/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
*/
ZIO_CHECKSUM_FUNCTIONS
};
+/*
+ * The number of "legacy" compression functions which can be set on individual
+ * objects.
+ */
+#define ZIO_CHECKSUM_LEGACY_FUNCTIONS ZIO_CHECKSUM_ZILOG2
+
#define ZIO_CHECKSUM_ON_VALUE ZIO_CHECKSUM_FLETCHER_4
#define ZIO_CHECKSUM_DEFAULT ZIO_CHECKSUM_ON
ZIO_COMPRESS_FUNCTIONS
};
+/*
+ * The number of "legacy" compression functions which can be set on individual
+ * objects.
+ */
+#define ZIO_COMPRESS_LEGACY_FUNCTIONS ZIO_COMPRESS_LZ4
+
#define ZIO_COMPRESS_ON_VALUE ZIO_COMPRESS_LZJB
#define ZIO_COMPRESS_DEFAULT ZIO_COMPRESS_OFF
ZIO_FLAG_RESILVER = 1 << 3,
ZIO_FLAG_SCRUB = 1 << 4,
ZIO_FLAG_SCAN_THREAD = 1 << 5,
+ ZIO_FLAG_PHYSICAL = 1 << 6,
#define ZIO_FLAG_AGG_INHERIT (ZIO_FLAG_CANFAIL - 1)
/*
* Flags inherited by ddt, gang, and vdev children.
*/
- ZIO_FLAG_CANFAIL = 1 << 6, /* must be first for INHERIT */
- ZIO_FLAG_SPECULATIVE = 1 << 7,
- ZIO_FLAG_CONFIG_WRITER = 1 << 8,
- ZIO_FLAG_DONT_RETRY = 1 << 9,
- ZIO_FLAG_DONT_CACHE = 1 << 10,
- ZIO_FLAG_NODATA = 1 << 11,
- ZIO_FLAG_INDUCE_DAMAGE = 1 << 12,
+ ZIO_FLAG_CANFAIL = 1 << 7, /* must be first for INHERIT */
+ ZIO_FLAG_SPECULATIVE = 1 << 8,
+ ZIO_FLAG_CONFIG_WRITER = 1 << 9,
+ ZIO_FLAG_DONT_RETRY = 1 << 10,
+ ZIO_FLAG_DONT_CACHE = 1 << 11,
+ ZIO_FLAG_NODATA = 1 << 12,
+ ZIO_FLAG_INDUCE_DAMAGE = 1 << 13,
#define ZIO_FLAG_DDT_INHERIT (ZIO_FLAG_IO_RETRY - 1)
#define ZIO_FLAG_GANG_INHERIT (ZIO_FLAG_IO_RETRY - 1)
/*
* Flags inherited by vdev children.
*/
- ZIO_FLAG_IO_RETRY = 1 << 13, /* must be first for INHERIT */
- ZIO_FLAG_PROBE = 1 << 14,
- ZIO_FLAG_TRYHARD = 1 << 15,
- ZIO_FLAG_OPTIONAL = 1 << 16,
+ ZIO_FLAG_IO_RETRY = 1 << 14, /* must be first for INHERIT */
+ ZIO_FLAG_PROBE = 1 << 15,
+ ZIO_FLAG_TRYHARD = 1 << 16,
+ ZIO_FLAG_OPTIONAL = 1 << 17,
#define ZIO_FLAG_VDEV_INHERIT (ZIO_FLAG_DONT_QUEUE - 1)
/*
* Flags not inherited by any children.
*/
- ZIO_FLAG_DONT_QUEUE = 1 << 17, /* must be first for INHERIT */
- ZIO_FLAG_DONT_PROPAGATE = 1 << 18,
- ZIO_FLAG_IO_BYPASS = 1 << 19,
- ZIO_FLAG_IO_REWRITE = 1 << 20,
- ZIO_FLAG_RAW = 1 << 21,
- ZIO_FLAG_GANG_CHILD = 1 << 22,
- ZIO_FLAG_DDT_CHILD = 1 << 23,
- ZIO_FLAG_GODFATHER = 1 << 24,
- ZIO_FLAG_NOPWRITE = 1 << 25,
- ZIO_FLAG_REEXECUTED = 1 << 26,
- ZIO_FLAG_DELEGATED = 1 << 27,
- ZIO_FLAG_FASTWRITE = 1 << 28
+ ZIO_FLAG_DONT_QUEUE = 1 << 18, /* must be first for INHERIT */
+ ZIO_FLAG_DONT_PROPAGATE = 1 << 19,
+ ZIO_FLAG_IO_BYPASS = 1 << 20,
+ ZIO_FLAG_IO_REWRITE = 1 << 21,
+ ZIO_FLAG_RAW = 1 << 22,
+ ZIO_FLAG_GANG_CHILD = 1 << 23,
+ ZIO_FLAG_DDT_CHILD = 1 << 24,
+ ZIO_FLAG_GODFATHER = 1 << 25,
+ ZIO_FLAG_NOPWRITE = 1 << 26,
+ ZIO_FLAG_REEXECUTED = 1 << 27,
+ ZIO_FLAG_DELEGATED = 1 << 28,
+ ZIO_FLAG_FASTWRITE = 1 << 29,
};
#define ZIO_FLAG_MUSTSUCCEED 0
* Note: this structure is called a bookmark because its original purpose
* was to remember where to resume a pool-wide traverse.
*
- * Note: this structure is passed between userland and the kernel.
- * Therefore it must not change size or alignment between 32/64 bit
- * compilation options.
+ * Note: this structure is passed between userland and the kernel, and is
+ * stored on disk (by virtue of being incorporated into other on-disk
+ * structures, e.g. dsl_scan_phys_t).
*/
-struct zbookmark {
+struct zbookmark_phys {
uint64_t zb_objset;
uint64_t zb_object;
int64_t zb_level;
uint64_t zb_blkid;
- char * zb_func;
};
#define SET_BOOKMARK(zb, objset, object, level, blkid) \
(zb)->zb_object = object; \
(zb)->zb_level = level; \
(zb)->zb_blkid = blkid; \
- (zb)->zb_func = FTAG; \
}
#define ZB_DESTROYED_OBJSET (-1ULL)
struct zio {
/* Core information about this I/O */
- zbookmark_t io_bookmark;
+ zbookmark_phys_t io_bookmark;
zio_prop_t io_prop;
zio_type_t io_type;
enum zio_child io_child_type;
extern zio_t *zio_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, void *data,
uint64_t size, zio_done_func_t *done, void *private,
- zio_priority_t priority, enum zio_flag flags, const zbookmark_t *zb);
+ zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb);
extern zio_t *zio_write(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
void *data, uint64_t size, const zio_prop_t *zp,
zio_done_func_t *ready, zio_done_func_t *physdone, zio_done_func_t *done,
void *private,
- zio_priority_t priority, enum zio_flag flags, const zbookmark_t *zb);
+ zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb);
extern zio_t *zio_rewrite(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
void *data, uint64_t size, zio_done_func_t *done, void *private,
- zio_priority_t priority, enum zio_flag flags, zbookmark_t *zb);
+ zio_priority_t priority, enum zio_flag flags, zbookmark_phys_t *zb);
extern void zio_write_override(zio_t *zio, blkptr_t *bp, int copies,
boolean_t nopwrite);
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 *);
/* Called from spa_sync(), but primarily an injection handler */
extern void spa_handle_ignored_writes(spa_t *spa);
-/* zbookmark functions */
+/* zbookmark_phys functions */
boolean_t zbookmark_is_before(const struct dnode_phys *dnp,
- const zbookmark_t *zb1, const zbookmark_t *zb2);
+ const zbookmark_phys_t *zb1, const zbookmark_phys_t *zb2);
#ifdef __cplusplus
}
projects / mirror_zfs-debian.git / blobdiff