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authorIngo Molnar <mingo@elte.hu>2011-05-12 09:36:18 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-12 09:36:18 +0200
commit9cb5baba5e3acba0994ad899ee908799104c9965 (patch)
treed5ff16000256a0bf56279926e6114b4603ede2b4 /fs/hpfs/buffer.c
parent7142d17e8f935fa842e9f6eece2281b6d41625d6 (diff)
parent693d92a1bbc9e42681c42ed190bd42b636ca876f (diff)
Merge commit 'v2.6.39-rc7' into sched/core
Diffstat (limited to 'fs/hpfs/buffer.c')
-rw-r--r--fs/hpfs/buffer.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/fs/hpfs/buffer.c b/fs/hpfs/buffer.c
index 793cb9d943d..9ecde27d1e2 100644
--- a/fs/hpfs/buffer.c
+++ b/fs/hpfs/buffer.c
@@ -9,22 +9,6 @@
#include <linux/slab.h>
#include "hpfs_fn.h"
-void hpfs_lock_creation(struct super_block *s)
-{
-#ifdef DEBUG_LOCKS
- printk("lock creation\n");
-#endif
- mutex_lock(&hpfs_sb(s)->hpfs_creation_de);
-}
-
-void hpfs_unlock_creation(struct super_block *s)
-{
-#ifdef DEBUG_LOCKS
- printk("unlock creation\n");
-#endif
- mutex_unlock(&hpfs_sb(s)->hpfs_creation_de);
-}
-
/* Map a sector into a buffer and return pointers to it and to the buffer. */
void *hpfs_map_sector(struct super_block *s, unsigned secno, struct buffer_head **bhp,
@@ -32,6 +16,8 @@ void *hpfs_map_sector(struct super_block *s, unsigned secno, struct buffer_head
{
struct buffer_head *bh;
+ hpfs_lock_assert(s);
+
cond_resched();
*bhp = bh = sb_bread(s, secno);
@@ -50,6 +36,8 @@ void *hpfs_get_sector(struct super_block *s, unsigned secno, struct buffer_head
struct buffer_head *bh;
/*return hpfs_map_sector(s, secno, bhp, 0);*/
+ hpfs_lock_assert(s);
+
cond_resched();
if ((*bhp = bh = sb_getblk(s, secno)) != NULL) {
@@ -70,6 +58,8 @@ void *hpfs_map_4sectors(struct super_block *s, unsigned secno, struct quad_buffe
struct buffer_head *bh;
char *data;
+ hpfs_lock_assert(s);
+
cond_resched();
if (secno & 3) {
@@ -125,6 +115,8 @@ void *hpfs_get_4sectors(struct super_block *s, unsigned secno,
{
cond_resched();
+ hpfs_lock_assert(s);
+
if (secno & 3) {
printk("HPFS: hpfs_get_4sectors: unaligned read\n");
return NULL;