diff options
| author | Christoph Hellwig <hch@lst.de> | 2026-03-23 08:11:50 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-03-25 06:49:01 -0600 |
| commit | 829def1e35ca3a6ef07d53d47089ef7cff0fd127 (patch) | |
| tree | 3d46ce4aec30a829ca88ce2ec05270b3cbfbd3ac /Documentation/admin-guide/blockdev | |
| parent | eff8d1656e83d186fdf9dd3ad0f229088440e4c6 (diff) | |
zloop: forget write cache on force removal
Add a new options that causes zloop to truncate the zone files to the
write pointer value recorded at the last cache flush to simulate
unclean shutdowns.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://patch.msgid.link/20260323071156.2940772-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation/admin-guide/blockdev')
| -rw-r--r-- | Documentation/admin-guide/blockdev/zoned_loop.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/admin-guide/blockdev/zoned_loop.rst b/Documentation/admin-guide/blockdev/zoned_loop.rst index 6aa865424ac3..a01f857b36ad 100644 --- a/Documentation/admin-guide/blockdev/zoned_loop.rst +++ b/Documentation/admin-guide/blockdev/zoned_loop.rst @@ -104,6 +104,11 @@ ordered_zone_append Enable zloop mitigation of zone append reordering. (extents), as when enabled, this can significantly reduce the number of data extents needed to for a file data mapping. +discard_write_cache Discard all data that was not explicitly persisted using a + flush operation when the device is removed by truncating + each zone file to the size recorded during the last flush + operation. This simulates power fail events where + uncommitted data is lost. =================== ========================================================= 3) Deleting a Zoned Device |