X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Finclude%2Fsys%2Farc.h;h=6e5955b7cfaa07ce2011bfd966dda6e00c506c37;hb=9babb37438b58e77bad04e820d5702e15b79e6a6;hp=749bf53e5b5e8fb978bbaf8b2dee1cb5894dd3be;hpb=172bb4bd5e4afef721dd4d2972d8680d983f144b;p=zfs.git diff --git a/module/zfs/include/sys/arc.h b/module/zfs/include/sys/arc.h index 749bf53..6e5955b 100644 --- a/module/zfs/include/sys/arc.h +++ b/module/zfs/include/sys/arc.h @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -68,12 +68,25 @@ typedef enum arc_buf_contents { #define ARC_CACHED (1 << 4) /* I/O was already in cache */ #define ARC_L2CACHE (1 << 5) /* cache in L2ARC */ -void arc_space_consume(uint64_t space); -void arc_space_return(uint64_t space); +/* + * The following breakdows of arc_size exist for kstat only. + */ +typedef enum arc_space_type { + ARC_SPACE_DATA, + ARC_SPACE_HDRS, + ARC_SPACE_L2HDRS, + ARC_SPACE_OTHER, + ARC_SPACE_NUMTYPES +} arc_space_type_t; + +void arc_space_consume(uint64_t space, arc_space_type_t type); +void arc_space_return(uint64_t space, arc_space_type_t type); void *arc_data_buf_alloc(uint64_t space); void arc_data_buf_free(void *buf, uint64_t space); 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_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); @@ -123,7 +136,7 @@ void arc_fini(void); * Level 2 ARC */ -void l2arc_add_vdev(spa_t *spa, vdev_t *vd, uint64_t start, uint64_t end); +void l2arc_add_vdev(spa_t *spa, vdev_t *vd); void l2arc_remove_vdev(vdev_t *vd); boolean_t l2arc_vdev_present(vdev_t *vd); void l2arc_init(void);