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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/file.c | |
| parent | 4f8ba8a0c095933dd54a2c281750c8a85b329b26 (diff) | |
| download | kernel_samsung_aries-8be7e6ba142423e6ad98fed293c96f196f685229.zip kernel_samsung_aries-8be7e6ba142423e6ad98fed293c96f196f685229.tar.gz kernel_samsung_aries-8be7e6ba142423e6ad98fed293c96f196f685229.tar.bz2 | |
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/file.c')
| -rw-r--r-- | fs/cifs/file.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 1b26c27..5790fab 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1528,27 +1528,47 @@ static int cifs_write_end(struct file *file, struct address_space *mapping, return rc; } -int cifs_fsync(struct file *file, int datasync) +int cifs_strict_fsync(struct file *file, int datasync) { int xid; int rc = 0; struct cifsTconInfo *tcon; struct cifsFileInfo *smbfile = file->private_data; struct inode *inode = file->f_path.dentry->d_inode; + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); xid = GetXid(); cFYI(1, "Sync file - name: %s datasync: 0x%x", file->f_path.dentry->d_name.name, datasync); - rc = filemap_write_and_wait(inode->i_mapping); - if (rc == 0) { - struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + if (!CIFS_I(inode)->clientCanCacheRead) + cifs_invalidate_mapping(inode); - tcon = tlink_tcon(smbfile->tlink); - if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) - rc = CIFSSMBFlush(xid, tcon, smbfile->netfid); - } + tcon = tlink_tcon(smbfile->tlink); + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) + rc = CIFSSMBFlush(xid, tcon, smbfile->netfid); + + FreeXid(xid); + return rc; +} + +int cifs_fsync(struct file *file, int datasync) +{ + int xid; + int rc = 0; + struct cifsTconInfo *tcon; + struct cifsFileInfo *smbfile = file->private_data; + struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + + xid = GetXid(); + + cFYI(1, "Sync file - name: %s datasync: 0x%x", + file->f_path.dentry->d_name.name, datasync); + + tcon = tlink_tcon(smbfile->tlink); + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) + rc = CIFSSMBFlush(xid, tcon, smbfile->netfid); FreeXid(xid); return rc; |