[PATCH] protect ext2 ioctl modifying append_only immutable etc with i_mutex
Port commit a090d913 into ext2: All modifications of ->i_flags in inodes that might be visible to somebody else must be under ->i_mutex. That patch fixes ext2 ioctl() setting S_APPEND. Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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