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| author |   Goldwyn Rodrigues <rgoldwyn@suse.com> | 2017-06-20 07:05:47 -0500 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2017-06-20 07:12:03 -0600 |
| commit | 728fbc0e10b7f3ce2ee043b32e3453fd5201c055 (patch) | |
| tree | eff612a5bd8832bb002d3adde66a9b6c5a475f6d /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | block: return on congested block device (diff) | |
| download | linux-dev-728fbc0e10b7f3ce2ee043b32e3453fd5201c055.tar.xz linux-dev-728fbc0e10b7f3ce2ee043b32e3453fd5201c055.zip | |
ext4: nowait aio support
Return EAGAIN if any of the following checks fail for direct I/O:
+ i_rwsem is lockable
+ Writing beyond end of file (will trigger allocation)
+ Blocks are not allocated at the write location
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions