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authorPavel Shilovsky <piastryyy@gmail.com>2010-12-12 13:11:13 +0300
committerSteve French <sfrench@us.ibm.com>2011-01-20 21:42:21 +0000
commit8be7e6ba142423e6ad98fed293c96f196f685229 (patch)
tree25bd7ce4aed4740082f0a472a8eed35127d9d61e /fs/cifs/inode.c
parentCIFS: Make cifsFileInfo_put work with strict cache mode (diff)
downloadlinux-dev-8be7e6ba142423e6ad98fed293c96f196f685229.tar.xz
linux-dev-8be7e6ba142423e6ad98fed293c96f196f685229.zip
CIFS: Implement cifs_strict_fsync
Invalidate inode mapping if we don't have at least Level II oplock in cifs_strict_fsync. Also remove filemap_write_and_wait call from cifs_fsync because it is previously called from vfs_fsync_range. Add file operations' structures for strict cache mode. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to '')
-rw-r--r--fs/cifs/inode.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 6c9ee8014ff0..8852470b4fbb 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -44,13 +44,17 @@ static void cifs_set_ops(struct inode *inode)
inode->i_fop = &cifs_file_direct_nobrl_ops;
else
inode->i_fop = &cifs_file_direct_ops;
+ } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO) {
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+ inode->i_fop = &cifs_file_strict_nobrl_ops;
+ else
+ inode->i_fop = &cifs_file_strict_ops;
} else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop = &cifs_file_nobrl_ops;
else { /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
}
-
/* check if server can support readpages */
if (cifs_sb_master_tcon(cifs_sb)->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
@@ -1679,7 +1683,7 @@ cifs_inode_needs_reval(struct inode *inode)
/*
* Zap the cache. Called when invalid_mapping flag is set.
*/
-static void
+void
cifs_invalidate_mapping(struct inode *inode)
{
int rc;