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| author | Xiubo Li <[email protected]> | 2023-03-08 02:21:44 +0000 |
|---|---|---|
| committer | Ilya Dryomov <[email protected]> | 2023-04-30 10:37:28 +0000 |
| commit | 7d41870d65db028234333c68e60a034ac335557a (patch) | |
| tree | dc0b183ecf42cb8f43d049ca4088d24ded702965 /tools/perf/util/trace-event-scripting.c | |
| parent | ceph: do not print the whole xattr value if it's too long (diff) | |
| download | kernel-7d41870d65db028234333c68e60a034ac335557a.tar.gz kernel-7d41870d65db028234333c68e60a034ac335557a.zip | |
ceph: implement writeback livelock avoidance using page tagging
While the mapped IOs continue if we try to flush a file's buffer
we can see that the fsync() won't complete until the IOs finish.
This is analogous to Jan Kara's commit (f446daaea9d4 mm: implement
writeback livelock avoidance using page tagging), we will try to
avoid livelocks of writeback when some steadily creates dirty pages
in a mapping we are writing out.
Signed-off-by: Xiubo Li <[email protected]>
Reviewed-by: Ilya Dryomov <[email protected]>
Signed-off-by: Ilya Dryomov <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions