[CIFS] POSIX extensions, SetFSInfo added
Signed-off-by: Steve French@sfrench@us.ibm.com
Signed-off-by: Jeremy Allison (jra@samba.org)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index e568cc4..bef5d6f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -74,6 +74,7 @@
unsigned server_ino:1; /* use inode numbers from server ie UniqueId */
unsigned direct_io:1;
unsigned remap:1; /* set to remap seven reserved chars in filenames */
+ unsigned posix_paths:1; /* unset to not ask for posix pathnames. */
unsigned int rsize;
unsigned int wsize;
unsigned int sockopt;
@@ -745,6 +746,9 @@
/* vol->retry default is 0 (i.e. "soft" limited retry not hard retry) */
vol->rw = TRUE;
+ /* default is always to request posix paths. */
+ vol->posix_paths = 1;
+
if (!options)
return 1;
@@ -1023,6 +1027,10 @@
vol->remap = 1;
} else if (strnicmp(data, "nomapchars", 10) == 0) {
vol->remap = 0;
+ } else if (strnicmp(data, "posixpaths", 10) == 0) {
+ vol->posix_paths = 1;
+ } else if (strnicmp(data, "noposixpaths", 12) == 0) {
+ vol->posix_paths = 0;
} else if (strnicmp(data, "setuids", 7) == 0) {
vol->setuids = 1;
} else if (strnicmp(data, "nosetuids", 9) == 0) {
@@ -1679,6 +1687,7 @@
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR;
if(volume_info.no_xattr)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;
+
if(volume_info.direct_io) {
cERROR(1,("mounting share using direct i/o"));
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
@@ -1781,6 +1790,17 @@
cFYI(1,("server negotiated posix acl support"));
sb->s_flags |= MS_POSIXACL;
}
+
+ /* Try and negotiate POSIX pathnames if we can. */
+ if (volume_info.posix_paths && (CIFS_UNIX_POSIX_PATHNAMES_CAP &
+ le64_to_cpu(tcon->fsUnixInfo.Capability))) {
+ if (!CIFSSMBSETFSUnixInfo(xid, tcon, CIFS_UNIX_POSIX_PATHNAMES_CAP, 0)) {
+ cFYI(1,("negotiated posix pathnames support"));
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIX_PATHS;
+ } else {
+ cFYI(1,("posix pathnames support requested but not supported"));
+ }
+ }
}
}
}