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Diffstat (limited to 'fs/cifs/file.c')
-rw-r--r--fs/cifs/file.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 1b26c2717599..5790fab7349b 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;