diff options
| author | Steve French <smfrench@gmail.com> | 2017-09-22 01:40:27 -0500 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2018-01-01 20:51:38 +0000 |
| commit | 0b35d1a29b76aa077057a0dd5197c230bd9e4e9f (patch) | |
| tree | 815c2d56b72833903f285282133dbdc226005f0d | |
| parent | 78a0f965e563a8a98aca9c73e172c6041df3d6db (diff) | |
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: Ben Hutchings <ben@decadent.org.uk>
| -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 0ae3f55290e9..a1feb13c7590 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -225,6 +225,13 @@ 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; |