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JFS: semaphore to mutex conversion.

the conversion was generated via scripts, and the result was validated
automatically via a script as well.

build and boot tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
master
Ingo Molnar 16 years ago
committed by Dave Kleikamp
parent
commit
1de87444f8
  1. 4
      fs/jfs/acl.c
  2. 14
      fs/jfs/inode.c
  3. 6
      fs/jfs/jfs_dmap.c
  4. 2
      fs/jfs/jfs_dmap.h
  5. 20
      fs/jfs/jfs_extent.c
  6. 22
      fs/jfs/jfs_imap.c
  7. 4
      fs/jfs/jfs_imap.h
  8. 5
      fs/jfs/jfs_incore.h
  9. 1
      fs/jfs/jfs_lock.h
  10. 6
      fs/jfs/jfs_logmgr.c
  11. 2
      fs/jfs/jfs_logmgr.h
  12. 10
      fs/jfs/jfs_txnmgr.c
  13. 98
      fs/jfs/namei.c
  14. 2
      fs/jfs/super.c
  15. 8
      fs/jfs/xattr.c

4
fs/jfs/acl.c

@ -207,12 +207,12 @@ static int jfs_acl_chmod(struct inode *inode)
rc = posix_acl_chmod_masq(clone, inode->i_mode);
if (!rc) {
tid_t tid = txBegin(inode->i_sb, 0);
down(&JFS_IP(inode)->commit_sem);
mutex_lock(&JFS_IP(inode)->commit_mutex);
rc = jfs_set_acl(tid, inode, ACL_TYPE_ACCESS, clone);
if (!rc)
rc = txCommit(tid, 1, &inode, 0);
txEnd(tid);
up(&JFS_IP(inode)->commit_sem);
mutex_unlock(&JFS_IP(inode)->commit_mutex);
}
posix_acl_release(clone);

14
fs/jfs/inode.c

@ -89,16 +89,16 @@ int jfs_commit_inode(struct inode *inode, int wait)
}
tid = txBegin(inode->i_sb, COMMIT_INODE);
down(&JFS_IP(inode)->commit_sem);
mutex_lock(&JFS_IP(inode)->commit_mutex);
/*
* Retest inode state after taking commit_sem
* Retest inode state after taking commit_mutex
*/
if (inode->i_nlink && test_cflag(COMMIT_Dirty, inode))
rc = txCommit(tid, 1, &inode, wait ? COMMIT_SYNC : 0);
txEnd(tid);
up(&JFS_IP(inode)->commit_sem);
mutex_unlock(&JFS_IP(inode)->commit_mutex);
return rc;
}
@ -335,18 +335,18 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
tid = txBegin(ip->i_sb, 0);
/*
* The commit_sem cannot be taken before txBegin.
* The commit_mutex cannot be taken before txBegin.
* txBegin may block and there is a chance the inode
* could be marked dirty and need to be committed
* before txBegin unblocks
*/
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(ip)->commit_mutex);
newsize = xtTruncate(tid, ip, length,
COMMIT_TRUNCATE | COMMIT_PWMAP);
if (newsize < 0) {
txEnd(tid);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
break;
}
@ -355,7 +355,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
txCommit(tid, 1, &ip, 0);
txEnd(tid);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
} while (newsize > length); /* Truncate isn't always atomic */
}

6
fs/jfs/jfs_dmap.c

@ -64,9 +64,9 @@
* to the persistent bitmaps in dmaps) is guarded by (busy) buffers.
*/
#define BMAP_LOCK_INIT(bmp) init_MUTEX(&bmp->db_bmaplock)
#define BMAP_LOCK(bmp) down(&bmp->db_bmaplock)
#define BMAP_UNLOCK(bmp) up(&bmp->db_bmaplock)
#define BMAP_LOCK_INIT(bmp) mutex_init(&bmp->db_bmaplock)
#define BMAP_LOCK(bmp) mutex_lock(&bmp->db_bmaplock)
#define BMAP_UNLOCK(bmp) mutex_unlock(&bmp->db_bmaplock)
/*
* forward references

2
fs/jfs/jfs_dmap.h

@ -243,7 +243,7 @@ struct dbmap {
struct bmap {
struct dbmap db_bmap; /* on-disk aggregate map descriptor */
struct inode *db_ipbmap; /* ptr to aggregate map incore inode */
struct semaphore db_bmaplock; /* aggregate map lock */
struct mutex db_bmaplock; /* aggregate map lock */
atomic_t db_active[MAXAG]; /* count of active, open files in AG */
u32 *db_DBmap;
};

20
fs/jfs/jfs_extent.c

@ -94,7 +94,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, boolean_t abnr)
txBeginAnon(ip->i_sb);
/* Avoid race with jfs_commit_inode() */
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(ip)->commit_mutex);
/* validate extent length */
if (xlen > MAXXLEN)
@ -136,14 +136,14 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, boolean_t abnr)
*/
nxlen = xlen;
if ((rc = extBalloc(ip, hint ? hint : INOHINT(ip), &nxlen, &nxaddr))) {
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
return (rc);
}
/* Allocate blocks to quota. */
if (DQUOT_ALLOC_BLOCK(ip, nxlen)) {
dbFree(ip, nxaddr, (s64) nxlen);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
return -EDQUOT;
}
@ -165,7 +165,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, boolean_t abnr)
if (rc) {
dbFree(ip, nxaddr, nxlen);
DQUOT_FREE_BLOCK(ip, nxlen);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
return (rc);
}
@ -177,7 +177,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, boolean_t abnr)
mark_inode_dirty(ip);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
/*
* COMMIT_SyncList flags an anonymous tlock on page that is on
* sync list.
@ -222,7 +222,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, boolean_t abnr)
/* This blocks if we are low on resources */
txBeginAnon(ip->i_sb);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(ip)->commit_mutex);
/* validate extent length */
if (nxlen > MAXXLEN)
nxlen = MAXXLEN;
@ -258,7 +258,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, boolean_t abnr)
/* Allocat blocks to quota. */
if (DQUOT_ALLOC_BLOCK(ip, nxlen)) {
dbFree(ip, nxaddr, (s64) nxlen);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
return -EDQUOT;
}
@ -338,7 +338,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, boolean_t abnr)
mark_inode_dirty(ip);
exit:
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
return (rc);
}
#endif /* _NOTYET */
@ -439,12 +439,12 @@ int extRecord(struct inode *ip, xad_t * xp)
txBeginAnon(ip->i_sb);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(ip)->commit_mutex);
/* update the extent */
rc = xtUpdate(0, ip, xp);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
return rc;
}

22
fs/jfs/jfs_imap.c

@ -66,14 +66,14 @@ static HLIST_HEAD(aggregate_hash);
* imap locks
*/
/* iag free list lock */
#define IAGFREE_LOCK_INIT(imap) init_MUTEX(&imap->im_freelock)
#define IAGFREE_LOCK(imap) down(&imap->im_freelock)
#define IAGFREE_UNLOCK(imap) up(&imap->im_freelock)
#define IAGFREE_LOCK_INIT(imap) mutex_init(&imap->im_freelock)
#define IAGFREE_LOCK(imap) mutex_lock(&imap->im_freelock)
#define IAGFREE_UNLOCK(imap) mutex_unlock(&imap->im_freelock)
/* per ag iag list locks */
#define AG_LOCK_INIT(imap,index) init_MUTEX(&(imap->im_aglock[index]))
#define AG_LOCK(imap,agno) down(&imap->im_aglock[agno])
#define AG_UNLOCK(imap,agno) up(&imap->im_aglock[agno])
#define AG_LOCK_INIT(imap,index) mutex_init(&(imap->im_aglock[index]))
#define AG_LOCK(imap,agno) mutex_lock(&imap->im_aglock[agno])
#define AG_UNLOCK(imap,agno) mutex_unlock(&imap->im_aglock[agno])
/*
* forward references
@ -1261,7 +1261,7 @@ int diFree(struct inode *ip)
* to be freed by the transaction;
*/
tid = txBegin(ipimap->i_sb, COMMIT_FORCE);
down(&JFS_IP(ipimap)->commit_sem);
mutex_lock(&JFS_IP(ipimap)->commit_mutex);
/* acquire tlock of the iag page of the freed ixad
* to force the page NOHOMEOK (even though no data is
@ -1294,7 +1294,7 @@ int diFree(struct inode *ip)
rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
txEnd(tid);
up(&JFS_IP(ipimap)->commit_sem);
mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
/* unlock the AG inode map information */
AG_UNLOCK(imap, agno);
@ -2554,13 +2554,13 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
* addressing structure pointing to the new iag page;
*/
tid = txBegin(sb, COMMIT_FORCE);
down(&JFS_IP(ipimap)->commit_sem);
mutex_lock(&JFS_IP(ipimap)->commit_mutex);
/* update the inode map addressing structure to point to it */
if ((rc =
xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) {
txEnd(tid);
up(&JFS_IP(ipimap)->commit_sem);
mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
/* Free the blocks allocated for the iag since it was
* not successfully added to the inode map
*/
@ -2626,7 +2626,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
txEnd(tid);
up(&JFS_IP(ipimap)->commit_sem);
mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
duplicateIXtree(sb, blkno, xlen, &xaddr);

4
fs/jfs/jfs_imap.h

@ -140,8 +140,8 @@ struct dinomap {
struct inomap {
struct dinomap im_imap; /* 4096: inode allocation control */
struct inode *im_ipimap; /* 4: ptr to inode for imap */
struct semaphore im_freelock; /* 4: iag free list lock */
struct semaphore im_aglock[MAXAG]; /* 512: per AG locks */
struct mutex im_freelock; /* 4: iag free list lock */
struct mutex im_aglock[MAXAG]; /* 512: per AG locks */
u32 *im_DBGdimap;
atomic_t im_numinos; /* num of backed inodes */
atomic_t im_numfree; /* num of free backed inodes */

5
fs/jfs/jfs_incore.h

@ -19,6 +19,7 @@
#ifndef _H_JFS_INCORE
#define _H_JFS_INCORE
#include <linux/mutex.h>
#include <linux/rwsem.h>
#include <linux/slab.h>
#include <linux/bitops.h>
@ -62,12 +63,12 @@ struct jfs_inode_info {
*/
struct rw_semaphore rdwrlock;
/*
* commit_sem serializes transaction processing on an inode.
* commit_mutex serializes transaction processing on an inode.
* It must be taken after beginning a transaction (txBegin), since
* dirty inodes may be committed while a new transaction on the
* inode is blocked in txBegin or TxBeginAnon
*/
struct semaphore commit_sem;
struct mutex commit_mutex;
/* xattr_sem allows us to access the xattrs without taking i_mutex */
struct rw_semaphore xattr_sem;
lid_t xtlid; /* lid of xtree lock on directory */

1
fs/jfs/jfs_lock.h

@ -20,6 +20,7 @@
#define _H_JFS_LOCK
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/sched.h>
/*

6
fs/jfs/jfs_logmgr.c

@ -87,9 +87,9 @@ DECLARE_WAIT_QUEUE_HEAD(jfs_IO_thread_wait);
/*
* log read/write serialization (per log)
*/
#define LOG_LOCK_INIT(log) init_MUTEX(&(log)->loglock)
#define LOG_LOCK(log) down(&((log)->loglock))
#define LOG_UNLOCK(log) up(&((log)->loglock))
#define LOG_LOCK_INIT(log) mutex_init(&(log)->loglock)
#define LOG_LOCK(log) mutex_lock(&((log)->loglock))
#define LOG_UNLOCK(log) mutex_unlock(&((log)->loglock))
/*

2
fs/jfs/jfs_logmgr.h

@ -389,7 +389,7 @@ struct jfs_log {
int eor; /* 4: eor of last record in eol page */
struct lbuf *bp; /* 4: current log page buffer */
struct semaphore loglock; /* 4: log write serialization lock */
struct mutex loglock; /* 4: log write serialization lock */
/* syncpt */
int nextsync; /* 4: bytes to write before next syncpt */

10
fs/jfs/jfs_txnmgr.c

@ -2876,10 +2876,10 @@ restart:
*/
TXN_UNLOCK();
tid = txBegin(ip->i_sb, COMMIT_INODE | COMMIT_FORCE);
down(&jfs_ip->commit_sem);
mutex_lock(&jfs_ip->commit_mutex);
txCommit(tid, 1, &ip, 0);
txEnd(tid);
up(&jfs_ip->commit_sem);
mutex_unlock(&jfs_ip->commit_mutex);
/*
* Just to be safe. I don't know how
* long we can run without blocking
@ -2952,7 +2952,7 @@ int jfs_sync(void *arg)
* Inode is being freed
*/
list_del_init(&jfs_ip->anon_inode_list);
} else if (! down_trylock(&jfs_ip->commit_sem)) {
} else if (! !mutex_trylock(&jfs_ip->commit_mutex)) {
/*
* inode will be removed from anonymous list
* when it is committed
@ -2961,7 +2961,7 @@ int jfs_sync(void *arg)
tid = txBegin(ip->i_sb, COMMIT_INODE);
rc = txCommit(tid, 1, &ip, 0);
txEnd(tid);
up(&jfs_ip->commit_sem);
mutex_unlock(&jfs_ip->commit_mutex);
iput(ip);
/*
@ -2971,7 +2971,7 @@ int jfs_sync(void *arg)
cond_resched();
TXN_LOCK();
} else {
/* We can't get the commit semaphore. It may
/* We can't get the commit mutex. It may
* be held by a thread waiting for tlock's
* so let's not block here. Save it to
* put back on the anon_list.

98
fs/jfs/namei.c

@ -104,8 +104,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
tid = txBegin(dip->i_sb, 0);
down(&JFS_IP(dip)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dip)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
rc = jfs_init_acl(tid, ip, dip);
if (rc)
@ -165,8 +165,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
out3:
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
@ -238,8 +238,8 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
tid = txBegin(dip->i_sb, 0);
down(&JFS_IP(dip)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dip)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
rc = jfs_init_acl(tid, ip, dip);
if (rc)
@ -300,8 +300,8 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
out3:
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
@ -365,8 +365,8 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
tid = txBegin(dip->i_sb, 0);
down(&JFS_IP(dip)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dip)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
iplist[0] = dip;
iplist[1] = ip;
@ -384,8 +384,8 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
if (rc == -EIO)
txAbort(tid, 1);
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
goto out2;
}
@ -422,8 +422,8 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
/*
* Truncating the directory index table is not guaranteed. It
@ -488,8 +488,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
tid = txBegin(dip->i_sb, 0);
down(&JFS_IP(dip)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dip)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
iplist[0] = dip;
iplist[1] = ip;
@ -503,8 +503,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
if (rc == -EIO)
txAbort(tid, 1); /* Marks FS Dirty */
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
IWRITE_UNLOCK(ip);
goto out1;
}
@ -527,8 +527,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
if ((new_size = commitZeroLink(tid, ip)) < 0) {
txAbort(tid, 1); /* Marks FS Dirty */
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
IWRITE_UNLOCK(ip);
rc = new_size;
goto out1;
@ -556,13 +556,13 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
while (new_size && (rc == 0)) {
tid = txBegin(dip->i_sb, 0);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(ip)->commit_mutex);
new_size = xtTruncate_pmap(tid, ip, new_size);
if (new_size < 0) {
txAbort(tid, 1); /* Marks FS Dirty */
@ -570,7 +570,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
} else
rc = txCommit(tid, 2, &iplist[0], COMMIT_SYNC);
txEnd(tid);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
}
if (ip->i_nlink == 0)
@ -805,8 +805,8 @@ static int jfs_link(struct dentry *old_dentry,
tid = txBegin(ip->i_sb, 0);
down(&JFS_IP(dir)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dir)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
/*
* scan parent directory for entry/freespace
@ -847,8 +847,8 @@ static int jfs_link(struct dentry *old_dentry,
out:
txEnd(tid);
up(&JFS_IP(dir)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dir)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
jfs_info("jfs_link: rc:%d", rc);
return rc;
@ -916,8 +916,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
tid = txBegin(dip->i_sb, 0);
down(&JFS_IP(dip)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dip)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
rc = jfs_init_security(tid, ip, dip);
if (rc)
@ -1037,8 +1037,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
out3:
txEnd(tid);
up(&JFS_IP(dip)->commit_sem);
up(&JFS_IP(ip)->commit_sem);
mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
@ -1141,13 +1141,13 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
*/
tid = txBegin(new_dir->i_sb, 0);
down(&JFS_IP(new_dir)->commit_sem);
down(&JFS_IP(old_ip)->commit_sem);
mutex_lock(&JFS_IP(new_dir)->commit_mutex);
mutex_lock(&JFS_IP(old_ip)->commit_mutex);
if (old_dir != new_dir)
down(&JFS_IP(old_dir)->commit_sem);
mutex_lock(&JFS_IP(old_dir)->commit_mutex);
if (new_ip) {
down(&JFS_IP(new_ip)->commit_sem);
mutex_lock(&JFS_IP(new_ip)->commit_mutex);
/*
* Change existing directory entry to new inode number
*/
@ -1160,10 +1160,10 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (S_ISDIR(new_ip->i_mode)) {
new_ip->i_nlink--;
if (new_ip->i_nlink) {
up(&JFS_IP(new_dir)->commit_sem);
up(&JFS_IP(old_ip)->commit_sem);
mutex_unlock(&JFS_IP(new_dir)->commit_mutex);
mutex_unlock(&JFS_IP(old_ip)->commit_mutex);
if (old_dir != new_dir)
up(&JFS_IP(old_dir)->commit_sem);
mutex_unlock(&JFS_IP(old_dir)->commit_mutex);
if (!S_ISDIR(old_ip->i_mode) && new_ip)
IWRITE_UNLOCK(new_ip);
jfs_error(new_ip->i_sb,
@ -1282,16 +1282,16 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
out4:
txEnd(tid);
up(&JFS_IP(new_dir)->commit_sem);
up(&JFS_IP(old_ip)->commit_sem);
mutex_unlock(&JFS_IP(new_dir)->commit_mutex);
mutex_unlock(&JFS_IP(old_ip)->commit_mutex);
if (old_dir != new_dir)
up(&JFS_IP(old_dir)->commit_sem);
mutex_unlock(&JFS_IP(old_dir)->commit_mutex);
if (new_ip)
up(&JFS_IP(new_ip)->commit_sem);
mutex_unlock(&JFS_IP(new_ip)->commit_mutex);
while (new_size && (rc == 0)) {
tid = txBegin(new_ip->i_sb, 0);
down(&JFS_IP(new_ip)->commit_sem);
mutex_lock(&JFS_IP(new_ip)->commit_mutex);
new_size = xtTruncate_pmap(tid, new_ip, new_size);
if (new_size < 0) {
txAbort(tid, 1);
@ -1299,7 +1299,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
} else
rc = txCommit(tid, 1, &new_ip, COMMIT_SYNC);
txEnd(tid);
up(&JFS_IP(new_ip)->commit_sem);
mutex_unlock(&JFS_IP(new_ip)->commit_mutex);
}
if (new_ip && (new_ip->i_nlink == 0))
set_cflag(COMMIT_Nolink, new_ip);
@ -1361,8 +1361,8 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
tid = txBegin(dir->i_sb, 0);
down(&JFS_IP(dir)->commit_sem);
down(&JFS_IP(ip)->commit_sem);
mutex_lock(&JFS_IP(dir)->commit_mutex);
mutex_lock(&JFS_IP(ip)->commit_mutex);
rc = jfs_init_acl(tid, ip, dir);
if (rc)
@ -1407,8 +1407,8 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
out3:
txEnd(tid);
up(&JFS_IP(ip)->commit_sem);
up(&JFS_IP(dir)->commit_sem);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
mutex_unlock(&JFS_IP(dir)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;

2
fs/jfs/super.c

@ -617,7 +617,7 @@ static void init_once(void *foo, kmem_cache_t * cachep, unsigned long flags)
memset(jfs_ip, 0, sizeof(struct jfs_inode_info));
INIT_LIST_HEAD(&jfs_ip->anon_inode_list);
init_rwsem(&jfs_ip->rdwrlock);
init_MUTEX(&jfs_ip->commit_sem);
mutex_init(&jfs_ip->commit_mutex);
init_rwsem(&jfs_ip->xattr_sem);
spin_lock_init(&jfs_ip->ag_lock);
jfs_ip->active_ag = -1;

8
fs/jfs/xattr.c

@ -934,13 +934,13 @@ int jfs_setxattr(struct dentry *dentry, const char *name, const void *value,
}
tid = txBegin(inode->i_sb, 0);
down(&ji->commit_sem);
mutex_lock(&ji->commit_mutex);
rc = __jfs_setxattr(tid, dentry->d_inode, name, value, value_len,
flags);
if (!rc)
rc = txCommit(tid, 1, &inode, 0);
txEnd(tid);
up(&ji->commit_sem);
mutex_unlock(&ji->commit_mutex);
return rc;
}
@ -1093,12 +1093,12 @@ int jfs_removexattr(struct dentry *dentry, const char *name)
return rc;
tid = txBegin(inode->i_sb, 0);
down(&ji->commit_sem);
mutex_lock(&ji->commit_mutex);
rc = __jfs_setxattr(tid, dentry->d_inode, name, NULL, 0, XATTR_REPLACE);
if (!rc)
rc = txCommit(tid, 1, &inode, 0);
txEnd(tid);
up(&ji->commit_sem);
mutex_unlock(&ji->commit_mutex);
return rc;
}

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