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| author | Vasiliy Kulikov <segoon@openwall.com> | 2012-04-05 23:25:04 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-06 00:25:50 +0200 |
| commit | 99663be772c827b8f5f594fe87eb4807be1994e5 (patch) | |
| tree | f1adffce3f6d10a90f5be8b86b96729ce8c5d23c /fs/bfs/dir.c | |
| parent | pagemap: remove remaining unneeded spin_lock() (diff) | |
| download | linux-99663be772c827b8f5f594fe87eb4807be1994e5.tar.xz linux-99663be772c827b8f5f594fe87eb4807be1994e5.zip | |
proc: fix mount -t proc -o AAA
The proc_parse_options() call from proc_mount() runs only once at boot
time. So on any later mount attempt, any mount options are ignored
because ->s_root is already initialized.
As a consequence, "mount -o <options>" will ignore the options. The
only way to change mount options is "mount -o remount,<options>".
To fix this, parse the mount options unconditionally.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Reported-by: Arkadiusz Miskiewicz <a.miskiewicz@gmail.com>
Tested-by: Arkadiusz Miskiewicz <a.miskiewicz@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/bfs/dir.c')
0 files changed, 0 insertions, 0 deletions