X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Finclude%2Fsys%2Farc.h;h=8f189c62d31dd417314ad4057939c0d2189059bb;hb=572e285762521df27fe5b026f409ba1a21abb7ac;hp=6e5955b7cfaa07ce2011bfd966dda6e00c506c37;hpb=9babb37438b58e77bad04e820d5702e15b79e6a6;p=zfs.git diff --git a/module/zfs/include/sys/arc.h b/module/zfs/include/sys/arc.h index 6e5955b..8f189c6 100644 --- a/module/zfs/include/sys/arc.h +++ b/module/zfs/include/sys/arc.h @@ -19,8 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2009 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. */ #ifndef _SYS_ARC_H @@ -48,7 +47,8 @@ arc_done_func_t arc_getbuf_func; struct arc_buf { arc_buf_hdr_t *b_hdr; arc_buf_t *b_next; - krwlock_t b_lock; + kmutex_t b_evict_lock; + krwlock_t b_data_lock; void *b_data; arc_evict_func_t *b_efunc; void *b_private; @@ -87,10 +87,13 @@ arc_buf_t *arc_buf_alloc(spa_t *spa, int size, void *tag, arc_buf_contents_t type); arc_buf_t *arc_loan_buf(spa_t *spa, int size); void arc_return_buf(arc_buf_t *buf, void *tag); +void arc_loan_inuse_buf(arc_buf_t *buf, void *tag); void arc_buf_add_ref(arc_buf_t *buf, void *tag); int arc_buf_remove_ref(arc_buf_t *buf, void *tag); int arc_buf_size(arc_buf_t *buf); void arc_release(arc_buf_t *buf, void *tag); +int arc_release_bp(arc_buf_t *buf, void *tag, blkptr_t *bp, spa_t *spa, + zbookmark_t *zb); int arc_released(arc_buf_t *buf); int arc_has_callback(arc_buf_t *buf); void arc_buf_freeze(arc_buf_t *buf); @@ -99,28 +102,16 @@ void arc_buf_thaw(arc_buf_t *buf); int arc_referenced(arc_buf_t *buf); #endif -typedef struct writeprops { - dmu_object_type_t wp_type; - uint8_t wp_level; - uint8_t wp_copies; - uint8_t wp_dncompress, wp_oscompress; - uint8_t wp_dnchecksum, wp_oschecksum; -} writeprops_t; - -void write_policy(spa_t *spa, const writeprops_t *wp, zio_prop_t *zp); -int arc_read(zio_t *pio, spa_t *spa, blkptr_t *bp, arc_buf_t *pbuf, +int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_buf_t *pbuf, arc_done_func_t *done, void *private, int priority, int zio_flags, uint32_t *arc_flags, const zbookmark_t *zb); -int arc_read_nolock(zio_t *pio, spa_t *spa, blkptr_t *bp, +int arc_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_done_func_t *done, void *private, int priority, int flags, uint32_t *arc_flags, const zbookmark_t *zb); -zio_t *arc_write(zio_t *pio, spa_t *spa, const writeprops_t *wp, - boolean_t l2arc, uint64_t txg, blkptr_t *bp, arc_buf_t *buf, - arc_done_func_t *ready, arc_done_func_t *done, void *private, int priority, - int zio_flags, const zbookmark_t *zb); -int arc_free(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp, - zio_done_func_t *done, void *private, uint32_t arc_flags); -int arc_tryread(spa_t *spa, blkptr_t *bp, void *data); +zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg, + blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, const zio_prop_t *zp, + arc_done_func_t *ready, arc_done_func_t *done, void *private, + int priority, int zio_flags, const zbookmark_t *zb); void arc_set_callback(arc_buf_t *buf, arc_evict_func_t *func, void *private); int arc_buf_evict(arc_buf_t *buf);