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vfs: Export file system uuid via /proc/<pid>/mountinfo

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We add a per superblock uuid field. File systems should
update the uuid in the fill_super callback

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Aneesh Kumar K.V 2011-01-29 18:43:38 +05:30 • committed by Al Viro
parent a51571ccb8
commit 93f1c20bc8
2 changed files with 17 additions and 0 deletions
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1
include/linux/fs.h
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@ -1408,6 +1408,7 @@ 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;