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| author | Pavel Shilovsky <piastryyy@gmail.com> | 2010-12-12 13:11:13 +0300 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2011-01-20 21:42:21 +0000 |
| commit | 8be7e6ba142423e6ad98fed293c96f196f685229 (patch) | |
| tree | 25bd7ce4aed4740082f0a472a8eed35127d9d61e /fs/cifs/inode.c | |
| parent | 4f8ba8a0c095933dd54a2c281750c8a85b329b26 (diff) | |
| download | lwn-8be7e6ba142423e6ad98fed293c96f196f685229.tar.gz lwn-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 'fs/cifs/inode.c')
| -rw-r--r-- | fs/cifs/inode.c | 8 |
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; |