diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
| -rw-r--r-- | fs/cifs/cifsfs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 53e343d073bb..565a4c0d2ee9 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -754,6 +754,9 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter) ssize_t rc; struct inode *inode = file_inode(iocb->ki_filp); + if (iocb->ki_filp->f_flags & O_DIRECT) + return cifs_user_readv(iocb, iter); + rc = cifs_revalidate_mapping(inode); if (rc) return rc; @@ -768,6 +771,18 @@ static ssize_t cifs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) ssize_t written; int rc; + if (iocb->ki_filp->f_flags & O_DIRECT) { + written = cifs_user_writev(iocb, from); + if (written > 0 && CIFS_CACHE_READ(cinode)) { + cifs_zap_mapping(inode); + cifs_dbg(FYI, + "Set no oplock for inode=%p after a write operation\n", + inode); + cinode->oplock = 0; + } + return written; + } + written = cifs_get_writer(cinode); if (written) return written; |