iomap: trace iomap_appply results
authorDarrick J. Wong <darrick.wong@oracle.com>
Fri, 22 Nov 2019 00:14:49 +0000 (16:14 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Fri, 22 Nov 2019 16:36:00 +0000 (08:36 -0800)
commit6334b91e502ca1ec10157f2a3a2c74eea6b5e279
treea0cbe1cb3a714e74c3076d20917f732e7b689c57
parente9f930ac88a8936ccc2d021110c98810cf5aa810
iomap: trace iomap_appply results

Add some tracepoints so that we can more easily debug what the
filesystem is returning from ->iomap_begin.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/iomap/apply.c
fs/iomap/trace.h