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Btrfs: kill root from btrfs_is_free_space_inode

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Since root can be fetched via BTRFS_I macro directly, we can save an args
for btrfs_is_free_space_inode().

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Liu Bo 2012-07-10 05:28:39 -06:00 committed by Chris Mason
parent 51a8cf9d2d
commit 83eea1f1ba
4 changed files with 16 additions and 15 deletions
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5
fs/btrfs/btrfs_inode.h
View File

@ -191,9 +191,10 @@ static inline void btrfs_i_size_write(struct inode *inode, u64 size)
BTRFS_I(inode)->disk_i_size = size;
}
static inline bool btrfs_is_free_space_inode(struct btrfs_root *root,
struct inode *inode)
static inline bool btrfs_is_free_space_inode(struct inode *inode)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
if (root == root->fs_info->tree_root &&
btrfs_ino(inode) != BTRFS_BTREE_INODE_OBJECTID)
return true;

2
fs/btrfs/extent-tree.c
View File

@ -4444,7 +4444,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
int ret;
/* Need to be holding the i_mutex here if we aren't free space cache */
if (btrfs_is_free_space_inode(root, inode))
if (btrfs_is_free_space_inode(inode))
flush = 0;
if (flush && btrfs_transaction_in_commit(root->fs_info))

2
fs/btrfs/file-item.c
View File

@ -183,7 +183,7 @@ static int __btrfs_lookup_bio_sums(struct btrfs_root *root,
* read from the commit root and sidestep a nasty deadlock
* between reading the free space cache and updating the csum tree.
*/
if (btrfs_is_free_space_inode(root, inode)) {
if (btrfs_is_free_space_inode(inode)) {
path->search_commit_root = 1;
path->skip_locking = 1;
}

22
fs/btrfs/inode.c
View File

@ -825,7 +825,7 @@ static noinline int cow_file_range(struct inode *inode,
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
int ret = 0;
BUG_ON(btrfs_is_free_space_inode(root, inode));
BUG_ON(btrfs_is_free_space_inode(inode));
trans = btrfs_join_transaction(root);
if (IS_ERR(trans)) {
extent_clear_unlock_delalloc(inode,
@ -1153,7 +1153,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
return -ENOMEM;
}
nolock = btrfs_is_free_space_inode(root, inode);
nolock = btrfs_is_free_space_inode(inode);
if (nolock)
trans = btrfs_join_transaction_nolock(root);
@ -1466,7 +1466,7 @@ static void btrfs_set_bit_hook(struct inode *inode,
if (!(state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 len = state->end + 1 - state->start;
bool do_list = !btrfs_is_free_space_inode(root, inode);
bool do_list = !btrfs_is_free_space_inode(inode);
if (*bits & EXTENT_FIRST_DELALLOC) {
*bits &= ~EXTENT_FIRST_DELALLOC;
@ -1501,7 +1501,7 @@ static void btrfs_clear_bit_hook(struct inode *inode,
if ((state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 len = state->end + 1 - state->start;
bool do_list = !btrfs_is_free_space_inode(root, inode);
bool do_list = !btrfs_is_free_space_inode(inode);
if (*bits & EXTENT_FIRST_DELALLOC) {
*bits &= ~EXTENT_FIRST_DELALLOC;
@ -1612,7 +1612,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
if (btrfs_is_free_space_inode(root, inode))
if (btrfs_is_free_space_inode(inode))
metadata = 2;
if (!(rw & REQ_WRITE)) {
@ -1869,7 +1869,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
int ret;
bool nolock;
nolock = btrfs_is_free_space_inode(root, inode);
nolock = btrfs_is_free_space_inode(inode);
if (test_bit(BTRFS_ORDERED_IOERR, &ordered_extent->flags)) {
ret = -EIO;
@ -2007,7 +2007,7 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
ordered_extent->work.func = finish_ordered_fn;
ordered_extent->work.flags = 0;
if (btrfs_is_free_space_inode(root, inode))
if (btrfs_is_free_space_inode(inode))
workers = &root->fs_info->endio_freespace_worker;
else
workers = &root->fs_info->endio_write_workers;
@ -2732,7 +2732,7 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
* The data relocation inode should also be directly updated
* without delay
*/
if (!btrfs_is_free_space_inode(root, inode)
if (!btrfs_is_free_space_inode(inode)
&& root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
ret = btrfs_delayed_update_inode(trans, root, inode);
if (!ret)
@ -3743,7 +3743,7 @@ void btrfs_evict_inode(struct inode *inode)
truncate_inode_pages(&inode->i_data, 0);
if (inode->i_nlink && (btrfs_root_refs(&root->root_item) != 0 ||
btrfs_is_free_space_inode(root, inode)))
btrfs_is_free_space_inode(inode)))
goto no_delete;
if (is_bad_inode(inode)) {
@ -4457,7 +4457,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
if (test_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags))
return 0;
if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(root, inode))
if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(inode))
nolock = true;
if (wbc->sync_mode == WB_SYNC_ALL) {
@ -7051,7 +7051,7 @@ int btrfs_drop_inode(struct inode *inode)
struct btrfs_root *root = BTRFS_I(inode)->root;
if (btrfs_root_refs(&root->root_item) == 0 &&
!btrfs_is_free_space_inode(root, inode))
!btrfs_is_free_space_inode(inode))
return 1;
else
return generic_drop_inode(inode);