X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fjfs%2Finode.c;h=ea8d961686004cc6b0227ad9efcd791e554c1f05;hb=refs%2Fheads%2Fvserver;hp=3df78573b424c9dc772a745203b254bd035baa7c;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 3df78573b..ea8d96168 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -4,16 +4,16 @@
  *
  *   This program is free software;  you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or 
+ *   the Free Software Foundation; either version 2 of the License, or
  *   (at your option) any later version.
- * 
+ *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  *   the GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
- *   along with this program;  if not, write to the Free Software 
+ *   along with this program;  if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
@@ -34,7 +34,7 @@
 
 void jfs_read_inode(struct inode *inode)
 {
-	if (diRead(inode)) { 
+	if (diRead(inode)) {
 		make_bad_inode(inode);
 		return;
 	}
@@ -56,6 +56,7 @@ void jfs_read_inode(struct inode *inode)
 		inode->i_op = &jfs_file_inode_operations;
 		init_special_inode(inode, inode->i_mode, inode->i_rdev);
 	}
+	jfs_set_inode_flags(inode);
 }
 
 /*
@@ -90,16 +91,16 @@ 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;
 }
 
@@ -169,16 +170,15 @@ void jfs_dirty_inode(struct inode *inode)
 	set_cflag(COMMIT_Dirty, inode);
 }
 
-static int
-jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
-			struct buffer_head *bh_result, int create)
+int jfs_get_block(struct inode *ip, sector_t lblock,
+		  struct buffer_head *bh_result, int create)
 {
 	s64 lblock64 = lblock;
 	int rc = 0;
 	xad_t xad;
 	s64 xaddr;
 	int xflag;
-	s32 xlen = max_blocks;
+	s32 xlen = bh_result->b_size >> ip->i_blkbits;
 
 	/*
 	 * Take appropriate lock on inode
@@ -189,7 +189,7 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
 		IREAD_LOCK(ip);
 
 	if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) &&
-	    (!xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)) &&
+	    (!xtLookup(ip, lblock64, xlen, &xflag, &xaddr, &xlen, 0)) &&
 	    xaddr) {
 		if (xflag & XAD_NOTRECORDED) {
 			if (!create)
@@ -229,7 +229,7 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
 #ifdef _JFS_4K
 	if ((rc = extHint(ip, lblock64 << ip->i_sb->s_blocksize_bits, &xad)))
 		goto unlock;
-	rc = extAlloc(ip, xlen, lblock64, &xad, FALSE);
+	rc = extAlloc(ip, xlen, lblock64, &xad, false);
 	if (rc)
 		goto unlock;
 
@@ -256,12 +256,6 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
 	return rc;
 }
 
-static int jfs_get_block(struct inode *ip, sector_t lblock,
-			 struct buffer_head *bh_result, int create)
-{
-	return jfs_get_blocks(ip, lblock, 1, bh_result, create);
-}
-
 static int jfs_writepage(struct page *page, struct writeback_control *wbc)
 {
 	return nobh_writepage(page, jfs_get_block, wbc);
@@ -302,10 +296,10 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
 	struct inode *inode = file->f_mapping->host;
 
 	return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
-				offset, nr_segs, jfs_get_blocks, NULL);
+				offset, nr_segs, jfs_get_block, NULL);
 }
 
-struct address_space_operations jfs_aops = {
+const struct address_space_operations jfs_aops = {
 	.readpage	= jfs_readpage,
 	.readpages	= jfs_readpages,
 	.writepage	= jfs_writepage,
@@ -337,18 +331,18 @@ 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;
 		}
 
@@ -357,7 +351,7 @@ 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 */
 }