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JFS: semaphore to mutex conversion.

Browse Source 
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>
This commit is contained in:
Ingo Molnar 2006-01-24 15:22:50 -06:00 committed by Dave Kleikamp
parent 0a0fc0ddbe
commit 1de87444f8
15 changed files with 103 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/jfs/acl.c
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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
View File

@ -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;
}