| arc.h (332785) | arc.h (339034) |
|---|---|
| 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 44 unchanged lines hidden (view full) --- 53 (hdr)->b_psize = ((x) >> SPA_MINBLOCKSHIFT); \ 54_NOTE(CONSTCOND) } while (0) 55 56#define HDR_GET_LSIZE(hdr) ((hdr)->b_lsize << SPA_MINBLOCKSHIFT) 57#define HDR_GET_PSIZE(hdr) ((hdr)->b_psize << SPA_MINBLOCKSHIFT) 58 59typedef struct arc_buf_hdr arc_buf_hdr_t; 60typedef struct arc_buf arc_buf_t; | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 44 unchanged lines hidden (view full) --- 53 (hdr)->b_psize = ((x) >> SPA_MINBLOCKSHIFT); \ 54_NOTE(CONSTCOND) } while (0) 55 56#define HDR_GET_LSIZE(hdr) ((hdr)->b_lsize << SPA_MINBLOCKSHIFT) 57#define HDR_GET_PSIZE(hdr) ((hdr)->b_psize << SPA_MINBLOCKSHIFT) 58 59typedef struct arc_buf_hdr arc_buf_hdr_t; 60typedef struct arc_buf arc_buf_t; |
| 61typedef void arc_done_func_t(zio_t *zio, arc_buf_t *buf, void *priv); | 61typedef void arc_read_done_func_t(zio_t *zio, const zbookmark_phys_t *zb, 62 const blkptr_t *bp, arc_buf_t *buf, void *priv); 63typedef void arc_write_done_func_t(zio_t *zio, arc_buf_t *buf, void *priv); |
| 62 63/* generic arc_done_func_t's which you can use */ | 64 65/* generic arc_done_func_t's which you can use */ |
| 64arc_done_func_t arc_bcopy_func; 65arc_done_func_t arc_getbuf_func; | 66arc_read_done_func_t arc_bcopy_func; 67arc_read_done_func_t arc_getbuf_func; |
| 66 67typedef enum arc_flags 68{ 69 /* 70 * Public flags that can be passed into the ARC by external consumers. 71 */ 72 ARC_FLAG_WAIT = 1 << 0, /* perform sync I/O */ 73 ARC_FLAG_NOWAIT = 1 << 1, /* perform async I/O */ 74 ARC_FLAG_PREFETCH = 1 << 2, /* I/O is a prefetch */ 75 ARC_FLAG_CACHED = 1 << 3, /* I/O was in cache */ 76 ARC_FLAG_L2CACHE = 1 << 4, /* cache in L2ARC */ 77 ARC_FLAG_PREDICTIVE_PREFETCH = 1 << 5, /* I/O from zfetch */ | 68 69typedef enum arc_flags 70{ 71 /* 72 * Public flags that can be passed into the ARC by external consumers. 73 */ 74 ARC_FLAG_WAIT = 1 << 0, /* perform sync I/O */ 75 ARC_FLAG_NOWAIT = 1 << 1, /* perform async I/O */ 76 ARC_FLAG_PREFETCH = 1 << 2, /* I/O is a prefetch */ 77 ARC_FLAG_CACHED = 1 << 3, /* I/O was in cache */ 78 ARC_FLAG_L2CACHE = 1 << 4, /* cache in L2ARC */ 79 ARC_FLAG_PREDICTIVE_PREFETCH = 1 << 5, /* I/O from zfetch */ |
| 80 ARC_FLAG_PRESCIENT_PREFETCH = 1 << 6, /* long min lifespan */ |
|
| 78 79 /* 80 * Private ARC flags. These flags are private ARC only flags that 81 * will show up in b_flags in the arc_hdr_buf_t. These flags should 82 * only be set by ARC code. 83 */ | 81 82 /* 83 * Private ARC flags. These flags are private ARC only flags that 84 * will show up in b_flags in the arc_hdr_buf_t. These flags should 85 * only be set by ARC code. 86 */ |
| 84 ARC_FLAG_IN_HASH_TABLE = 1 << 6, /* buffer is hashed */ 85 ARC_FLAG_IO_IN_PROGRESS = 1 << 7, /* I/O in progress */ 86 ARC_FLAG_IO_ERROR = 1 << 8, /* I/O failed for buf */ 87 ARC_FLAG_INDIRECT = 1 << 9, /* indirect block */ | 87 ARC_FLAG_IN_HASH_TABLE = 1 << 7, /* buffer is hashed */ 88 ARC_FLAG_IO_IN_PROGRESS = 1 << 8, /* I/O in progress */ 89 ARC_FLAG_IO_ERROR = 1 << 9, /* I/O failed for buf */ 90 ARC_FLAG_INDIRECT = 1 << 10, /* indirect block */ |
| 88 /* Indicates that block was read with ASYNC priority. */ | 91 /* Indicates that block was read with ASYNC priority. */ |
| 89 ARC_FLAG_PRIO_ASYNC_READ = 1 << 10, 90 ARC_FLAG_L2_WRITING = 1 << 11, /* write in progress */ 91 ARC_FLAG_L2_EVICTED = 1 << 12, /* evicted during I/O */ 92 ARC_FLAG_L2_WRITE_HEAD = 1 << 13, /* head of write list */ | 92 ARC_FLAG_PRIO_ASYNC_READ = 1 << 11, 93 ARC_FLAG_L2_WRITING = 1 << 12, /* write in progress */ 94 ARC_FLAG_L2_EVICTED = 1 << 13, /* evicted during I/O */ 95 ARC_FLAG_L2_WRITE_HEAD = 1 << 14, /* head of write list */ |
| 93 /* indicates that the buffer contains metadata (otherwise, data) */ | 96 /* indicates that the buffer contains metadata (otherwise, data) */ |
| 94 ARC_FLAG_BUFC_METADATA = 1 << 14, | 97 ARC_FLAG_BUFC_METADATA = 1 << 15, |
| 95 96 /* Flags specifying whether optional hdr struct fields are defined */ | 98 99 /* Flags specifying whether optional hdr struct fields are defined */ |
| 97 ARC_FLAG_HAS_L1HDR = 1 << 15, 98 ARC_FLAG_HAS_L2HDR = 1 << 16, | 100 ARC_FLAG_HAS_L1HDR = 1 << 16, 101 ARC_FLAG_HAS_L2HDR = 1 << 17, |
| 99 100 /* 101 * Indicates the arc_buf_hdr_t's b_pdata matches the on-disk data. 102 * This allows the l2arc to use the blkptr's checksum to verify 103 * the data without having to store the checksum in the hdr. 104 */ | 102 103 /* 104 * Indicates the arc_buf_hdr_t's b_pdata matches the on-disk data. 105 * This allows the l2arc to use the blkptr's checksum to verify 106 * the data without having to store the checksum in the hdr. 107 */ |
| 105 ARC_FLAG_COMPRESSED_ARC = 1 << 17, 106 ARC_FLAG_SHARED_DATA = 1 << 18, | 108 ARC_FLAG_COMPRESSED_ARC = 1 << 18, 109 ARC_FLAG_SHARED_DATA = 1 << 19, |
| 107 108 /* 109 * The arc buffer's compression mode is stored in the top 7 bits of the 110 * flags field, so these dummy flags are included so that MDB can 111 * interpret the enum properly. 112 */ 113 ARC_FLAG_COMPRESS_0 = 1 << 24, 114 ARC_FLAG_COMPRESS_1 = 1 << 25, --- 59 unchanged lines hidden (view full) --- 174int arc_released(arc_buf_t *buf); 175void arc_buf_freeze(arc_buf_t *buf); 176void arc_buf_thaw(arc_buf_t *buf); 177#ifdef ZFS_DEBUG 178int arc_referenced(arc_buf_t *buf); 179#endif 180 181int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, | 110 111 /* 112 * The arc buffer's compression mode is stored in the top 7 bits of the 113 * flags field, so these dummy flags are included so that MDB can 114 * interpret the enum properly. 115 */ 116 ARC_FLAG_COMPRESS_0 = 1 << 24, 117 ARC_FLAG_COMPRESS_1 = 1 << 25, --- 59 unchanged lines hidden (view full) --- 177int arc_released(arc_buf_t *buf); 178void arc_buf_freeze(arc_buf_t *buf); 179void arc_buf_thaw(arc_buf_t *buf); 180#ifdef ZFS_DEBUG 181int arc_referenced(arc_buf_t *buf); 182#endif 183 184int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, |
| 182 arc_done_func_t *done, void *priv, zio_priority_t priority, int flags, 183 arc_flags_t *arc_flags, const zbookmark_phys_t *zb); | 185 arc_read_done_func_t *done, void *priv, zio_priority_t priority, 186 int flags, arc_flags_t *arc_flags, const zbookmark_phys_t *zb); |
| 184zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg, 185 blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, const zio_prop_t *zp, | 187zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg, 188 blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, const zio_prop_t *zp, |
| 186 arc_done_func_t *ready, arc_done_func_t *child_ready, 187 arc_done_func_t *physdone, arc_done_func_t *done, | 189 arc_write_done_func_t *ready, arc_write_done_func_t *child_ready, 190 arc_write_done_func_t *physdone, arc_write_done_func_t *done, |
| 188 void *priv, zio_priority_t priority, int zio_flags, 189 const zbookmark_phys_t *zb); 190void arc_freed(spa_t *spa, const blkptr_t *bp); 191 192void arc_flush(spa_t *spa, boolean_t retry); 193void arc_tempreserve_clear(uint64_t reserve); 194int arc_tempreserve_space(uint64_t reserve, uint64_t txg); 195 --- 28 unchanged lines hidden --- | 191 void *priv, zio_priority_t priority, int zio_flags, 192 const zbookmark_phys_t *zb); 193void arc_freed(spa_t *spa, const blkptr_t *bp); 194 195void arc_flush(spa_t *spa, boolean_t retry); 196void arc_tempreserve_clear(uint64_t reserve); 197int arc_tempreserve_space(uint64_t reserve, uint64_t txg); 198 --- 28 unchanged lines hidden --- |