[PATCH 07/27] BKL: Remove BKL from ext3_put_super() and ext3_remount()
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Re: [PATCH 07/27] BKL: Remove BKL from ext3_put_super() and ext3_remount()
by Jan Kara
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On Mon 02-11-09 11:04:47, Jan Blunck wrote:
> The BKL lock is protecting the remounting against a potential call to > ext3_put_super(). This could not happen, since this is protected by the > s_umount rw semaphore of struct super_block. > > Therefore I think the BKL is protecting nothing here. Yes, I'm also not aware of anything BKL would really protect. So I'm fine with removing it here. Acked-by: Jan Kara <jack@...> I can merge this patch as well if you want. Honza > > Signed-off-by: Jan Blunck <jblunck@...> > --- > fs/ext3/super.c | 8 -------- > 1 files changed, 0 insertions(+), 8 deletions(-) > > diff --git a/fs/ext3/super.c b/fs/ext3/super.c > index 4b635b7..3ddce03 100644 > --- a/fs/ext3/super.c > +++ b/fs/ext3/super.c > @@ -398,8 +398,6 @@ static void ext3_put_super (struct super_block * sb) > struct ext3_super_block *es = sbi->s_es; > int i, err; > > - lock_kernel(); > - > ext3_xattr_put_super(sb); > err = journal_destroy(sbi->s_journal); > sbi->s_journal = NULL; > @@ -448,8 +446,6 @@ static void ext3_put_super (struct super_block * sb) > sb->s_fs_info = NULL; > kfree(sbi->s_blockgroup_lock); > kfree(sbi); > - > - unlock_kernel(); > } > > static struct kmem_cache *ext3_inode_cachep; > @@ -2495,8 +2491,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) > int i; > #endif > > - lock_kernel(); > - > /* Store the original options */ > lock_super(sb); > old_sb_flags = sb->s_flags; > @@ -2607,7 +2601,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) > kfree(old_opts.s_qf_names[i]); > #endif > unlock_super(sb); > - unlock_kernel(); > return 0; > restore_opts: > sb->s_flags = old_sb_flags; > @@ -2625,7 +2618,6 @@ restore_opts: > } > #endif > unlock_super(sb); > - unlock_kernel(); > return err; > } > > -- > 1.6.4.2 > Jan Kara <jack@...> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@... More majordomo info at http://vger.kernel.org/majordomo-info.html |
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