path: root/engines/libzbc.c
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authorDamien Le Moal <>2020-04-07 10:58:58 +0900
committerJens Axboe <>2020-04-07 14:47:03 -0600
commit6c5b11d3d31fc6a9ae6ba8602ffc03e729476f57 (patch)
treeea4f95976b3dc43ac10f1de6bbbe0b90a5752c22 /engines/libzbc.c
parentb76949618d557bd63181245aa522ead9b92d274b (diff)
ioengines: Add zoned block device operations
Define three new IO engines operations: zoned model discovery, zone information report and zone write pointer reset. These allow an ioengine to provide special implementation of these operations if the system does not support them natively through system calls or on Linux to replace the default Linux blkzoned.h ioctl based generic implementation in oslib/linux-blkzoned.c. FIO internal and external ioengines using direct device access (e.g. Linux SG) or OS specific IO engines can provide an implementation of these method to enabled zoned block device zonemode=zbd workloads. On Linux, the IO engine zone operations have precedence over the default zone operation implementation in oslib/linux-blkzoned.c. This patch also increments FIO_IOOPS_VERSION to 26 and adds a skeleton implementation of the new ioengine operations in engines/skeleton_external.c. Signed-off-by: Damien Le Moal <> Signed-off-by: Jens Axboe <>
Diffstat (limited to 'engines/libzbc.c')
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