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Code Issues Releases Wiki Activity

BKL: Remove BKL from HFS

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The BKL is only used in put_super and fill_super that are both protected by
the superblocks s_umount rw_semaphore. Therefore it is safe to remove the
BKL entirely.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Jan Blunck 2010-02-24 13:25:30 +01:00 committed by Arnd Bergmann
parent f2143c4e2e
commit 8526fb37c9
1 changed files with 2 additions and 12 deletions
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14
fs/hfs/super.c
View file

@ -20,7 +20,6 @@
#include <linux/parser.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/vfs.h>
#include "hfs_fs.h"
@ -79,15 +78,11 @@ static int hfs_sync_fs(struct super_block *sb, int wait)
*/
static void hfs_put_super(struct super_block *sb)
{
lock_kernel();
if (sb->s_dirt)
hfs_write_super(sb);
hfs_mdb_close(sb);
/* release the MDB's resources */
hfs_mdb_put(sb);
unlock_kernel();
}
/*
@ -382,13 +377,10 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
struct inode *root_inode;
int res;
lock_kernel();
sbi = kzalloc(sizeof(struct hfs_sb_info), GFP_KERNEL);
if (!sbi) {
unlock_kernel();
if (!sbi)
return -ENOMEM;
}
sb->s_fs_info = sbi;
INIT_HLIST_HEAD(&sbi->rsrc_inodes);
@ -439,7 +431,6 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_root->d_op = &hfs_dentry_operations;
/* everything's okay */
unlock_kernel();
return 0;
bail_iput:
@ -448,7 +439,6 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
printk(KERN_ERR "hfs: get root inode failed.\n");
bail:
hfs_mdb_put(sb);
unlock_kernel();
return res;
}