X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fhfs%2Fextent.c;h=2c16316d291794a875b5afc36908829cfe1f5ce5;hb=12219aea6b944e36795267be31d43f9c484841be;hp=5ea6b3d45eaa608f9ab38887de18ccb8477dacc2;hpb=ef88b7dba2b47c70037a34a599d383462bb74bd3;p=linux-2.6-omap-h63xx.git

diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c
index 5ea6b3d45ea..2c16316d291 100644
--- a/fs/hfs/extent.c
+++ b/fs/hfs/extent.c
@@ -343,16 +343,16 @@ int hfs_get_block(struct inode *inode, sector_t block,
 		goto done;
 	}
 
-	down(&HFS_I(inode)->extents_lock);
+	mutex_lock(&HFS_I(inode)->extents_lock);
 	res = hfs_ext_read_extent(inode, ablock);
 	if (!res)
 		dblock = hfs_ext_find_block(HFS_I(inode)->cached_extents,
 					    ablock - HFS_I(inode)->cached_start);
 	else {
-		up(&HFS_I(inode)->extents_lock);
+		mutex_unlock(&HFS_I(inode)->extents_lock);
 		return -EIO;
 	}
-	up(&HFS_I(inode)->extents_lock);
+	mutex_unlock(&HFS_I(inode)->extents_lock);
 
 done:
 	map_bh(bh_result, sb, HFS_SB(sb)->fs_start +
@@ -375,7 +375,7 @@ int hfs_extend_file(struct inode *inode)
 	u32 start, len, goal;
 	int res;
 
-	down(&HFS_I(inode)->extents_lock);
+	mutex_lock(&HFS_I(inode)->extents_lock);
 	if (HFS_I(inode)->alloc_blocks == HFS_I(inode)->first_blocks)
 		goal = hfs_ext_lastblock(HFS_I(inode)->first_extents);
 	else {
@@ -425,7 +425,7 @@ int hfs_extend_file(struct inode *inode)
 			goto insert_extent;
 	}
 out:
-	up(&HFS_I(inode)->extents_lock);
+	mutex_unlock(&HFS_I(inode)->extents_lock);
 	if (!res) {
 		HFS_I(inode)->alloc_blocks += len;
 		mark_inode_dirty(inode);
@@ -464,23 +464,20 @@ void hfs_file_truncate(struct inode *inode)
 	       (long long)HFS_I(inode)->phys_size, inode->i_size);
 	if (inode->i_size > HFS_I(inode)->phys_size) {
 		struct address_space *mapping = inode->i_mapping;
+		void *fsdata;
 		struct page *page;
 		int res;
 
+		/* XXX: Can use generic_cont_expand? */
 		size = inode->i_size - 1;
-		page = grab_cache_page(mapping, size >> PAGE_CACHE_SHIFT);
-		if (!page)
-			return;
-		size &= PAGE_CACHE_SIZE - 1;
-		size++;
-		res = mapping->a_ops->prepare_write(NULL, page, size, size);
-		if (!res)
-			res = mapping->a_ops->commit_write(NULL, page, size, size);
+		res = pagecache_write_begin(NULL, mapping, size+1, 0,
+				AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata);
+		if (!res) {
+			res = pagecache_write_end(NULL, mapping, size+1, 0, 0,
+					page, fsdata);
+		}
 		if (res)
 			inode->i_size = HFS_I(inode)->phys_size;
-		unlock_page(page);
-		page_cache_release(page);
-		mark_inode_dirty(inode);
 		return;
 	} else if (inode->i_size == HFS_I(inode)->phys_size)
 		return;
@@ -490,7 +487,7 @@ void hfs_file_truncate(struct inode *inode)
 	if (blk_cnt == alloc_cnt)
 		goto out;
 
-	down(&HFS_I(inode)->extents_lock);
+	mutex_lock(&HFS_I(inode)->extents_lock);
 	hfs_find_init(HFS_SB(sb)->ext_tree, &fd);
 	while (1) {
 		if (alloc_cnt == HFS_I(inode)->first_blocks) {
@@ -517,7 +514,7 @@ void hfs_file_truncate(struct inode *inode)
 		hfs_brec_remove(&fd);
 	}
 	hfs_find_exit(&fd);
-	up(&HFS_I(inode)->extents_lock);
+	mutex_unlock(&HFS_I(inode)->extents_lock);
 
 	HFS_I(inode)->alloc_blocks = blk_cnt;
 out: