diff options
Diffstat (limited to 'include/sys/zio_impl.h')
| -rw-r--r-- | include/sys/zio_impl.h | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/include/sys/zio_impl.h b/include/sys/zio_impl.h index 199cca291..29a05986c 100644 --- a/include/sys/zio_impl.h +++ b/include/sys/zio_impl.h @@ -77,6 +77,12 @@ extern "C" { * and zstd. Compression occurs as part of the write pipeline and is * performed in the ZIO_STAGE_WRITE_BP_INIT stage. * + * Block cloning: + * The block cloning functionality introduces ZIO_STAGE_BRT_FREE stage which + * is called during a free pipeline. If the block is referenced in the + * Block Cloning Table (BRT) we will just decrease its reference counter + * instead of actually freeing the block. + * * Dedup: * Dedup reads are handled by the ZIO_STAGE_DDT_READ_START and * ZIO_STAGE_DDT_READ_DONE stages. These stages are added to an existing @@ -127,28 +133,30 @@ enum zio_stage { ZIO_STAGE_NOP_WRITE = 1 << 8, /* -W--- */ - ZIO_STAGE_DDT_READ_START = 1 << 9, /* R---- */ - ZIO_STAGE_DDT_READ_DONE = 1 << 10, /* R---- */ - ZIO_STAGE_DDT_WRITE = 1 << 11, /* -W--- */ - ZIO_STAGE_DDT_FREE = 1 << 12, /* --F-- */ + ZIO_STAGE_BRT_FREE = 1 << 9, /* --F-- */ + + ZIO_STAGE_DDT_READ_START = 1 << 10, /* R---- */ + ZIO_STAGE_DDT_READ_DONE = 1 << 11, /* R---- */ + ZIO_STAGE_DDT_WRITE = 1 << 12, /* -W--- */ + ZIO_STAGE_DDT_FREE = 1 << 13, /* --F-- */ - ZIO_STAGE_GANG_ASSEMBLE = 1 << 13, /* RWFC- */ - ZIO_STAGE_GANG_ISSUE = 1 << 14, /* RWFC- */ + ZIO_STAGE_GANG_ASSEMBLE = 1 << 14, /* RWFC- */ + ZIO_STAGE_GANG_ISSUE = 1 << 15, /* RWFC- */ - ZIO_STAGE_DVA_THROTTLE = 1 << 15, /* -W--- */ - ZIO_STAGE_DVA_ALLOCATE = 1 << 16, /* -W--- */ - ZIO_STAGE_DVA_FREE = 1 << 17, /* --F-- */ - ZIO_STAGE_DVA_CLAIM = 1 << 18, /* ---C- */ + ZIO_STAGE_DVA_THROTTLE = 1 << 16, /* -W--- */ + ZIO_STAGE_DVA_ALLOCATE = 1 << 17, /* -W--- */ + ZIO_STAGE_DVA_FREE = 1 << 18, /* --F-- */ + ZIO_STAGE_DVA_CLAIM = 1 << 19, /* ---C- */ - ZIO_STAGE_READY = 1 << 19, /* RWFCI */ + ZIO_STAGE_READY = 1 << 20, /* RWFCI */ - ZIO_STAGE_VDEV_IO_START = 1 << 20, /* RW--I */ - ZIO_STAGE_VDEV_IO_DONE = 1 << 21, /* RW--I */ - ZIO_STAGE_VDEV_IO_ASSESS = 1 << 22, /* RW--I */ + ZIO_STAGE_VDEV_IO_START = 1 << 21, /* RW--I */ + ZIO_STAGE_VDEV_IO_DONE = 1 << 22, /* RW--I */ + ZIO_STAGE_VDEV_IO_ASSESS = 1 << 23, /* RW--I */ - ZIO_STAGE_CHECKSUM_VERIFY = 1 << 23, /* R---- */ + ZIO_STAGE_CHECKSUM_VERIFY = 1 << 24, /* R---- */ - ZIO_STAGE_DONE = 1 << 24 /* RWFCI */ + ZIO_STAGE_DONE = 1 << 25 /* RWFCI */ }; #define ZIO_INTERLOCK_STAGES \ @@ -233,6 +241,7 @@ enum zio_stage { #define ZIO_FREE_PIPELINE \ (ZIO_INTERLOCK_STAGES | \ ZIO_STAGE_FREE_BP_INIT | \ + ZIO_STAGE_BRT_FREE | \ ZIO_STAGE_DVA_FREE) #define ZIO_DDT_FREE_PIPELINE \ |