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| author | Steve French <smfrench@gmail.com> | 2017-09-22 09:40:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-05 10:41:45 +0300 |
| commit | 3bb7084cc031ff8c1cdbb1c50cbe3e1940eab268 (patch) | |
| tree | 8dc3d9c4e9e44147fde9f4bf8f8d264357e3e36d | |
| parent | 02ef29f9cbb616bf41900c427830dc8bf3f52d99 (diff) | |
| download | linux-3bb7084cc031ff8c1cdbb1c50cbe3e1940eab268.tar.xz | |
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
commit 1013e760d10e614dc10b5624ce9fc41563ba2e65 upstream.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/cifs/file.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index a0c0a49b6620..ec2d07bb9beb 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -224,6 +224,13 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; + /* O_SYNC also has bit for O_DSYNC so following check picks up either */ + if (f_flags & O_SYNC) + create_options |= CREATE_WRITE_THROUGH; + + if (f_flags & O_DIRECT) + create_options |= CREATE_NO_BUFFER; + oparms.tcon = tcon; oparms.cifs_sb = cifs_sb; oparms.desired_access = desired_access; |