X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=include%2Fsys%2Fzio.h;h=64efde01691ae46a1d3435a0e9ff6d72226a683d;hb=775f2d34a3ccd5f866cfa04be76f83cb562f3881;hp=c0da4e2d78cdbe271728640191b0d42303fd462d;hpb=a38718a63d79116d6cb614dd2821e2a3955e5c8c;p=zfs.git diff --git a/include/sys/zio.h b/include/sys/zio.h index c0da4e2..64efde0 100644 --- a/include/sys/zio.h +++ b/include/sys/zio.h @@ -24,6 +24,8 @@ */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. */ #ifndef _ZIO_H @@ -107,6 +109,7 @@ enum zio_compress { ZIO_COMPRESS_GZIP_8, ZIO_COMPRESS_GZIP_9, ZIO_COMPRESS_ZLE, + ZIO_COMPRESS_LZ4, ZIO_COMPRESS_FUNCTIONS }; @@ -115,6 +118,7 @@ enum zio_compress { #define BOOTFS_COMPRESS_VALID(compress) \ ((compress) == ZIO_COMPRESS_LZJB || \ + (compress) == ZIO_COMPRESS_LZ4 || \ ((compress) == ZIO_COMPRESS_ON && \ ZIO_COMPRESS_ON_VALUE == ZIO_COMPRESS_LZJB) || \ (compress) == ZIO_COMPRESS_OFF) @@ -193,7 +197,8 @@ enum zio_flag { ZIO_FLAG_RAW = 1 << 21, ZIO_FLAG_GANG_CHILD = 1 << 22, ZIO_FLAG_DDT_CHILD = 1 << 23, - ZIO_FLAG_GODFATHER = 1 << 24 + ZIO_FLAG_GODFATHER = 1 << 24, + ZIO_FLAG_FASTWRITE = 1 << 25 }; #define ZIO_FLAG_MUSTSUCCEED 0 @@ -277,6 +282,14 @@ typedef struct zbookmark { #define ZB_ZIL_OBJECT (0ULL) #define ZB_ZIL_LEVEL (-2LL) +#define ZB_IS_ZERO(zb) \ + ((zb)->zb_objset == 0 && (zb)->zb_object == 0 && \ + (zb)->zb_level == 0 && (zb)->zb_blkid == 0) +#define ZB_IS_ROOT(zb) \ + ((zb)->zb_object == ZB_ROOT_OBJECT && \ + (zb)->zb_level == ZB_ROOT_LEVEL && \ + (zb)->zb_blkid == ZB_ROOT_BLKID) + typedef struct zio_prop { enum zio_checksum zp_checksum; enum zio_compress zp_compress; @@ -294,6 +307,7 @@ typedef void zio_cksum_finish_f(zio_cksum_report_t *rep, typedef void zio_cksum_free_f(void *cbdata, size_t size); struct zio_bad_cksum; /* defined in zio_checksum.h */ +struct dnode_phys; struct zio_cksum_report { struct zio_cksum_report *zcr_next; @@ -475,7 +489,7 @@ extern zio_t *zio_free_sync(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp, enum zio_flag flags); extern int zio_alloc_zil(spa_t *spa, uint64_t txg, blkptr_t *new_bp, - blkptr_t *old_bp, uint64_t size, boolean_t use_slog); + uint64_t size, boolean_t use_slog); extern void zio_free_zil(spa_t *spa, uint64_t txg, blkptr_t *bp); extern void zio_flush(zio_t *zio, vdev_t *vd); extern void zio_shrink(zio_t *zio, uint64_t size); @@ -494,6 +508,8 @@ extern void *zio_buf_alloc(size_t size); extern void zio_buf_free(void *buf, size_t size); extern void *zio_data_buf_alloc(size_t size); extern void zio_data_buf_free(void *buf, size_t size); +extern void *zio_vdev_alloc(void); +extern void zio_vdev_free(void *buf); extern void zio_resubmit_stage_async(void *); @@ -564,6 +580,10 @@ extern void zfs_ereport_post_checksum(spa_t *spa, vdev_t *vd, /* Called from spa_sync(), but primarily an injection handler */ extern void spa_handle_ignored_writes(spa_t *spa); +/* zbookmark functions */ +boolean_t zbookmark_is_before(const struct dnode_phys *dnp, + const zbookmark_t *zb1, const zbookmark_t *zb2); + #ifdef __cplusplus } #endif