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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-06-22 17:16:30 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-06-22 16:07:37 -0400 |
| commit | 7d52e86274e09fce8ac8f963e3605a84d0a305a7 (patch) | |
| tree | b9ecc05bbdff94aa344f39b53756bfddbd9db123 /fs/nfs/file.c | |
| parent | 951a143b3fcf15cfa9d38250b7462f821db241db (diff) | |
| download | linux-3.10-7d52e86274e09fce8ac8f963e3605a84d0a305a7.tar.gz linux-3.10-7d52e86274e09fce8ac8f963e3605a84d0a305a7.tar.bz2 linux-3.10-7d52e86274e09fce8ac8f963e3605a84d0a305a7.zip | |
[PATCH] NFS: Cleanup of caching code, and slight optimization of writes.
Unless we're doing O_APPEND writes, we really don't care about revalidating
the file length. Just make sure that we catch any page cache invalidations.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/file.c')
| -rw-r--r-- | fs/nfs/file.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index a606708264e..40436857ed4 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -333,9 +333,15 @@ nfs_file_write(struct kiocb *iocb, const char __user *buf, size_t count, loff_t result = -EBUSY; if (IS_SWAPFILE(inode)) goto out_swapfile; - result = nfs_revalidate_inode(NFS_SERVER(inode), inode); - if (result) - goto out; + /* + * O_APPEND implies that we must revalidate the file length. + */ + if (iocb->ki_filp->f_flags & O_APPEND) { + result = nfs_revalidate_file_size(inode, iocb->ki_filp); + if (result) + goto out; + } else + nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping); result = count; if (!count) |