GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 23:32:14 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Btrfs: add tracepoints for flush events

Browse source 
We want to track when we're triggering flushing from our reservation code and
what flushing is being done when we start flushing.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2016-03-25 13:25:56 -04:00 • committed by David Sterba
parent f485c9ee32
commit f376df2b7d
3 changed files with 103 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

9
fs/btrfs/ctree.h
View file

@ -2626,6 +2626,15 @@ enum btrfs_reserve_flush_enum {
BTRFS_RESERVE_FLUSH_ALL,
};
enum btrfs_flush_state {
FLUSH_DELAYED_ITEMS_NR = 1,
FLUSH_DELAYED_ITEMS = 2,
FLUSH_DELALLOC = 3,
FLUSH_DELALLOC_WAIT = 4,
ALLOC_CHUNK = 5,
COMMIT_TRANS = 6,
};
int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len);
int btrfs_alloc_data_chunk_ondemand(struct inode *inode, u64 bytes);
void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len);