.dentry);


    This gives me build errors on most PPC defconfigs, which don't enable NFSv4.

    This seems sufficient to fix it.


    diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
    index a4e3b96..b35069a 100644
    --- a/fs/nfs/nfs4_fs.h
    +++ b/fs/nfs/nfs4_fs.h
    @@ -236,6 +236,7 @@ extern struct svc_version nfs4_callback_version1;
    #else

    #define nfs4_close_state(a, b, c) do { } while (0)
    +#define nfs4_close_sync(a, b, c) do { } while (0)

    #endif /* CONFIG_NFS_V4 */
    #endif /* __LINUX_FS_NFS_NFS4_FS.H */
    -
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  3. Re: [GIT] NFS client fixes for 2.6.23++

    In message <1192828993.7466.18.camel@heimdal.trondhjem.org>, Trond Myklebust writes:
    > Hi Linus,
    >
    > Please pull from the repository at
    >
    > git pull git://git.linux-nfs.org/pub/linux/nfs-2.6.git
    >
    > This will update the following files through the appended changesets.
    >
    > Cheers,
    > Trond


    Trond, with Linus's latest tree, you need to #include in
    fs/nfs/unlink.c, else I get:

    CC [M] fs/nfs/unlink.o
    fs/nfs/unlink.c: In function 'nfs_dec_sillycount':
    fs/nfs/unlink.c:67: error: 'TASK_UNINTERRUPTIBLE' undeclared (first use in
    this function)
    fs/nfs/unlink.c:67: error: (Each undeclared identifier is reported only once
    fs/nfs/unlink.c:67: error: for each function it appears in.)
    fs/nfs/unlink.c:67: error: 'TASK_INTERRUPTIBLE' undeclared (first use in
    this function)
    fs/nfs/unlink.c: In function 'nfs_block_sillyrename':
    fs/nfs/unlink.c:196: error: 'TASK_UNINTERRUPTIBLE' undeclared (first use in
    this function)
    fs/nfs/unlink.c:196: error: implicit declaration of function 'schedule'
    make[2]: *** [fs/nfs/unlink.o] Error 1
    make[1]: *** [fs/nfs] Error 2
    make: *** [fs] Error 2

    Cheers,
    Erez.
    -
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  4. Re: [GIT] NFS client fixes for 2.6.23++



    On Fri, 19 Oct 2007, Erez Zadok wrote:
    >
    > Trond, with Linus's latest tree, you need to #include in
    > fs/nfs/unlink.c, else I get:
    >
    > CC [M] fs/nfs/unlink.o
    > fs/nfs/unlink.c: In function 'nfs_dec_sillycount':
    > fs/nfs/unlink.c:67: error: 'TASK_UNINTERRUPTIBLE' undeclared (first use in this function)

    ....

    Hmm? Which architecture?

    That said, I do think that there is a distinct lack of proper includes in
    that file. It seems to depend on getting much of the includes indirectly
    from and friends. And with different architectures having
    different header files..

    Linus
    -
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  5. Re: [GIT] NFS client fixes for 2.6.23++

    In message , Linus Torvalds writes:
    >
    >
    > On Fri, 19 Oct 2007, Erez Zadok wrote:
    > >
    > > Trond, with Linus's latest tree, you need to #include in
    > > fs/nfs/unlink.c, else I get:
    > >
    > > CC [M] fs/nfs/unlink.o
    > > fs/nfs/unlink.c: In function 'nfs_dec_sillycount':
    > > fs/nfs/unlink.c:67: error: 'TASK_UNINTERRUPTIBLE' undeclared (first use in this function)

    > ...
    >
    > Hmm? Which architecture?


    i386

    Erez.
    -
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  6. Re: [GIT] NFS client fixes for 2.6.23++



    On Fri, 19 Oct 2007, Erez Zadok wrote:
    >
    > i386


    Hmm. Doesn't happen here, not on x86-64 nor i386.

    Probably some subtle config issue as usual, where some configuration
    doesn't include indirectly.

    But I'll add the direct includes of and .

    Linus
    -
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  7. Re: [GIT] NFS client fixes for 2.6.23++

    In message , Linus Torvalds writes:
    >
    >
    > On Fri, 19 Oct 2007, Erez Zadok wrote:
    > >
    > > i386

    >
    > Hmm. Doesn't happen here, not on x86-64 nor i386.
    >
    > Probably some subtle config issue as usual, where some configuration
    > doesn't include indirectly.
    >
    > But I'll add the direct includes of and .
    >
    > Linus


    FWIW, here's my .config.

    Erez.

    #
    # Automatically generated make config: don't edit
    # Linux kernel version: 2.6.23
    # Fri Oct 19 16:51:35 2007
    #
    CONFIG_X86_32=y
    CONFIG_GENERIC_TIME=y
    CONFIG_GENERIC_CMOS_UPDATE=y
    CONFIG_CLOCKSOURCE_WATCHDOG=y
    CONFIG_GENERIC_CLOCKEVENTS=y
    CONFIG_LOCKDEP_SUPPORT=y
    CONFIG_STACKTRACE_SUPPORT=y
    CONFIG_SEMAPHORE_SLEEPERS=y
    CONFIG_X86=y
    CONFIG_MMU=y
    CONFIG_ZONE_DMA=y
    CONFIG_QUICKLIST=y
    CONFIG_GENERIC_ISA_DMA=y
    CONFIG_GENERIC_IOMAP=y
    CONFIG_GENERIC_BUG=y
    CONFIG_GENERIC_HWEIGHT=y
    CONFIG_ARCH_MAY_HAVE_PC_FDC=y
    CONFIG_DMI=y
    CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

    #
    # General setup
    #
    CONFIG_EXPERIMENTAL=y
    CONFIG_BROKEN_ON_SMP=y
    CONFIG_INIT_ENV_ARG_LIMIT=32
    CONFIG_LOCALVERSION=""
    # CONFIG_LOCALVERSION_AUTO is not set
    CONFIG_SWAP=y
    CONFIG_SYSVIPC=y
    CONFIG_SYSVIPC_SYSCTL=y
    # CONFIG_POSIX_MQUEUE is not set
    CONFIG_BSD_PROCESS_ACCT=y
    # CONFIG_BSD_PROCESS_ACCT_V3 is not set
    # CONFIG_TASKSTATS is not set
    # CONFIG_USER_NS is not set
    # CONFIG_AUDIT is not set
    CONFIG_IKCONFIG=y
    # CONFIG_IKCONFIG_PROC is not set
    CONFIG_LOG_BUF_SHIFT=14
    # CONFIG_CGROUPS is not set
    CONFIG_FAIR_GROUP_SCHED=y
    CONFIG_FAIR_USER_SCHED=y
    # CONFIG_FAIR_CGROUP_SCHED is not set
    CONFIG_SYSFS_DEPRECATED=y
    # CONFIG_RELAY is not set
    CONFIG_BLK_DEV_INITRD=y
    CONFIG_INITRAMFS_SOURCE=""
    CONFIG_CC_OPTIMIZE_FOR_SIZE=y
    CONFIG_SYSCTL=y
    # CONFIG_EMBEDDED is not set
    CONFIG_UID16=y
    CONFIG_SYSCTL_SYSCALL=y
    CONFIG_KALLSYMS=y
    CONFIG_KALLSYMS_ALL=y
    CONFIG_KALLSYMS_EXTRA_PASS=y
    CONFIG_HOTPLUG=y
    CONFIG_PRINTK=y
    CONFIG_BUG=y
    CONFIG_ELF_CORE=y
    CONFIG_BASE_FULL=y
    CONFIG_FUTEX=y
    CONFIG_ANON_INODES=y
    CONFIG_EPOLL=y
    CONFIG_SIGNALFD=y
    CONFIG_EVENTFD=y
    CONFIG_SHMEM=y
    CONFIG_VM_EVENT_COUNTERS=y
    CONFIG_SLAB=y
    # CONFIG_SLUB is not set
    # CONFIG_SLOB is not set
    CONFIG_RT_MUTEXES=y
    # CONFIG_TINY_SHMEM is not set
    CONFIG_BASE_SMALL=0
    CONFIG_MODULES=y
    CONFIG_MODULE_UNLOAD=y
    # CONFIG_MODULE_FORCE_UNLOAD is not set
    # CONFIG_MODVERSIONS is not set
    # CONFIG_MODULE_SRCVERSION_ALL is not set
    CONFIG_KMOD=y
    CONFIG_BLOCK=y
    # CONFIG_LBD is not set
    # CONFIG_BLK_DEV_IO_TRACE is not set
    # CONFIG_LSF is not set
    # CONFIG_BLK_DEV_BSG is not set

    #
    # IO Schedulers
    #
    CONFIG_IOSCHED_NOOP=y
    CONFIG_IOSCHED_AS=y
    CONFIG_IOSCHED_DEADLINE=y
    CONFIG_IOSCHED_CFQ=y
    # CONFIG_DEFAULT_AS is not set
    # CONFIG_DEFAULT_DEADLINE is not set
    CONFIG_DEFAULT_CFQ=y
    # CONFIG_DEFAULT_NOOP is not set
    CONFIG_DEFAULT_IOSCHED="cfq"

    #
    # Processor type and features
    #
    # CONFIG_TICK_ONESHOT is not set
    # CONFIG_NO_HZ is not set
    # CONFIG_HIGH_RES_TIMERS is not set
    CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
    # CONFIG_SMP is not set
    CONFIG_X86_PC=y
    # CONFIG_X86_ELAN is not set
    # CONFIG_X86_VOYAGER is not set
    # CONFIG_X86_NUMAQ is not set
    # CONFIG_X86_SUMMIT is not set
    # CONFIG_X86_BIGSMP is not set
    # CONFIG_X86_VISWS is not set
    # CONFIG_X86_GENERICARCH is not set
    # CONFIG_X86_ES7000 is not set
    CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
    # CONFIG_PARAVIRT is not set
    # CONFIG_M386 is not set
    # CONFIG_M486 is not set
    # CONFIG_M586 is not set
    # CONFIG_M586TSC is not set
    # CONFIG_M586MMX is not set
    CONFIG_M686=y
    # CONFIG_MPENTIUMII is not set
    # CONFIG_MPENTIUMIII is not set
    # CONFIG_MPENTIUMM is not set
    # CONFIG_MCORE2 is not set
    # CONFIG_MPENTIUM4 is not set
    # CONFIG_MK6 is not set
    # CONFIG_MK7 is not set
    # CONFIG_MK8 is not set
    # CONFIG_MCRUSOE is not set
    # CONFIG_MEFFICEON is not set
    # CONFIG_MWINCHIPC6 is not set
    # CONFIG_MWINCHIP2 is not set
    # CONFIG_MWINCHIP3D is not set
    # CONFIG_MGEODEGX1 is not set
    # CONFIG_MGEODE_LX is not set
    # CONFIG_MCYRIXIII is not set
    # CONFIG_MVIAC3_2 is not set
    # CONFIG_MVIAC7 is not set
    # CONFIG_X86_GENERIC is not set
    CONFIG_X86_CMPXCHG=y
    CONFIG_X86_L1_CACHE_SHIFT=5
    CONFIG_X86_XADD=y
    CONFIG_RWSEM_XCHGADD_ALGORITHM=y
    # CONFIG_ARCH_HAS_ILOG2_U32 is not set
    # CONFIG_ARCH_HAS_ILOG2_U64 is not set
    CONFIG_GENERIC_CALIBRATE_DELAY=y
    CONFIG_X86_PPRO_FENCE=y
    CONFIG_X86_WP_WORKS_OK=y
    CONFIG_X86_INVLPG=y
    CONFIG_X86_BSWAP=y
    CONFIG_X86_POPAD_OK=y
    CONFIG_X86_GOOD_APIC=y
    CONFIG_X86_USE_PPRO_CHECKSUM=y
    CONFIG_X86_TSC=y
    CONFIG_X86_CMOV=y
    CONFIG_X86_MINIMUM_CPU_FAMILY=4
    CONFIG_HPET_TIMER=y
    CONFIG_PREEMPT_NONE=y
    # CONFIG_PREEMPT_VOLUNTARY is not set
    # CONFIG_PREEMPT is not set
    # CONFIG_X86_UP_APIC is not set
    CONFIG_X86_MCE=y
    # CONFIG_X86_MCE_NONFATAL is not set
    CONFIG_VM86=y
    # CONFIG_TOSHIBA is not set
    # CONFIG_I8K is not set
    # CONFIG_X86_REBOOTFIXUPS is not set
    # CONFIG_MICROCODE is not set
    # CONFIG_X86_MSR is not set
    # CONFIG_X86_CPUID is not set

    #
    # Firmware Drivers
    #
    # CONFIG_EDD is not set
    # CONFIG_DELL_RBU is not set
    # CONFIG_DCDBAS is not set
    # CONFIG_DMIID is not set
    CONFIG_NOHIGHMEM=y
    # CONFIG_HIGHMEM4G is not set
    # CONFIG_HIGHMEM64G is not set
    CONFIG_PAGE_OFFSET=0xC0000000
    # CONFIG_X86_PAE is not set
    CONFIG_ARCH_FLATMEM_ENABLE=y
    CONFIG_ARCH_SPARSEMEM_ENABLE=y
    CONFIG_ARCH_SELECT_MEMORY_MODEL=y
    CONFIG_ARCH_POPULATES_NODE_MAP=y
    CONFIG_SELECT_MEMORY_MODEL=y
    CONFIG_FLATMEM_MANUAL=y
    # CONFIG_DISCONTIGMEM_MANUAL is not set
    # CONFIG_SPARSEMEM_MANUAL is not set
    CONFIG_FLATMEM=y
    CONFIG_FLAT_NODE_MEM_MAP=y
    CONFIG_SPARSEMEM_STATIC=y
    # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
    CONFIG_SPLIT_PTLOCK_CPUS=4
    # CONFIG_RESOURCES_64BIT is not set
    CONFIG_ZONE_DMA_FLAG=1
    CONFIG_BOUNCE=y
    CONFIG_NR_QUICK=1
    CONFIG_VIRT_TO_BUS=y
    # CONFIG_MATH_EMULATION is not set
    # CONFIG_MTRR is not set
    CONFIG_SECCOMP=y
    # CONFIG_HZ_100 is not set
    CONFIG_HZ_250=y
    # CONFIG_HZ_300 is not set
    # CONFIG_HZ_1000 is not set
    CONFIG_HZ=250
    # CONFIG_KEXEC is not set
    CONFIG_PHYSICAL_START=0x100000
    # CONFIG_RELOCATABLE is not set
    CONFIG_PHYSICAL_ALIGN=0x100000
    CONFIG_COMPAT_VDSO=y

    #
    # Power management options (ACPI, APM)
    #
    # CONFIG_PM is not set
    CONFIG_SUSPEND_UP_POSSIBLE=y
    CONFIG_HIBERNATION_UP_POSSIBLE=y

    #
    # CPU Frequency scaling
    #
    # CONFIG_CPU_FREQ is not set
    # CONFIG_CPU_IDLE is not set

    #
    # Bus options (PCI, PCMCIA, EISA, MCA, ISA)
    #
    CONFIG_PCI=y
    # CONFIG_PCI_GOBIOS is not set
    # CONFIG_PCI_GOMMCONFIG is not set
    # CONFIG_PCI_GODIRECT is not set
    CONFIG_PCI_GOANY=y
    CONFIG_PCI_BIOS=y
    CONFIG_PCI_DIRECT=y
    CONFIG_PCI_DOMAINS=y
    # CONFIG_PCIEPORTBUS is not set
    # CONFIG_ARCH_SUPPORTS_MSI is not set
    # CONFIG_PCI_DEBUG is not set
    CONFIG_ISA_DMA_API=y
    # CONFIG_ISA is not set
    # CONFIG_MCA is not set
    # CONFIG_SCx200 is not set
    # CONFIG_PCCARD is not set
    # CONFIG_HOTPLUG_PCI is not set

    #
    # Executable file formats
    #
    CONFIG_BINFMT_ELF=y
    # CONFIG_BINFMT_AOUT is not set
    # CONFIG_BINFMT_MISC is not set

    #
    # Networking
    #
    CONFIG_NET=y

    #
    # Networking options
    #
    CONFIG_PACKET=y
    CONFIG_PACKET_MMAP=y
    CONFIG_UNIX=y
    # CONFIG_NET_KEY is not set
    CONFIG_INET=y
    # CONFIG_IP_MULTICAST is not set
    # CONFIG_IP_ADVANCED_ROUTER is not set
    CONFIG_IP_FIB_HASH=y
    # CONFIG_IP_PNP is not set
    # CONFIG_NET_IPIP is not set
    # CONFIG_NET_IPGRE is not set
    # CONFIG_ARPD is not set
    CONFIG_SYN_COOKIES=y
    # CONFIG_INET_AH is not set
    # CONFIG_INET_ESP is not set
    # CONFIG_INET_IPCOMP is not set
    # CONFIG_INET_XFRM_TUNNEL is not set
    # CONFIG_INET_TUNNEL is not set
    # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
    # CONFIG_INET_XFRM_MODE_TUNNEL is not set
    # CONFIG_INET_XFRM_MODE_BEET is not set
    # CONFIG_INET_LRO is not set
    CONFIG_INET_DIAG=y
    CONFIG_INET_TCP_DIAG=y
    # CONFIG_TCP_CONG_ADVANCED is not set
    CONFIG_TCP_CONG_CUBIC=y
    CONFIG_DEFAULT_TCP_CONG="cubic"
    # CONFIG_TCP_MD5SIG is not set
    # CONFIG_IP_VS is not set
    # CONFIG_IPV6 is not set
    # CONFIG_INET6_XFRM_TUNNEL is not set
    # CONFIG_INET6_TUNNEL is not set
    # CONFIG_NETWORK_SECMARK is not set
    CONFIG_NETFILTER=y
    # CONFIG_NETFILTER_DEBUG is not set

    #
    # Core Netfilter Configuration
    #
    CONFIG_NETFILTER_NETLINK=y
    # CONFIG_NETFILTER_NETLINK_QUEUE is not set
    # CONFIG_NETFILTER_NETLINK_LOG is not set
    # CONFIG_NF_CONNTRACK_ENABLED is not set
    # CONFIG_NF_CONNTRACK is not set
    # CONFIG_NETFILTER_XTABLES is not set

    #
    # IP: Netfilter Configuration
    #
    # CONFIG_IP_NF_QUEUE is not set
    # CONFIG_IP_NF_IPTABLES is not set
    # CONFIG_IP_NF_ARPTABLES is not set
    # CONFIG_IP_DCCP is not set
    # CONFIG_IP_SCTP is not set
    # CONFIG_TIPC is not set
    # CONFIG_ATM is not set
    # CONFIG_BRIDGE is not set
    # CONFIG_VLAN_8021Q is not set
    # CONFIG_DECNET is not set
    # CONFIG_LLC2 is not set
    # CONFIG_IPX is not set
    # CONFIG_ATALK is not set
    # CONFIG_X25 is not set
    # CONFIG_LAPB is not set
    # CONFIG_ECONET is not set
    # CONFIG_WAN_ROUTER is not set
    # CONFIG_NET_SCHED is not set

    #
    # Network testing
    #
    # CONFIG_NET_PKTGEN is not set
    # CONFIG_HAMRADIO is not set
    # CONFIG_IRDA is not set
    # CONFIG_BT is not set
    # CONFIG_AF_RXRPC is not set

    #
    # Wireless
    #
    # CONFIG_CFG80211 is not set
    # CONFIG_WIRELESS_EXT is not set
    # CONFIG_MAC80211 is not set
    # CONFIG_IEEE80211 is not set
    # CONFIG_RFKILL is not set
    # CONFIG_NET_9P is not set

    #
    # Device Drivers
    #

    #
    # Generic Driver Options
    #
    CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
    CONFIG_STANDALONE=y
    CONFIG_PREVENT_FIRMWARE_BUILD=y
    # CONFIG_FW_LOADER is not set
    # CONFIG_DEBUG_DRIVER is not set
    # CONFIG_DEBUG_DEVRES is not set
    # CONFIG_SYS_HYPERVISOR is not set
    # CONFIG_CONNECTOR is not set
    CONFIG_MTD=m
    # CONFIG_MTD_DEBUG is not set
    # CONFIG_MTD_CONCAT is not set
    # CONFIG_MTD_PARTITIONS is not set

    #
    # User Modules And Translation Layers
    #
    # CONFIG_MTD_CHAR is not set
    CONFIG_MTD_BLKDEVS=m
    CONFIG_MTD_BLOCK=m
    # CONFIG_MTD_BLOCK_RO is not set
    # CONFIG_FTL is not set
    # CONFIG_NFTL is not set
    # CONFIG_INFTL is not set
    # CONFIG_RFD_FTL is not set
    # CONFIG_SSFDC is not set
    # CONFIG_MTD_OOPS is not set

    #
    # RAM/ROM/Flash chip drivers
    #
    # CONFIG_MTD_CFI is not set
    # CONFIG_MTD_JEDECPROBE is not set
    CONFIG_MTD_MAP_BANK_WIDTH_1=y
    CONFIG_MTD_MAP_BANK_WIDTH_2=y
    CONFIG_MTD_MAP_BANK_WIDTH_4=y
    # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
    # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
    # CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
    CONFIG_MTD_CFI_I1=y
    CONFIG_MTD_CFI_I2=y
    # CONFIG_MTD_CFI_I4 is not set
    # CONFIG_MTD_CFI_I8 is not set
    # CONFIG_MTD_RAM is not set
    # CONFIG_MTD_ROM is not set
    # CONFIG_MTD_ABSENT is not set

    #
    # Mapping drivers for chip access
    #
    # CONFIG_MTD_COMPLEX_MAPPINGS is not set
    # CONFIG_MTD_TS5500 is not set
    # CONFIG_MTD_INTEL_VR_NOR is not set
    # CONFIG_MTD_PLATRAM is not set

    #
    # Self-contained MTD device drivers
    #
    # CONFIG_MTD_PMC551 is not set
    # CONFIG_MTD_SLRAM is not set
    # CONFIG_MTD_PHRAM is not set
    # CONFIG_MTD_MTDRAM is not set
    CONFIG_MTD_BLOCK2MTD=m

    #
    # Disk-On-Chip Device Drivers
    #
    # CONFIG_MTD_DOC2000 is not set
    # CONFIG_MTD_DOC2001 is not set
    # CONFIG_MTD_DOC2001PLUS is not set
    # CONFIG_MTD_NAND is not set
    # CONFIG_MTD_ONENAND is not set

    #
    # UBI - Unsorted block images
    #
    # CONFIG_MTD_UBI is not set
    # CONFIG_PARPORT is not set
    CONFIG_BLK_DEV=y
    CONFIG_BLK_DEV_FD=y
    # CONFIG_BLK_CPQ_DA is not set
    # CONFIG_BLK_CPQ_CISS_DA is not set
    # CONFIG_BLK_DEV_DAC960 is not set
    # CONFIG_BLK_DEV_UMEM is not set
    # CONFIG_BLK_DEV_COW_COMMON is not set
    CONFIG_BLK_DEV_LOOP=y
    # CONFIG_BLK_DEV_CRYPTOLOOP is not set
    # CONFIG_BLK_DEV_NBD is not set
    # CONFIG_BLK_DEV_SX8 is not set
    CONFIG_BLK_DEV_RAM=y
    CONFIG_BLK_DEV_RAM_COUNT=16
    CONFIG_BLK_DEV_RAM_SIZE=4096
    CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
    # CONFIG_CDROM_PKTCDVD is not set
    # CONFIG_ATA_OVER_ETH is not set
    # CONFIG_MISC_DEVICES is not set
    CONFIG_IDE=y
    CONFIG_BLK_DEV_IDE=y

    #
    # Please see Documentation/ide.txt for help/info on IDE drives
    #
    # CONFIG_BLK_DEV_IDE_SATA is not set
    # CONFIG_BLK_DEV_HD_IDE is not set
    CONFIG_BLK_DEV_IDEDISK=y
    CONFIG_IDEDISK_MULTI_MODE=y
    CONFIG_BLK_DEV_IDECD=y
    # CONFIG_BLK_DEV_IDETAPE is not set
    CONFIG_BLK_DEV_IDEFLOPPY=y
    # CONFIG_IDE_TASK_IOCTL is not set
    CONFIG_IDE_PROC_FS=y

    #
    # IDE chipset support/bugfixes
    #
    CONFIG_IDE_GENERIC=y
    # CONFIG_BLK_DEV_PLATFORM is not set
    # CONFIG_BLK_DEV_CMD640 is not set

    #
    # PCI IDE chipsets support
    #
    CONFIG_BLK_DEV_IDEPCI=y
    CONFIG_IDEPCI_SHARE_IRQ=y
    CONFIG_IDEPCI_PCIBUS_ORDER=y
    # CONFIG_BLK_DEV_OFFBOARD is not set
    CONFIG_BLK_DEV_GENERIC=y
    # CONFIG_BLK_DEV_OPTI621 is not set
    # CONFIG_BLK_DEV_RZ1000 is not set
    CONFIG_BLK_DEV_IDEDMA_PCI=y
    # CONFIG_BLK_DEV_AEC62XX is not set
    # CONFIG_BLK_DEV_ALI15X3 is not set
    # CONFIG_BLK_DEV_AMD74XX is not set
    # CONFIG_BLK_DEV_ATIIXP is not set
    # CONFIG_BLK_DEV_CMD64X is not set
    # CONFIG_BLK_DEV_TRIFLEX is not set
    # CONFIG_BLK_DEV_CY82C693 is not set
    # CONFIG_BLK_DEV_CS5520 is not set
    # CONFIG_BLK_DEV_CS5530 is not set
    # CONFIG_BLK_DEV_CS5535 is not set
    # CONFIG_BLK_DEV_HPT34X is not set
    # CONFIG_BLK_DEV_HPT366 is not set
    # CONFIG_BLK_DEV_JMICRON is not set
    # CONFIG_BLK_DEV_SC1200 is not set
    CONFIG_BLK_DEV_PIIX=y
    # CONFIG_BLK_DEV_IT8213 is not set
    # CONFIG_BLK_DEV_IT821X is not set
    # CONFIG_BLK_DEV_NS87415 is not set
    # CONFIG_BLK_DEV_PDC202XX_OLD is not set
    # CONFIG_BLK_DEV_PDC202XX_NEW is not set
    # CONFIG_BLK_DEV_SVWKS is not set
    # CONFIG_BLK_DEV_SIIMAGE is not set
    # CONFIG_BLK_DEV_SIS5513 is not set
    # CONFIG_BLK_DEV_SLC90E66 is not set
    # CONFIG_BLK_DEV_TRM290 is not set
    # CONFIG_BLK_DEV_VIA82CXXX is not set
    # CONFIG_BLK_DEV_TC86C001 is not set
    # CONFIG_IDE_ARM is not set
    CONFIG_BLK_DEV_IDEDMA=y
    # CONFIG_BLK_DEV_HD is not set

    #
    # SCSI device support
    #
    # CONFIG_RAID_ATTRS is not set
    # CONFIG_SCSI is not set
    # CONFIG_SCSI_DMA is not set
    # CONFIG_SCSI_NETLINK is not set
    # CONFIG_ATA is not set
    # CONFIG_MD is not set
    # CONFIG_FUSION is not set

    #
    # IEEE 1394 (FireWire) support
    #
    # CONFIG_FIREWIRE is not set
    # CONFIG_IEEE1394 is not set
    # CONFIG_I2O is not set
    # CONFIG_MACINTOSH_DRIVERS is not set
    CONFIG_NETDEVICES=y
    # CONFIG_NETDEVICES_MULTIQUEUE is not set
    # CONFIG_DUMMY is not set
    # CONFIG_BONDING is not set
    # CONFIG_MACVLAN is not set
    # CONFIG_EQUALIZER is not set
    # CONFIG_TUN is not set
    # CONFIG_VETH is not set
    # CONFIG_IP1000 is not set
    # CONFIG_ARCNET is not set
    # CONFIG_PHYLIB is not set
    CONFIG_NET_ETHERNET=y
    CONFIG_MII=y
    # CONFIG_HAPPYMEAL is not set
    # CONFIG_SUNGEM is not set
    # CONFIG_CASSINI is not set
    # CONFIG_NET_VENDOR_3COM is not set
    # CONFIG_NET_TULIP is not set
    # CONFIG_HP100 is not set
    # CONFIG_IBM_NEW_EMAC_ZMII is not set
    # CONFIG_IBM_NEW_EMAC_RGMII is not set
    # CONFIG_IBM_NEW_EMAC_TAH is not set
    # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
    CONFIG_NET_PCI=y
    CONFIG_PCNET32=m
    CONFIG_PCNET32_NAPI=y
    # CONFIG_AMD8111_ETH is not set
    # CONFIG_ADAPTEC_STARFIRE is not set
    # CONFIG_B44 is not set
    # CONFIG_FORCEDETH is not set
    # CONFIG_EEPRO100 is not set
    CONFIG_E100=m
    # CONFIG_FEALNX is not set
    # CONFIG_NATSEMI is not set
    CONFIG_NE2K_PCI=m
    # CONFIG_8139CP is not set
    # CONFIG_8139TOO is not set
    # CONFIG_SIS900 is not set
    # CONFIG_EPIC100 is not set
    # CONFIG_SUNDANCE is not set
    # CONFIG_TLAN is not set
    # CONFIG_VIA_RHINE is not set
    # CONFIG_SC92031 is not set
    CONFIG_NETDEV_1000=y
    # CONFIG_ACENIC is not set
    # CONFIG_DL2K is not set
    CONFIG_E1000=m
    # CONFIG_E1000_NAPI is not set
    # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
    # CONFIG_E1000E is not set
    # CONFIG_NS83820 is not set
    # CONFIG_HAMACHI is not set
    # CONFIG_YELLOWFIN is not set
    # CONFIG_R8169 is not set
    # CONFIG_SIS190 is not set
    # CONFIG_SKGE is not set
    # CONFIG_SKY2 is not set
    # CONFIG_SK98LIN is not set
    # CONFIG_VIA_VELOCITY is not set
    # CONFIG_TIGON3 is not set
    # CONFIG_BNX2 is not set
    # CONFIG_QLA3XXX is not set
    # CONFIG_ATL1 is not set
    # CONFIG_NETDEV_10000 is not set
    # CONFIG_TR is not set

    #
    # Wireless LAN
    #
    # CONFIG_WLAN_PRE80211 is not set
    # CONFIG_WLAN_80211 is not set
    # CONFIG_WAN is not set
    # CONFIG_FDDI is not set
    # CONFIG_HIPPI is not set
    # CONFIG_PPP is not set
    # CONFIG_SLIP is not set
    # CONFIG_SHAPER is not set
    # CONFIG_NETCONSOLE is not set
    # CONFIG_NETPOLL is not set
    # CONFIG_NET_POLL_CONTROLLER is not set
    # CONFIG_ISDN is not set
    # CONFIG_PHONE is not set

    #
    # Input device support
    #
    CONFIG_INPUT=y
    # CONFIG_INPUT_FF_MEMLESS is not set
    # CONFIG_INPUT_POLLDEV is not set

    #
    # Userland interfaces
    #
    CONFIG_INPUT_MOUSEDEV=y
    CONFIG_INPUT_MOUSEDEV_PSAUX=y
    CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
    CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
    # CONFIG_INPUT_JOYDEV is not set
    # CONFIG_INPUT_EVDEV is not set
    # CONFIG_INPUT_EVBUG is not set

    #
    # Input Device Drivers
    #
    CONFIG_INPUT_KEYBOARD=y
    CONFIG_KEYBOARD_ATKBD=y
    # CONFIG_KEYBOARD_SUNKBD is not set
    # CONFIG_KEYBOARD_LKKBD is not set
    # CONFIG_KEYBOARD_XTKBD is not set
    # CONFIG_KEYBOARD_NEWTON is not set
    # CONFIG_KEYBOARD_STOWAWAY is not set
    CONFIG_INPUT_MOUSE=y
    CONFIG_MOUSE_PS2=y
    CONFIG_MOUSE_PS2_ALPS=y
    CONFIG_MOUSE_PS2_LOGIPS2PP=y
    CONFIG_MOUSE_PS2_SYNAPTICS=y
    CONFIG_MOUSE_PS2_LIFEBOOK=y
    CONFIG_MOUSE_PS2_TRACKPOINT=y
    # CONFIG_MOUSE_PS2_TOUCHKIT is not set
    # CONFIG_MOUSE_SERIAL is not set
    # CONFIG_MOUSE_VSXXXAA is not set
    # CONFIG_INPUT_JOYSTICK is not set
    # CONFIG_INPUT_TABLET is not set
    # CONFIG_INPUT_TOUCHSCREEN is not set
    # CONFIG_INPUT_MISC is not set

    #
    # Hardware I/O ports
    #
    CONFIG_SERIO=y
    CONFIG_SERIO_I8042=y
    # CONFIG_SERIO_SERPORT is not set
    # CONFIG_SERIO_CT82C710 is not set
    # CONFIG_SERIO_PCIPS2 is not set
    CONFIG_SERIO_LIBPS2=y
    # CONFIG_SERIO_RAW is not set
    # CONFIG_GAMEPORT is not set

    #
    # Character devices
    #
    CONFIG_VT=y
    CONFIG_VT_CONSOLE=y
    CONFIG_HW_CONSOLE=y
    # CONFIG_VT_HW_CONSOLE_BINDING is not set
    # CONFIG_SERIAL_NONSTANDARD is not set

    #
    # Serial drivers
    #
    # CONFIG_SERIAL_8250 is not set
    CONFIG_FIX_EARLYCON_MEM=y

    #
    # Non-8250 serial port support
    #
    # CONFIG_SERIAL_JSM is not set
    CONFIG_UNIX98_PTYS=y
    # CONFIG_LEGACY_PTYS is not set
    # CONFIG_IPMI_HANDLER is not set
    # CONFIG_HW_RANDOM is not set
    # CONFIG_NVRAM is not set
    # CONFIG_RTC is not set
    # CONFIG_GEN_RTC is not set
    # CONFIG_R3964 is not set
    # CONFIG_APPLICOM is not set
    # CONFIG_SONYPI is not set
    # CONFIG_MWAVE is not set
    # CONFIG_PC8736x_GPIO is not set
    # CONFIG_NSC_GPIO is not set
    # CONFIG_CS5535_GPIO is not set
    # CONFIG_RAW_DRIVER is not set
    # CONFIG_HANGCHECK_TIMER is not set
    # CONFIG_TCG_TPM is not set
    # CONFIG_TELCLOCK is not set
    CONFIG_DEVPORT=y
    # CONFIG_I2C is not set

    #
    # SPI support
    #
    # CONFIG_SPI is not set
    # CONFIG_SPI_MASTER is not set
    # CONFIG_W1 is not set
    # CONFIG_POWER_SUPPLY is not set
    # CONFIG_HWMON is not set
    # CONFIG_WATCHDOG is not set

    #
    # Sonics Silicon Backplane
    #
    CONFIG_SSB_POSSIBLE=y
    # CONFIG_SSB is not set

    #
    # Multifunction device drivers
    #
    # CONFIG_MFD_SM501 is not set

    #
    # Multimedia devices
    #
    # CONFIG_VIDEO_DEV is not set
    # CONFIG_DVB_CORE is not set
    # CONFIG_DAB is not set

    #
    # Graphics support
    #
    # CONFIG_AGP is not set
    # CONFIG_DRM is not set
    # CONFIG_VGASTATE is not set
    # CONFIG_VIDEO_OUTPUT_CONTROL is not set
    # CONFIG_FB is not set
    # CONFIG_BACKLIGHT_LCD_SUPPORT is not set

    #
    # Display device support
    #
    CONFIG_DISPLAY_SUPPORT=y

    #
    # Display hardware drivers
    #

    #
    # Console display driver support
    #
    CONFIG_VGA_CONSOLE=y
    # CONFIG_VGACON_SOFT_SCROLLBACK is not set
    # CONFIG_VIDEO_SELECT is not set
    CONFIG_DUMMY_CONSOLE=y

    #
    # Sound
    #
    # CONFIG_SOUND is not set
    # CONFIG_HID_SUPPORT is not set
    # CONFIG_USB_SUPPORT is not set
    # CONFIG_MMC is not set
    # CONFIG_NEW_LEDS is not set
    # CONFIG_INFINIBAND is not set
    # CONFIG_EDAC is not set
    # CONFIG_RTC_CLASS is not set
    # CONFIG_DMADEVICES is not set
    # CONFIG_VIRTUALIZATION is not set

    #
    # Userspace I/O
    #
    # CONFIG_UIO is not set

    #
    # File systems
    #
    CONFIG_EXT2_FS=y
    CONFIG_EXT2_FS_XATTR=y
    # CONFIG_EXT2_FS_POSIX_ACL is not set
    # CONFIG_EXT2_FS_SECURITY is not set
    # CONFIG_EXT2_FS_XIP is not set
    CONFIG_EXT3_FS=y
    CONFIG_EXT3_FS_XATTR=y
    CONFIG_EXT3_FS_POSIX_ACL=y
    # CONFIG_EXT3_FS_SECURITY is not set
    CONFIG_EXT4DEV_FS=m
    CONFIG_EXT4DEV_FS_XATTR=y
    # CONFIG_EXT4DEV_FS_POSIX_ACL is not set
    # CONFIG_EXT4DEV_FS_SECURITY is not set
    CONFIG_JBD=y
    CONFIG_JBD2=m
    CONFIG_FS_MBCACHE=y
    CONFIG_REISERFS_FS=m
    # CONFIG_REISERFS_CHECK is not set
    # CONFIG_REISERFS_PROC_INFO is not set
    # CONFIG_REISERFS_FS_XATTR is not set
    # CONFIG_JFS_FS is not set
    CONFIG_FS_POSIX_ACL=y
    CONFIG_XFS_FS=m
    # CONFIG_XFS_QUOTA is not set
    # CONFIG_XFS_SECURITY is not set
    # CONFIG_XFS_POSIX_ACL is not set
    # CONFIG_XFS_RT is not set
    # CONFIG_GFS2_FS is not set
    # CONFIG_OCFS2_FS is not set
    # CONFIG_MINIX_FS is not set
    # CONFIG_ROMFS_FS is not set
    CONFIG_INOTIFY=y
    CONFIG_INOTIFY_USER=y
    # CONFIG_QUOTA is not set
    CONFIG_DNOTIFY=y
    # CONFIG_AUTOFS_FS is not set
    # CONFIG_AUTOFS4_FS is not set
    # CONFIG_FUSE_FS is not set

    #
    # CD-ROM/DVD Filesystems
    #
    CONFIG_ISO9660_FS=y
    CONFIG_JOLIET=y
    # CONFIG_ZISOFS is not set
    # CONFIG_UDF_FS is not set

    #
    # DOS/FAT/NT Filesystems
    #
    CONFIG_FAT_FS=y
    CONFIG_MSDOS_FS=y
    CONFIG_VFAT_FS=y
    CONFIG_FAT_DEFAULT_CODEPAGE=437
    CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
    # CONFIG_NTFS_FS is not set

    #
    # Pseudo filesystems
    #
    CONFIG_PROC_FS=y
    CONFIG_PROC_KCORE=y
    CONFIG_PROC_SYSCTL=y
    CONFIG_SYSFS=y
    CONFIG_TMPFS=y
    # CONFIG_TMPFS_POSIX_ACL is not set
    # CONFIG_HUGETLBFS is not set
    # CONFIG_HUGETLB_PAGE is not set
    # CONFIG_CONFIGFS_FS is not set

    #
    # Layered filesystems
    #
    CONFIG_ECRYPT_FS=y
    CONFIG_UNION_FS=m
    CONFIG_UNION_FS_XATTR=y
    CONFIG_UNION_FS_DEBUG=y

    #
    # Miscellaneous filesystems
    #
    # CONFIG_ADFS_FS is not set
    # CONFIG_AFFS_FS is not set
    # CONFIG_HFS_FS is not set
    # CONFIG_HFSPLUS_FS is not set
    # CONFIG_BEFS_FS is not set
    # CONFIG_BFS_FS is not set
    # CONFIG_EFS_FS is not set
    CONFIG_JFFS2_FS=m
    CONFIG_JFFS2_FS_DEBUG=0
    CONFIG_JFFS2_FS_WRITEBUFFER=y
    # CONFIG_JFFS2_FS_WBUF_VERIFY is not set
    CONFIG_JFFS2_SUMMARY=y
    CONFIG_JFFS2_FS_XATTR=y
    CONFIG_JFFS2_FS_POSIX_ACL=y
    CONFIG_JFFS2_FS_SECURITY=y
    CONFIG_JFFS2_COMPRESSION_OPTIONS=y
    CONFIG_JFFS2_ZLIB=y
    # CONFIG_JFFS2_LZO is not set
    CONFIG_JFFS2_RTIME=y
    # CONFIG_JFFS2_RUBIN is not set
    # CONFIG_JFFS2_CMODE_NONE is not set
    CONFIG_JFFS2_CMODE_PRIORITY=y
    # CONFIG_JFFS2_CMODE_SIZE is not set
    # CONFIG_JFFS2_CMODE_FAVOURLZO is not set
    CONFIG_CRAMFS=m
    # CONFIG_VXFS_FS is not set
    # CONFIG_HPFS_FS is not set
    # CONFIG_QNX4FS_FS is not set
    # CONFIG_SYSV_FS is not set
    # CONFIG_UFS_FS is not set
    CONFIG_NETWORK_FILESYSTEMS=y
    CONFIG_NFS_FS=m
    CONFIG_NFS_V3=y
    CONFIG_NFS_V3_ACL=y
    CONFIG_NFS_V4=y
    CONFIG_NFS_DIRECTIO=y
    CONFIG_NFSD=m
    CONFIG_NFSD_V2_ACL=y
    CONFIG_NFSD_V3=y
    CONFIG_NFSD_V3_ACL=y
    CONFIG_NFSD_V4=y
    CONFIG_NFSD_TCP=y
    CONFIG_LOCKD=m
    CONFIG_LOCKD_V4=y
    CONFIG_EXPORTFS=m
    CONFIG_NFS_ACL_SUPPORT=m
    CONFIG_NFS_COMMON=y
    CONFIG_SUNRPC=m
    CONFIG_SUNRPC_GSS=m
    CONFIG_SUNRPC_BIND34=y
    CONFIG_RPCSEC_GSS_KRB5=m
    CONFIG_RPCSEC_GSS_SPKM3=m
    # CONFIG_SMB_FS is not set
    # CONFIG_CIFS is not set
    # CONFIG_NCP_FS is not set
    # CONFIG_CODA_FS is not set
    # CONFIG_AFS_FS is not set

    #
    # Partition Types
    #
    # CONFIG_PARTITION_ADVANCED is not set
    CONFIG_MSDOS_PARTITION=y
    CONFIG_NLS=y
    CONFIG_NLS_DEFAULT="iso8859-1"
    CONFIG_NLS_CODEPAGE_437=y
    # CONFIG_NLS_CODEPAGE_737 is not set
    # CONFIG_NLS_CODEPAGE_775 is not set
    # CONFIG_NLS_CODEPAGE_850 is not set
    # CONFIG_NLS_CODEPAGE_852 is not set
    # CONFIG_NLS_CODEPAGE_855 is not set
    # CONFIG_NLS_CODEPAGE_857 is not set
    # CONFIG_NLS_CODEPAGE_860 is not set
    # CONFIG_NLS_CODEPAGE_861 is not set
    # CONFIG_NLS_CODEPAGE_862 is not set
    # CONFIG_NLS_CODEPAGE_863 is not set
    # CONFIG_NLS_CODEPAGE_864 is not set
    # CONFIG_NLS_CODEPAGE_865 is not set
    # CONFIG_NLS_CODEPAGE_866 is not set
    # CONFIG_NLS_CODEPAGE_869 is not set
    # CONFIG_NLS_CODEPAGE_936 is not set
    # CONFIG_NLS_CODEPAGE_950 is not set
    # CONFIG_NLS_CODEPAGE_932 is not set
    # CONFIG_NLS_CODEPAGE_949 is not set
    # CONFIG_NLS_CODEPAGE_874 is not set
    # CONFIG_NLS_ISO8859_8 is not set
    # CONFIG_NLS_CODEPAGE_1250 is not set
    # CONFIG_NLS_CODEPAGE_1251 is not set
    CONFIG_NLS_ASCII=y
    CONFIG_NLS_ISO8859_1=y
    # CONFIG_NLS_ISO8859_2 is not set
    # CONFIG_NLS_ISO8859_3 is not set
    # CONFIG_NLS_ISO8859_4 is not set
    # CONFIG_NLS_ISO8859_5 is not set
    # CONFIG_NLS_ISO8859_6 is not set
    # CONFIG_NLS_ISO8859_7 is not set
    # CONFIG_NLS_ISO8859_9 is not set
    # CONFIG_NLS_ISO8859_13 is not set
    # CONFIG_NLS_ISO8859_14 is not set
    # CONFIG_NLS_ISO8859_15 is not set
    # CONFIG_NLS_KOI8_R is not set
    # CONFIG_NLS_KOI8_U is not set
    CONFIG_NLS_UTF8=y
    # CONFIG_DLM is not set

    #
    # Kernel hacking
    #
    CONFIG_TRACE_IRQFLAGS_SUPPORT=y
    # CONFIG_PRINTK_TIME is not set
    CONFIG_ENABLE_MUST_CHECK=y
    CONFIG_MAGIC_SYSRQ=y
    # CONFIG_UNUSED_SYMBOLS is not set
    # CONFIG_DEBUG_FS is not set
    # CONFIG_HEADERS_CHECK is not set
    CONFIG_DEBUG_KERNEL=y
    # CONFIG_DEBUG_SHIRQ is not set
    CONFIG_DETECT_SOFTLOCKUP=y
    # CONFIG_SCHED_DEBUG is not set
    # CONFIG_SCHEDSTATS is not set
    # CONFIG_TIMER_STATS is not set
    CONFIG_DEBUG_SLAB=y
    CONFIG_DEBUG_SLAB_LEAK=y
    CONFIG_DEBUG_RT_MUTEXES=y
    CONFIG_DEBUG_PI_LIST=y
    # CONFIG_RT_MUTEX_TESTER is not set
    CONFIG_DEBUG_SPINLOCK=y
    CONFIG_DEBUG_MUTEXES=y
    CONFIG_DEBUG_LOCK_ALLOC=y
    # CONFIG_PROVE_LOCKING is not set
    CONFIG_LOCKDEP=y
    # CONFIG_LOCK_STAT is not set
    # CONFIG_DEBUG_LOCKDEP is not set
    CONFIG_DEBUG_SPINLOCK_SLEEP=y
    # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
    CONFIG_STACKTRACE=y
    # CONFIG_DEBUG_KOBJECT is not set
    CONFIG_DEBUG_BUGVERBOSE=y
    CONFIG_DEBUG_INFO=y
    # CONFIG_DEBUG_VM is not set
    CONFIG_DEBUG_LIST=y
    CONFIG_FRAME_POINTER=y
    CONFIG_FORCED_INLINING=y
    # CONFIG_BOOT_PRINTK_DELAY is not set
    # CONFIG_RCU_TORTURE_TEST is not set
    # CONFIG_FAULT_INJECTION is not set
    # CONFIG_SAMPLES is not set
    CONFIG_EARLY_PRINTK=y
    CONFIG_DEBUG_STACKOVERFLOW=y
    # CONFIG_DEBUG_STACK_USAGE is not set
    CONFIG_DEBUG_PAGEALLOC=y
    # CONFIG_DEBUG_RODATA is not set
    # CONFIG_4KSTACKS is not set
    CONFIG_DOUBLEFAULT=y

    #
    # Security options
    #
    CONFIG_KEYS=y
    # CONFIG_KEYS_DEBUG_PROC_KEYS is not set
    # CONFIG_SECURITY is not set
    # CONFIG_SECURITY_FILE_CAPABILITIES is not set
    CONFIG_CRYPTO=y
    CONFIG_CRYPTO_ALGAPI=y
    CONFIG_CRYPTO_BLKCIPHER=y
    CONFIG_CRYPTO_MANAGER=y
    # CONFIG_CRYPTO_HMAC is not set
    # CONFIG_CRYPTO_XCBC is not set
    # CONFIG_CRYPTO_NULL is not set
    # CONFIG_CRYPTO_MD4 is not set
    CONFIG_CRYPTO_MD5=m
    CONFIG_CRYPTO_SHA1=y
    CONFIG_CRYPTO_SHA256=y
    # CONFIG_CRYPTO_SHA512 is not set
    # CONFIG_CRYPTO_WP512 is not set
    # CONFIG_CRYPTO_TGR192 is not set
    # CONFIG_CRYPTO_GF128MUL is not set
    CONFIG_CRYPTO_ECB=y
    CONFIG_CRYPTO_CBC=y
    CONFIG_CRYPTO_PCBC=y
    # CONFIG_CRYPTO_LRW is not set
    # CONFIG_CRYPTO_XTS is not set
    # CONFIG_CRYPTO_CRYPTD is not set
    CONFIG_CRYPTO_DES=m
    # CONFIG_CRYPTO_FCRYPT is not set
    # CONFIG_CRYPTO_BLOWFISH is not set
    # CONFIG_CRYPTO_TWOFISH is not set
    # CONFIG_CRYPTO_TWOFISH_586 is not set
    # CONFIG_CRYPTO_SERPENT is not set
    # CONFIG_CRYPTO_AES is not set
    # CONFIG_CRYPTO_AES_586 is not set
    CONFIG_CRYPTO_CAST5=m
    # CONFIG_CRYPTO_CAST6 is not set
    # CONFIG_CRYPTO_TEA is not set
    # CONFIG_CRYPTO_ARC4 is not set
    # CONFIG_CRYPTO_KHAZAD is not set
    # CONFIG_CRYPTO_ANUBIS is not set
    # CONFIG_CRYPTO_SEED is not set
    # CONFIG_CRYPTO_DEFLATE is not set
    # CONFIG_CRYPTO_MICHAEL_MIC is not set
    # CONFIG_CRYPTO_CRC32C is not set
    # CONFIG_CRYPTO_CAMELLIA is not set
    # CONFIG_CRYPTO_TEST is not set
    # CONFIG_CRYPTO_AUTHENC is not set
    # CONFIG_CRYPTO_HW is not set

    #
    # Library routines
    #
    CONFIG_BITREVERSE=y
    # CONFIG_CRC_CCITT is not set
    CONFIG_CRC16=m
    # CONFIG_CRC_ITU_T is not set
    CONFIG_CRC32=y
    # CONFIG_CRC7 is not set
    # CONFIG_LIBCRC32C is not set
    CONFIG_ZLIB_INFLATE=m
    CONFIG_ZLIB_DEFLATE=m
    CONFIG_PLIST=y
    CONFIG_HAS_IOMEM=y
    CONFIG_HAS_IOPORT=y
    CONFIG_HAS_DMA=y
    CONFIG_GENERIC_HARDIRQS=y
    CONFIG_GENERIC_IRQ_PROBE=y
    CONFIG_X86_BIOS_REBOOT=y
    CONFIG_KTIME_SCALAR=y
    -
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  8. Re: [NFS] [GIT] NFS client fixes for 2.6.23++


    On Fri, 2007-10-19 at 20:41 -0500, Olof Johansson wrote:
    > nfs: Fix build break with CONFIG_NFS_V4=n
    >
    > Signed-off-by: Olof Johansson


    Acked-by: Trond Myklebust

    .....with apologies.

    > ---
    >
    >
    > On Fri, Oct 19, 2007 at 05:23:13PM -0400, Trond Myklebust wrote:
    > > Hi Linus,
    > >
    > > Please pull from the repository at
    > >
    > > git pull git://git.linux-nfs.org/pub/linux/nfs-2.6.git
    > >
    > > This will update the following files through the appended changesets.
    > >

    > [...]
    > > @@ -522,8 +522,12 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
    > > return;
    > > list_del(&ctx->list);
    > > spin_unlock(&inode->i_lock);
    > > - if (ctx->state != NULL)
    > > - nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
    > > + if (ctx->state != NULL) {
    > > + if (wait)
    > > + nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
    > > + else
    > > + nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
    > > + }
    > > if (ctx->cred != NULL)
    > > put_rpccred(ctx->cred);
    > > dput(ctx->path.dentry);

    >
    > This gives me build errors on most PPC defconfigs, which don't enable NFSv4.
    >
    > This seems sufficient to fix it.
    >
    >
    > diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
    > index a4e3b96..b35069a 100644
    > --- a/fs/nfs/nfs4_fs.h
    > +++ b/fs/nfs/nfs4_fs.h
    > @@ -236,6 +236,7 @@ extern struct svc_version nfs4_callback_version1;
    > #else
    >
    > #define nfs4_close_state(a, b, c) do { } while (0)
    > +#define nfs4_close_sync(a, b, c) do { } while (0)
    >
    > #endif /* CONFIG_NFS_V4 */
    > #endif /* __LINUX_FS_NFS_NFS4_FS.H */
    >
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  9. Re: [NFS] [GIT] NFS client fixes for 2.6.23++


    On Fri, 2007-10-19 at 19:32 -0700, Linus Torvalds wrote:
    >
    > On Fri, 19 Oct 2007, Erez Zadok wrote:
    > >
    > > Trond, with Linus's latest tree, you need to #include in
    > > fs/nfs/unlink.c, else I get:
    > >
    > > CC [M] fs/nfs/unlink.o
    > > fs/nfs/unlink.c: In function 'nfs_dec_sillycount':
    > > fs/nfs/unlink.c:67: error: 'TASK_UNINTERRUPTIBLE' undeclared (first use in this function)

    > ...
    >
    > Hmm? Which architecture?
    >
    > That said, I do think that there is a distinct lack of proper includes in
    > that file. It seems to depend on getting much of the includes indirectly
    > from and friends. And with different architectures having
    > different header files..
    >
    > Linus


    This ought to fix it.
    ----------------------------------------------------
    From: Trond Myklebust
    Date: Sat, 20 Oct 2007 13:21:04 -0400
    NFS: Fix the include files needed by fs/nfs/unlink.c

    Signed-off-by: Trond Myklebust
    ---

    fs/nfs/unlink.c | 7 ++++++-
    1 files changed, 6 insertions(+), 1 deletions(-)

    diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
    index 6ecd46c..057e6ce 100644
    --- a/fs/nfs/unlink.c
    +++ b/fs/nfs/unlink.c
    @@ -5,9 +5,14 @@
    *
    */

    +#include
    +#include
    #include
    #include
    -#include
    +#include
    +#include
    +#include
    +#include
    #include
    #include
    #include
    -
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