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authorAl Viro <viro@zeniv.linux.org.uk>2011-06-17 17:05:48 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-06-25 02:39:41 +0400
commit2c6292ae4be00454882246d07f38cdf15a823c2a (patch)
tree40bfa681a0f94f6df2b3f8140452f0eab7809b1c /fs/cifs/cifs_fs_sb.h
parentca171baaad1420a29cca98be5bdf5596cd70b294 (diff)
downloadlinux-2c6292ae4be00454882246d07f38cdf15a823c2a.tar.xz
cifs: don't pass superblock to cifs_mount()
To close sget() races we'll need to be able to set cifs_sb up before we get the superblock, so we'll want to be able to do cifs_mount() earlier. Fortunately, it's easy to do - setting ->s_maxbytes can be done in cifs_read_super(), ditto for ->s_time_gran and as for putting MS_POSIXACL into ->s_flags, we can mirror it in ->mnt_cifs_flags until cifs_read_super() is called. Kill unused 'devname' argument, while we are at it... Acked-by: Pavel Shilovsky <piastryyy@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/cifs/cifs_fs_sb.h')
-rw-r--r--fs/cifs/cifs_fs_sb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h
index ffb1459dc6ec..7260e11e21f8 100644
--- a/fs/cifs/cifs_fs_sb.h
+++ b/fs/cifs/cifs_fs_sb.h
@@ -42,6 +42,7 @@
#define CIFS_MOUNT_MULTIUSER 0x20000 /* multiuser mount */
#define CIFS_MOUNT_STRICT_IO 0x40000 /* strict cache mode */
#define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */
+#define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of MS_POSIXACL in mnt_cifs_flags */
struct cifs_sb_info {
struct rb_root tlink_tree;