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| author | Brian Foster <bfoster@redhat.com> | 2015-10-12 07:02:08 +0200 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2015-10-12 07:02:08 +0200 |
| commit | 0a50f162af6ddc2db02c9edc5bbb823c336100a4 (patch) | |
| tree | e4d40edf5a5dd7386e7f736b9300fa216565a502 | |
| parent | xfs: always drain dio before extending aio write submission (diff) | |
| download | linux-0a50f162af6ddc2db02c9edc5bbb823c336100a4.tar.xz linux-0a50f162af6ddc2db02c9edc5bbb823c336100a4.zip | |
xfs: add an xfs_zero_eof() tracepoint
Add a tracepoint in xfs_zero_eof() to facilitate tracking and debugging
EOF zeroing events. This has proven useful in the context of other
direct I/O tracepoints to ensure EOF zeroing occurs within appropriate
file ranges.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
| -rw-r--r-- | fs/xfs/xfs_file.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_trace.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 347b3e07ec2b..541dcfbc6f49 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -482,6 +482,8 @@ xfs_zero_eof( ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); ASSERT(offset > isize); + trace_xfs_zero_eof(ip, isize, offset - isize); + /* * First handle zeroing the block on which isize resides. * diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 5ed36b1e04c1..957f5ccdd84f 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1312,6 +1312,7 @@ DEFINE_SIMPLE_IO_EVENT(xfs_delalloc_enospc); DEFINE_SIMPLE_IO_EVENT(xfs_unwritten_convert); DEFINE_SIMPLE_IO_EVENT(xfs_get_blocks_notfound); DEFINE_SIMPLE_IO_EVENT(xfs_setfilesize); +DEFINE_SIMPLE_IO_EVENT(xfs_zero_eof); DECLARE_EVENT_CLASS(xfs_itrunc_class, TP_PROTO(struct xfs_inode *ip, xfs_fsize_t new_size), |