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vfs: Re-introduce s_uuid in the superblock

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Gaah.  When commit be85bccaa5aa reverted the export of file system uuid
via /proc/<pid>/mountinfo, it also unintentionally removed the s_uuid
field in struct super_block.

I didn't mean to do that, since filesystems have been taught to fill it
in (and we want to keep it for future re-introduction in the mountinfo
file).

Stupid of me. This adds it back in.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-04-12 15:21:04 -07:00
parent e328f05dd6
commit 0bba01695b
1 changed files with 1 additions and 0 deletions
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include/linux/fs.h
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@ -1403,6 +1403,7 @@ struct super_block {
wait_queue_head_t s_wait_unfrozen;
char s_id[32]; /* Informational name */
u8 s_uuid[16]; /* UUID */
void *s_fs_info; /* Filesystem private info */
fmode_t s_mode;