diff options
| author | Steve French <sfrench@us.ibm.com> | 2013-02-18 17:34:26 +0100 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2013-02-27 23:54:18 +0100 |
| commit | 07b92d0d570c903aeef4f3b76ebbdd728bc72805 (patch) | |
| tree | 1e2fb26163ea4624e501dc3fc288341fffea2d3a /fs/cifs/file.c | |
| parent | cifs: ensure that cifs_get_root() only traverses directories (diff) | |
| download | linux-07b92d0d570c903aeef4f3b76ebbdd728bc72805.tar.xz linux-07b92d0d570c903aeef4f3b76ebbdd728bc72805.zip | |
POSIX extensions disabled on client due to illegal O_EXCL flag sent to Samba
Samba rejected libreoffice's attempt to open a file with illegal
O_EXCL (without O_CREAT). Mask this flag off (as the local
linux file system case does) for this case, so that we
don't have disable Unix Extensions unnecessarily due to
the Samba error (Samba server is also being fixed).
See https://bugzilla.samba.org/show_bug.cgi?id=9519
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@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 | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index c16d2a018ab8..8c0d85577314 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -43,6 +43,7 @@ #include "cifs_fs_sb.h" #include "fscache.h" + static inline int cifs_convert_flags(unsigned int flags) { if ((flags & O_ACCMODE) == O_RDONLY) @@ -72,10 +73,15 @@ static u32 cifs_posix_convert_flags(unsigned int flags) else if ((flags & O_ACCMODE) == O_RDWR) posix_flags = SMB_O_RDWR; - if (flags & O_CREAT) + if (flags & O_CREAT) { posix_flags |= SMB_O_CREAT; - if (flags & O_EXCL) - posix_flags |= SMB_O_EXCL; + if (flags & O_EXCL) + posix_flags |= SMB_O_EXCL; + } else if (flags & O_EXCL) + cFYI(1, "Application %s pid %d has incorrectly set O_EXCL flag" + "but not O_CREAT on file open. Ignoring O_EXCL", + current->comm, current->tgid); + if (flags & O_TRUNC) posix_flags |= SMB_O_TRUNC; /* be safe and imply O_SYNC for O_DSYNC */ |