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| author | Theodore Ts'o <tytso@mit.edu> | 2009-04-25 22:53:39 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-04-25 22:53:39 -0400 |
| commit | 32ed5058ce90024efcd811254b4b1de0468099df (patch) | |
| tree | 0054cc5c385b4ba02abd95a761ccb01b453ba05f /fs/ext4/super.c | |
| parent | 3b9d4ed26680771295d904a6b83e88e620780893 (diff) | |
ext4: Replace lock/unlock_super() with an explicit lock for resizing
Use a separate lock to protect s_groups_count and the other block
group descriptors which get changed via an on-line resize operation,
so we can stop overloading the use of lock_super().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 7f43fde9554..1fbf0906ae2 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2646,6 +2646,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) #endif INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */ mutex_init(&sbi->s_orphan_lock); + mutex_init(&sbi->s_resize_lock); sb->s_root = NULL; |