[Ocfs2-commits] khackel commits r1385 - trunk/src

svn-commits at oss.oracle.com svn-commits at oss.oracle.com
Wed Aug 25 16:48:54 CDT 2004


Author: khackel
Date: 2004-08-25 16:48:53 -0500 (Wed, 25 Aug 2004)
New Revision: 1385

Modified:
   trunk/src/alloc.c
   trunk/src/dir.c
   trunk/src/dlm.c
   trunk/src/journal.c
   trunk/src/namei.c
Log:
callers of ocfs_acquire_lock required to provide their own bh now

Modified: trunk/src/alloc.c
===================================================================
--- trunk/src/alloc.c	2004-08-25 21:07:12 UTC (rev 1384)
+++ trunk/src/alloc.c	2004-08-25 21:48:53 UTC (rev 1385)
@@ -231,6 +231,7 @@
 	struct inode *vol_inode = NULL;
 	__u32 tmp_indx;
 	struct buffer_head *globalbh = NULL;
+	struct buffer_head *tmpbh = NULL;
 	ocfs_journal_handle *handle = NULL;
 	int credits = 33; /* one for each potential sysfile fe. This
 			   * goes away when ocfs_ugly_hack goes
@@ -363,8 +364,12 @@
 			status = ocfs_acquire_lock (osb, 
 						    OCFS_LKM_EXMODE,
 						    0,
-						    NULL,
+						    &tmpbh,
 						    inode_alloc_inode[i]);
+			if (tmpbh) {
+				brelse(tmpbh);
+				tmpbh = NULL;
+			}
 			if (status < 0) {
 				iput(inode_alloc_inode[i]);
 				inode_alloc_inode[i] = NULL;
@@ -392,8 +397,12 @@
 			status = ocfs_acquire_lock (osb, 
 						    OCFS_LKM_EXMODE,
 						    0,
-						    NULL,
+						    &tmpbh,
 						    ext_alloc_inode[i]);
+			if (tmpbh) {
+				brelse(tmpbh);
+				tmpbh = NULL;
+			}
 			if (status < 0) {
 				iput(ext_alloc_inode[i]);
 				ext_alloc_inode[i] = NULL;

Modified: trunk/src/dir.c
===================================================================
--- trunk/src/dir.c	2004-08-25 21:07:12 UTC (rev 1384)
+++ trunk/src/dir.c	2004-08-25 21:48:53 UTC (rev 1385)
@@ -73,6 +73,7 @@
 	unsigned long offset, blk;
 	int i, num, stored;
 	struct buffer_head * bh, * tmp;
+	struct buffer_head * lockbh = NULL;
 	struct ocfs2_dir_entry * de;
 	int err;
 	struct inode *inode = filp->f_dentry->d_inode;
@@ -93,7 +94,11 @@
 	down_write(&OCFS_I(inode)->ip_io_sem);
 
 	error = ocfs_acquire_lock(osb, OCFS_LKM_EXMODE,
-				  FLAG_DIR|FLAG_READONLY, NULL, inode);
+				  FLAG_DIR|FLAG_READONLY, &lockbh, inode);
+	if (lockbh) {
+		brelse(lockbh);
+		lockbh = NULL;
+	}
 	if (error < 0) {
 		if (error != -EINTR)
 			LOG_ERROR_STATUS (error);

Modified: trunk/src/dlm.c
===================================================================
--- trunk/src/dlm.c	2004-08-25 21:07:12 UTC (rev 1384)
+++ trunk/src/dlm.c	2004-08-25 21:48:53 UTC (rev 1385)
@@ -184,9 +184,6 @@
 	__u32 updated;
 	ocfs_lock_res *lockres = GET_INODE_LOCKRES(inode);
 	int k = 0;
-	struct buffer_head *tmpbh = NULL, **b = NULL;
-	/* TODO: 40 bytes of "int" sitting on the stack for now. move    */
-	/*       mutually exclusive flags into an enum and switch on them */
 	int no_owner = 0, owner_dead = 0, wait_on_recovery = 0;
 	__u32 extra_lock_flags = 0;
 	__u64 lock_id;
@@ -196,19 +193,15 @@
 
 	OCFS_ASSERT(lock_type != OCFS_LKM_NLMODE);
 	OCFS_ASSERT(inode);
+	OCFS_ASSERT(bh);
 
 	lock_id = OCFS_I(inode)->ip_blkno << inode->i_sb->s_blocksize_bits;
 	LOG_TRACE_ARGS("lock_id = %llu\n", lock_id);
 
-	if (bh != NULL)
-		b = bh;
-	else
-		b = &tmpbh;
-
 	flags |= FLAG_ACQUIRE_LOCK;
 
-	*b = sb_getblk(osb->sb, OCFS_I(inode)->ip_blkno);
-	if (*b == NULL) {
+	*bh = sb_getblk(osb->sb, OCFS_I(inode)->ip_blkno);
+	if (*bh == NULL) {
 		status = -EIO;
 		LOG_ERROR_STATUS(status);
 		goto finally;
@@ -221,7 +214,7 @@
 	LOG_TRACE_ARGS("attempting to get lock, pass: %d\n", ++k);
 
 	if (!updated) {
-		status = ocfs_update_lockres(osb, *b, 0, inode, 1, 1);
+		status = ocfs_update_lockres(osb, *bh, 0, inode, 1, 1);
 		if (status < 0) {
 			ocfs_release_lockres (lockres);
 			LOG_ERROR_STATUS (status);
@@ -361,7 +354,7 @@
 		status = -EINTR;
 		goto finally;
 	}
-	status = new_lock_function(osb, lock_type, flags|extra_lock_flags, *b, inode);
+	status = new_lock_function(osb, lock_type, flags|extra_lock_flags, *bh, inode);
 
 	if (status < 0) {
 		ocfs_release_lockres (lockres); // ocfs_acquire_lock
@@ -398,8 +391,6 @@
 	ocfs_release_lockres (lockres); // ocfs_acquire_lock
 
 finally:
-	if (tmpbh)
-		brelse(tmpbh);
 
 	LOG_EXIT_STATUS (status);
 	return status;

Modified: trunk/src/journal.c
===================================================================
--- trunk/src/journal.c	2004-08-25 21:07:12 UTC (rev 1384)
+++ trunk/src/journal.c	2004-08-25 21:48:53 UTC (rev 1385)
@@ -1592,6 +1592,7 @@
 	struct inode *orphan_dir_inode = NULL;
 	unsigned long offset, blk, local;
 	struct buffer_head *bh = NULL;
+	struct buffer_head *lockbh = NULL;
 	struct ocfs2_dir_entry *de;
 	struct super_block *sb = osb->sb;
 
@@ -1610,8 +1611,12 @@
 	status = ocfs_acquire_lock(osb, 
 				   OCFS_LKM_EXMODE,
 				   FLAG_DIR|FLAG_READONLY, 
-				   NULL, 
+				   &lockbh, 
 				   orphan_dir_inode);
+	if (lockbh) {
+		brelse(lockbh);
+		lockbh = NULL;
+	}
 	if (status < 0) {
 		LOG_ERROR_STATUS(status);
 		goto bail;

Modified: trunk/src/namei.c
===================================================================
--- trunk/src/namei.c	2004-08-25 21:07:12 UTC (rev 1384)
+++ trunk/src/namei.c	2004-08-25 21:48:53 UTC (rev 1385)
@@ -975,6 +975,7 @@
 	struct buffer_head *old_inode_de_bh = NULL; // if old_dentry is a dir,
 						    // this is the 1st dirent bh
 	nlink_t old_dir_nlink = old_dir->i_nlink, new_dir_nlink = new_dir->i_nlink;
+	struct buffer_head *lockbh = NULL;
 
 	LOG_SET_CONTEXT(RENAME);
 
@@ -1050,7 +1051,11 @@
 		oldfe_flags  = FLAG_RELEASE_DENTRY|FLAG_FILE_RENAME|FLAG_DIR;
 
 		status = ocfs_acquire_lock(osb, OCFS_LKM_EXMODE,
-					   oldfe_flags, NULL, old_inode);
+					   oldfe_flags, &lockbh, old_inode);
+		if (lockbh) {
+			brelse(lockbh);
+			lockbh = NULL;
+		}
 		if (status < 0) {
 			LOG_ERROR_STATUS(status);
 			goto finally;



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