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btrfs: enhance transaction abort infrastructure

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Signed-off-by: Jeff Mahoney <jeffm@suse.com>
This commit is contained in:
Jeff Mahoney
2012-03-01 17:24:58 +01:00
committed by David Sterba
parent 4da3511342
commit 49b25e0540
8 changed files with 300 additions and 56 deletions
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13
fs/btrfs/ctree.h
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@@ -2968,6 +2968,16 @@ void btrfs_printk(struct btrfs_fs_info *fs_info, const char *fmt, ...);
void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
unsigned int line, int errno, const char *fmt, ...);
void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root, const char *function,
unsigned int line, int errno);
#define btrfs_abort_transaction(trans, root, errno) \
do { \
__btrfs_abort_transaction(trans, root, __func__, \
__LINE__, errno); \
} while (0)
#define btrfs_std_error(fs_info, errno) \
do { \
if ((errno)) \
@@ -3024,7 +3034,7 @@ void btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
void btrfs_reloc_pre_snapshot(struct btrfs_trans_handle *trans,
struct btrfs_pending_snapshot *pending,
u64 *bytes_to_reserve);
void btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
struct btrfs_pending_snapshot *pending);
/* scrub.c */
@@ -3034,6 +3044,7 @@ void btrfs_scrub_pause(struct btrfs_root *root);
void btrfs_scrub_pause_super(struct btrfs_root *root);
void btrfs_scrub_continue(struct btrfs_root *root);
void btrfs_scrub_continue_super(struct btrfs_root *root);
int __btrfs_scrub_cancel(struct btrfs_fs_info *info);
int btrfs_scrub_cancel(struct btrfs_root *root);
int btrfs_scrub_cancel_dev(struct btrfs_root *root, struct btrfs_device *dev);
int btrfs_scrub_cancel_devid(struct btrfs_root *root, u64 devid);