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-rw-r--r--fs/btrfs/free-space-cache.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 8dd8ef7603..6f93c9a2c3 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -57,6 +57,11 @@ static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info, u64 offset,
u64 bytes, bool update_stats);
+static void btrfs_crc32c_final(u32 crc, u8 *result)
+{
+ put_unaligned_le32(~crc, result);
+}
+
static void __btrfs_remove_free_space_cache(struct btrfs_free_space_ctl *ctl)
{
struct btrfs_free_space *info;
@@ -354,7 +359,7 @@ int btrfs_truncate_free_space_cache(struct btrfs_trans_handle *trans,
if (ret)
goto fail;
- ret = btrfs_update_inode(trans, root, inode);
+ ret = btrfs_update_inode(trans, inode);
fail:
if (locked)
@@ -540,7 +545,7 @@ static void io_ctl_set_crc(struct btrfs_io_ctl *io_ctl, int index)
if (index == 0)
offset = sizeof(u32) * io_ctl->num_pages;
- crc = btrfs_crc32c(crc, io_ctl->orig + offset, PAGE_SIZE - offset);
+ crc = crc32c(crc, io_ctl->orig + offset, PAGE_SIZE - offset);
btrfs_crc32c_final(crc, (u8 *)&crc);
io_ctl_unmap_page(io_ctl);
tmp = page_address(io_ctl->pages[0]);
@@ -562,7 +567,7 @@ static int io_ctl_check_crc(struct btrfs_io_ctl *io_ctl, int index)
val = *tmp;
io_ctl_map_page(io_ctl, 0);
- crc = btrfs_crc32c(crc, io_ctl->orig + offset, PAGE_SIZE - offset);
+ crc = crc32c(crc, io_ctl->orig + offset, PAGE_SIZE - offset);
btrfs_crc32c_final(crc, (u8 *)&crc);
if (val != crc) {
btrfs_err_rl(io_ctl->fs_info,
@@ -1321,7 +1326,7 @@ out:
"failed to write free space cache for block group %llu error %d",
block_group->start, ret);
}
- btrfs_update_inode(trans, root, BTRFS_I(inode));
+ btrfs_update_inode(trans, BTRFS_I(inode));
if (block_group) {
/* the dirty list is protected by the dirty_bgs_lock */
@@ -1362,7 +1367,6 @@ int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
/*
* Write out cached info to an inode.
*
- * @root: root the inode belongs to
* @inode: freespace inode we are writing out
* @ctl: free space cache we are going to write out
* @block_group: block_group for this cache if it belongs to a block_group
@@ -1373,7 +1377,7 @@ int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
* on mount. This will return 0 if it was successful in writing the cache out,
* or an errno if it was not.
*/
-static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
+static int __btrfs_write_out_cache(struct inode *inode,
struct btrfs_free_space_ctl *ctl,
struct btrfs_block_group *block_group,
struct btrfs_io_ctl *io_ctl,
@@ -1506,7 +1510,7 @@ out:
invalidate_inode_pages2(inode->i_mapping);
BTRFS_I(inode)->generation = 0;
}
- btrfs_update_inode(trans, root, BTRFS_I(inode));
+ btrfs_update_inode(trans, BTRFS_I(inode));
if (must_iput)
iput(inode);
return ret;
@@ -1532,8 +1536,8 @@ int btrfs_write_out_cache(struct btrfs_trans_handle *trans,
if (IS_ERR(inode))
return 0;
- ret = __btrfs_write_out_cache(fs_info->tree_root, inode, ctl,
- block_group, &block_group->io_ctl, trans);
+ ret = __btrfs_write_out_cache(inode, ctl, block_group,
+ &block_group->io_ctl, trans);
if (ret) {
btrfs_debug(fs_info,
"failed to write free space cache for block group %llu error %d",