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| author | Ross Zwisler | 2017-05-09 01:00:13 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2017-05-09 02:15:16 +0200 |
| commit | f9bc3a07539bc80b4da9ff2f5d6c13d5c7a4f073 (patch) | |
| tree | 9e810d6f0e0dea3f83c8fba495981d10f862b952 /init | |
| parent | dax: add tracepoints to dax_writeback_mapping_range() (diff) | |
| download | kernel-qcow2-linux-f9bc3a07539bc80b4da9ff2f5d6c13d5c7a4f073.tar.gz kernel-qcow2-linux-f9bc3a07539bc80b4da9ff2f5d6c13d5c7a4f073.tar.xz kernel-qcow2-linux-f9bc3a07539bc80b4da9ff2f5d6c13d5c7a4f073.zip | |
dax: add tracepoint to dax_writeback_one()
Add a tracepoint to dax_writeback_one(), following the same logging
conventions as the rest of DAX.
Here is an example range writeback which ends up flushing one PMD and
one PTE:
test-1265 [003] ....
496.615250: dax_writeback_range: dev 259:0 ino 0x1003 pgoff 0x0-0x7ffffffffffff
test-1265 [003] ....
496.616263: dax_writeback_one: dev 259:0 ino 0x1003 pgoff 0x0 pglen 0x200
test-1265 [003] ....
496.616270: dax_writeback_one: dev 259:0 ino 0x1003 pgoff 0x305 pglen 0x1
test-1265 [003] ....
496.616272: dax_writeback_range_done: dev 259:0 ino 0x1003 pgoff 0x0-0x7ffffffffffff
[akpm@linux-foundation.org: struct blk_dax_ctl has disappeared]
Link: http://lkml.kernel.org/r/20170221195116.13278-6-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions