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Diffstat (limited to 'fs/hfsplus/extents.c')
-rw-r--r--fs/hfsplus/extents.c75
1 files changed, 48 insertions, 27 deletions
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 5849e3ef35cc..fbb212fbb1ef 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -83,7 +83,7 @@ static u32 hfsplus_ext_lastblock(struct hfsplus_extent *ext)
return be32_to_cpu(ext->start_block) + be32_to_cpu(ext->block_count);
}
-static void __hfsplus_ext_write_extent(struct inode *inode,
+static int __hfsplus_ext_write_extent(struct inode *inode,
struct hfs_find_data *fd)
{
struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
@@ -95,16 +95,16 @@ static void __hfsplus_ext_write_extent(struct inode *inode,
HFSPLUS_IS_RSRC(inode) ?
HFSPLUS_TYPE_RSRC : HFSPLUS_TYPE_DATA);
- res = hfs_brec_find(fd);
+ res = hfs_brec_find(fd, hfs_find_rec_by_key);
if (hip->extent_state & HFSPLUS_EXT_NEW) {
if (res != -ENOENT)
- return;
+ return res;
hfs_brec_insert(fd, hip->cached_extents,
sizeof(hfsplus_extent_rec));
hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);
} else {
if (res)
- return;
+ return res;
hfs_bnode_write(fd->bnode, hip->cached_extents,
fd->entryoffset, fd->entrylength);
hip->extent_state &= ~HFSPLUS_EXT_DIRTY;
@@ -117,11 +117,13 @@ static void __hfsplus_ext_write_extent(struct inode *inode,
* to explicily mark the inode dirty, too.
*/
set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags);
+
+ return 0;
}
static int hfsplus_ext_write_extent_locked(struct inode *inode)
{
- int res;
+ int res = 0;
if (HFSPLUS_I(inode)->extent_state & HFSPLUS_EXT_DIRTY) {
struct hfs_find_data fd;
@@ -129,10 +131,10 @@ static int hfsplus_ext_write_extent_locked(struct inode *inode)
res = hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd);
if (res)
return res;
- __hfsplus_ext_write_extent(inode, &fd);
+ res = __hfsplus_ext_write_extent(inode, &fd);
hfs_find_exit(&fd);
}
- return 0;
+ return res;
}
int hfsplus_ext_write_extent(struct inode *inode)
@@ -154,7 +156,7 @@ static inline int __hfsplus_ext_read_extent(struct hfs_find_data *fd,
hfsplus_ext_build_key(fd->search_key, cnid, block, type);
fd->key->ext.cnid = 0;
- res = hfs_brec_find(fd);
+ res = hfs_brec_find(fd, hfs_find_rec_by_key);
if (res && res != -ENOENT)
return res;
if (fd->key->ext.cnid != fd->search_key->ext.cnid ||
@@ -175,8 +177,11 @@ static inline int __hfsplus_ext_cache_extent(struct hfs_find_data *fd,
WARN_ON(!mutex_is_locked(&hip->extents_lock));
- if (hip->extent_state & HFSPLUS_EXT_DIRTY)
- __hfsplus_ext_write_extent(inode, fd);
+ if (hip->extent_state & HFSPLUS_EXT_DIRTY) {
+ res = __hfsplus_ext_write_extent(inode, fd);
+ if (res)
+ return res;
+ }
res = __hfsplus_ext_read_extent(fd, hip->cached_extents, inode->i_ino,
block, HFSPLUS_IS_RSRC(inode) ?
@@ -265,7 +270,7 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock,
mutex_unlock(&hip->extents_lock);
done:
- dprint(DBG_EXTENT, "get_block(%lu): %llu - %u\n",
+ hfs_dbg(EXTENT, "get_block(%lu): %llu - %u\n",
inode->i_ino, (long long)iblock, dblock);
mask = (1 << sbi->fs_shift) - 1;
@@ -288,11 +293,12 @@ static void hfsplus_dump_extent(struct hfsplus_extent *extent)
{
int i;
- dprint(DBG_EXTENT, " ");
+ hfs_dbg(EXTENT, " ");
for (i = 0; i < 8; i++)
- dprint(DBG_EXTENT, " %u:%u", be32_to_cpu(extent[i].start_block),
- be32_to_cpu(extent[i].block_count));
- dprint(DBG_EXTENT, "\n");
+ hfs_dbg_cont(EXTENT, " %u:%u",
+ be32_to_cpu(extent[i].start_block),
+ be32_to_cpu(extent[i].block_count));
+ hfs_dbg_cont(EXTENT, "\n");
}
static int hfsplus_add_extent(struct hfsplus_extent *extent, u32 offset,
@@ -329,6 +335,7 @@ 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 +352,33 @@ 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) {
+ pr_err("can't free extent\n");
+ hfs_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) {
+ pr_err("can't free extent\n");
+ hfs_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);
@@ -416,7 +438,7 @@ int hfsplus_file_extend(struct inode *inode)
if (sbi->alloc_file->i_size * 8 <
sbi->total_blocks - sbi->free_blocks + 8) {
/* extend alloc file */
- printk(KERN_ERR "hfs: extend alloc file! "
+ pr_err("extend alloc file! "
"(%llu,%u,%u)\n",
sbi->alloc_file->i_size * 8,
sbi->total_blocks, sbi->free_blocks);
@@ -443,11 +465,11 @@ int hfsplus_file_extend(struct inode *inode)
}
}
- dprint(DBG_EXTENT, "extend %lu: %u,%u\n", inode->i_ino, start, len);
+ hfs_dbg(EXTENT, "extend %lu: %u,%u\n", inode->i_ino, start, len);
if (hip->alloc_blocks <= hip->first_blocks) {
if (!hip->first_blocks) {
- dprint(DBG_EXTENT, "first extents\n");
+ hfs_dbg(EXTENT, "first extents\n");
/* no extents yet */
hip->first_extents[0].start_block = cpu_to_be32(start);
hip->first_extents[0].block_count = cpu_to_be32(len);
@@ -484,7 +506,7 @@ out:
return res;
insert_extent:
- dprint(DBG_EXTENT, "insert new extent\n");
+ hfs_dbg(EXTENT, "insert new extent\n");
res = hfsplus_ext_write_extent_locked(inode);
if (res)
goto out;
@@ -509,15 +531,14 @@ void hfsplus_file_truncate(struct inode *inode)
u32 alloc_cnt, blk_cnt, start;
int res;
- dprint(DBG_INODE, "truncate: %lu, %llu -> %llu\n",
- inode->i_ino, (long long)hip->phys_size,
- inode->i_size);
+ hfs_dbg(INODE, "truncate: %lu, %llu -> %llu\n",
+ inode->i_ino, (long long)hip->phys_size, inode->i_size);
if (inode->i_size > hip->phys_size) {
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
- u32 size = inode->i_size;
+ loff_t size = inode->i_size;
res = pagecache_write_begin(NULL, mapping, size, 0,
AOP_FLAG_UNINTERRUPTIBLE,
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-17 13:03:30 +0000