diff options
Diffstat (limited to 'fs/hfsplus')
| -rw-r--r-- | fs/hfsplus/bitmap.c | 13 | ||||
| -rw-r--r-- | fs/hfsplus/btree.c | 5 | ||||
| -rw-r--r-- | fs/hfsplus/extents.c | 24 | ||||
| -rw-r--r-- | fs/hfsplus/hfsplus_fs.h | 2 | ||||
| -rw-r--r-- | fs/hfsplus/super.c | 15 |
5 files changed, 48 insertions, 11 deletions
diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c index 4cfbe2edd296..6feefc0cb48a 100644 --- a/fs/hfsplus/bitmap.c +++ b/fs/hfsplus/bitmap.c @@ -176,12 +176,14 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count) dprint(DBG_BITMAP, "block_free: %u,%u\n", offset, count); /* are all of the bits in range? */ if ((offset + count) > sbi->total_blocks) - return -2; + return -ENOENT; mutex_lock(&sbi->alloc_mutex); mapping = sbi->alloc_file->i_mapping; pnr = offset / PAGE_CACHE_BITS; page = read_mapping_page(mapping, pnr, NULL); + if (IS_ERR(page)) + goto kaboom; pptr = kmap(page); curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32; end = pptr + PAGE_CACHE_BITS / 32; @@ -214,6 +216,8 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count) set_page_dirty(page); kunmap(page); page = read_mapping_page(mapping, ++pnr, NULL); + if (IS_ERR(page)) + goto kaboom; pptr = kmap(page); curr = pptr; end = pptr + PAGE_CACHE_BITS / 32; @@ -232,4 +236,11 @@ out: mutex_unlock(&sbi->alloc_mutex); return 0; + +kaboom: + printk(KERN_CRIT "hfsplus: unable to mark blocks free: error %ld\n", + PTR_ERR(page)); + mutex_unlock(&sbi->alloc_mutex); + + return -EIO; } diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index 21023d9f8ff3..685d07d0ed18 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -159,7 +159,7 @@ void hfs_btree_close(struct hfs_btree *tree) kfree(tree); } -void hfs_btree_write(struct hfs_btree *tree) +int hfs_btree_write(struct hfs_btree *tree) { struct hfs_btree_header_rec *head; struct hfs_bnode *node; @@ -168,7 +168,7 @@ void hfs_btree_write(struct hfs_btree *tree) node = hfs_bnode_find(tree, 0); if (IS_ERR(node)) /* panic? */ - return; + return -EIO; /* Load the header */ page = node->page[0]; head = (struct hfs_btree_header_rec *)(kmap(page) + @@ -186,6 +186,7 @@ void hfs_btree_write(struct hfs_btree *tree) kunmap(page); set_page_dirty(page); hfs_bnode_put(node); + return 0; } static struct hfs_bnode *hfs_bmap_new_bmap(struct hfs_bnode *prev, u32 idx) diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 5849e3ef35cc..eba76eab6d62 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -329,6 +329,7 @@ static int hfsplus_free_extents(struct super_block *sb, { u32 count, start; int i; + int err = 0; hfsplus_dump_extent(extent); for (i = 0; i < 8; extent++, i++) { @@ -345,18 +346,33 @@ found: for (;;) { start = be32_to_cpu(extent->start_block); if (count <= block_nr) { - hfsplus_block_free(sb, start, count); + err = hfsplus_block_free(sb, start, count); + if (err) { + printk(KERN_ERR "hfs: can't free extent\n"); + dprint(DBG_EXTENT, " start: %u count: %u\n", + start, count); + } extent->block_count = 0; extent->start_block = 0; block_nr -= count; } else { count -= block_nr; - hfsplus_block_free(sb, start + count, block_nr); + err = hfsplus_block_free(sb, start + count, block_nr); + if (err) { + printk(KERN_ERR "hfs: can't free extent\n"); + dprint(DBG_EXTENT, " start: %u count: %u\n", + start, count); + } extent->block_count = cpu_to_be32(count); block_nr = 0; } - if (!block_nr || !i) - return 0; + if (!block_nr || !i) { + /* + * Try to free all extents and + * return only last error + */ + return err; + } i--; extent--; count = be32_to_cpu(extent->block_count); diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index c571de224b15..a6da86b1b4c1 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -335,7 +335,7 @@ int hfsplus_block_free(struct super_block *, u32, u32); /* btree.c */ struct hfs_btree *hfs_btree_open(struct super_block *, u32); void hfs_btree_close(struct hfs_btree *); -void hfs_btree_write(struct hfs_btree *); +int hfs_btree_write(struct hfs_btree *); struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *); void hfs_bmap_free(struct hfs_bnode *); diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 811a84d2d964..796198d26553 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -127,8 +127,14 @@ static int hfsplus_system_write_inode(struct inode *inode) hfsplus_mark_mdb_dirty(inode->i_sb); } hfsplus_inode_write_fork(inode, fork); - if (tree) - hfs_btree_write(tree); + if (tree) { + int err = hfs_btree_write(tree); + if (err) { + printk(KERN_ERR "hfs: b-tree write err: %d, ino %lu\n", + err, inode->i_ino); + return err; + } + } return 0; } @@ -226,6 +232,7 @@ out: static void delayed_sync_fs(struct work_struct *work) { + int err; struct hfsplus_sb_info *sbi; sbi = container_of(work, struct hfsplus_sb_info, sync_work.work); @@ -234,7 +241,9 @@ static void delayed_sync_fs(struct work_struct *work) sbi->work_queued = 0; spin_unlock(&sbi->work_lock); - hfsplus_sync_fs(sbi->alloc_file->i_sb, 1); + err = hfsplus_sync_fs(sbi->alloc_file->i_sb, 1); + if (err) + printk(KERN_ERR "hfs: delayed sync fs err %d\n", err); } void hfsplus_mark_mdb_dirty(struct super_block *sb) |
