X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Finclude%2Fsys%2Fvdev_impl.h;h=8240b66ac9a9e8b826f2493c7c9fcab5e0626c59;hb=9babb37438b58e77bad04e820d5702e15b79e6a6;hp=65234934188b1c4fd7c4510fd63fa72f11fb45a2;hpb=d164b2093561a9771db07346e6fffc9ca19427a2;p=zfs.git diff --git a/module/zfs/include/sys/vdev_impl.h b/module/zfs/include/sys/vdev_impl.h index 6523493..8240b66 100644 --- a/module/zfs/include/sys/vdev_impl.h +++ b/module/zfs/include/sys/vdev_impl.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. */ @@ -113,6 +113,7 @@ struct vdev { uint64_t vdev_guid; /* unique ID for this vdev */ uint64_t vdev_guid_sum; /* self guid + all child guids */ uint64_t vdev_asize; /* allocatable device capacity */ + uint64_t vdev_min_asize; /* min acceptable asize */ uint64_t vdev_ashift; /* block alignment shift */ uint64_t vdev_state; /* see VDEV_STATE_* #defines */ uint64_t vdev_prevstate; /* used when reopening a vdev */ @@ -125,6 +126,7 @@ struct vdev { uint64_t vdev_children; /* number of children */ space_map_t vdev_dtl[DTL_TYPES]; /* in-core dirty time logs */ vdev_stat_t vdev_stat; /* virtual device statistics */ + boolean_t vdev_expanding; /* expand the vdev? */ /* * Top-level vdev state. @@ -159,6 +161,7 @@ struct vdev { char *vdev_path; /* vdev path (if any) */ char *vdev_devid; /* vdev devid (if any) */ char *vdev_physpath; /* vdev device path (if any) */ + char *vdev_fru; /* physical FRU location */ uint64_t vdev_not_present; /* not present during import */ uint64_t vdev_unspare; /* unspare when resilvering done */ hrtime_t vdev_last_try; /* last reopen time */ @@ -188,8 +191,9 @@ struct vdev { kmutex_t vdev_probe_lock; /* protects vdev_probe_zio */ }; -#define VDEV_SKIP_SIZE (8 << 10) -#define VDEV_BOOT_HEADER_SIZE (8 << 10) +#define VDEV_PAD_SIZE (8 << 10) +/* 2 padding areas (vl_pad1 and vl_pad2) to skip */ +#define VDEV_SKIP_SIZE VDEV_PAD_SIZE * 2 #define VDEV_PHYS_SIZE (112 << 10) #define VDEV_UBERBLOCK_RING (128 << 10) @@ -201,26 +205,14 @@ struct vdev { offsetof(vdev_label_t, vl_uberblock[(n) << VDEV_UBERBLOCK_SHIFT(vd)]) #define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd)) -/* ZFS boot block */ -#define VDEV_BOOT_MAGIC 0x2f5b007b10cULL -#define VDEV_BOOT_VERSION 1 /* version number */ - -typedef struct vdev_boot_header { - uint64_t vb_magic; /* VDEV_BOOT_MAGIC */ - uint64_t vb_version; /* VDEV_BOOT_VERSION */ - uint64_t vb_offset; /* start offset (bytes) */ - uint64_t vb_size; /* size (bytes) */ - char vb_pad[VDEV_BOOT_HEADER_SIZE - 4 * sizeof (uint64_t)]; -} vdev_boot_header_t; - typedef struct vdev_phys { char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_block_tail_t)]; zio_block_tail_t vp_zbt; } vdev_phys_t; typedef struct vdev_label { - char vl_pad[VDEV_SKIP_SIZE]; /* 8K */ - vdev_boot_header_t vl_boot_header; /* 8K */ + char vl_pad1[VDEV_PAD_SIZE]; /* 8K */ + char vl_pad2[VDEV_PAD_SIZE]; /* 8K */ vdev_phys_t vl_vdev_phys; /* 112K */ char vl_uberblock[VDEV_UBERBLOCK_RING]; /* 128K */ } vdev_label_t; /* 256K total */ @@ -249,6 +241,7 @@ typedef struct vdev_label { #define VDEV_ALLOC_ADD 1 #define VDEV_ALLOC_SPARE 2 #define VDEV_ALLOC_L2CACHE 3 +#define VDEV_ALLOC_ROOTPOOL 4 /* * Allocate or free a vdev @@ -269,6 +262,7 @@ extern void vdev_remove_parent(vdev_t *cvd); /* * vdev sync load and sync */ +extern void vdev_load_log_state(vdev_t *vd, nvlist_t *nv); extern void vdev_load(vdev_t *vd); extern void vdev_sync(vdev_t *vd, uint64_t txg); extern void vdev_sync_done(vdev_t *vd, uint64_t txg); @@ -290,7 +284,8 @@ extern vdev_ops_t vdev_spare_ops; * Common size functions */ extern uint64_t vdev_default_asize(vdev_t *vd, uint64_t psize); -extern uint64_t vdev_get_rsize(vdev_t *vd); +extern uint64_t vdev_get_min_asize(vdev_t *vd); +extern void vdev_set_min_asize(vdev_t *vd); /* * zdb uses this tunable, so it must be declared here to make lint happy.