lkml.org 
[lkml]   [2010]   [May]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH -V9 6/9] ext4: Copy fs UUID to superblock
Date
This enables userspace application to find the file system
UUID using sys_name_to_handle_at syscall

Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/ext4/super.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e14d22c..02ba21b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2828,6 +2828,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sb->s_qcop = &ext4_qctl_operations;
sb->dq_op = &ext4_quota_operations;
#endif
+ memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
+
INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */
mutex_init(&sbi->s_orphan_lock);
mutex_init(&sbi->s_resize_lock);
--
1.7.1.78.g212f0


\
 
 \ /
  Last update: 2010-05-18 14:03    [from the cache]
©2003-2011 Jasper Spaans