btrfs: use fs_info for btrfs_handle_em_exist tracepoint
authorDavid Sterba <dsterba@suse.com>
Tue, 3 Apr 2018 19:45:57 +0000 (21:45 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 28 May 2018 16:07:17 +0000 (18:07 +0200)
commitf46b24c9457143a367c6707eac82d546e2bcf280
treecb09021515f8ed1eb2af36f764c39ac9e5e3f6fb
parent0e08eb9b1c1701f1fda8e8d7f4d2b93e7e54941f
btrfs: use fs_info for btrfs_handle_em_exist tracepoint

We really want to know to which filesystem the extent map events belong,
but as it cannot be reached from the extent_map pointers, we need to
pass it down the callchain.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/extent_map.c
fs/btrfs/extent_map.h
fs/btrfs/inode.c
fs/btrfs/tests/extent-map-tests.c
include/trace/events/btrfs.h