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btrfs: change num_items type from u64 to unsigned int 

The value of num_items that start_transaction() ultimately
always takes is a small one, so a 64 bit integer is overkill.

Also change num_items for btrfs_start_transaction() and
btrfs_start_transaction_lflush() as well.

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Alexandru Moise 2015-09-22 20:59:15 +00:00 committed by David Sterba
parent bdcd3c97d1
commit 5aed1dd8b4
2 changed files with 8 additions and 6 deletions
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9
fs/btrfs/transaction.c
View File

@ -443,8 +443,8 @@ static inline bool need_reserve_reloc_root(struct btrfs_root *root)
} }
static struct btrfs_trans_handle * static struct btrfs_trans_handle *
start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type, start_transaction(struct btrfs_root *root, unsigned int num_items,
enum btrfs_reserve_flush_enum flush) unsigned int type, enum btrfs_reserve_flush_enum flush)
{ {
struct btrfs_trans_handle *h; struct btrfs_trans_handle *h;
struct btrfs_transaction *cur_trans; struct btrfs_transaction *cur_trans;
@ -586,14 +586,15 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type,
} }
struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
int num_items) unsigned int num_items)
{ {
return start_transaction(root, num_items, TRANS_START, return start_transaction(root, num_items, TRANS_START,
BTRFS_RESERVE_FLUSH_ALL); BTRFS_RESERVE_FLUSH_ALL);
} }
struct btrfs_trans_handle *btrfs_start_transaction_lflush( struct btrfs_trans_handle *btrfs_start_transaction_lflush(
struct btrfs_root *root, int num_items) struct btrfs_root *root,
unsigned int num_items)
{ {
return start_transaction(root, num_items, TRANS_START, return start_transaction(root, num_items, TRANS_START,
BTRFS_RESERVE_FLUSH_LIMIT); BTRFS_RESERVE_FLUSH_LIMIT);

5
fs/btrfs/transaction.h
View File

@ -185,9 +185,10 @@ static inline void btrfs_clear_skip_qgroup(struct btrfs_trans_handle *trans)
int btrfs_end_transaction(struct btrfs_trans_handle *trans, int btrfs_end_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root); struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
int num_items); unsigned int num_items);
struct btrfs_trans_handle *btrfs_start_transaction_lflush( struct btrfs_trans_handle *btrfs_start_transaction_lflush(
struct btrfs_root *root, int num_items); struct btrfs_root *root,
unsigned int num_items);
struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root);