^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2016 Oracle. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Author: Darrick J. Wong <darrick.wong@oracle.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include "xfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include "xfs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "xfs_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "xfs_log_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "xfs_trans_resv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "xfs_bit.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "xfs_shared.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "xfs_mount.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "xfs_defer.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "xfs_trans.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "xfs_trans_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "xfs_rmap_item.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "xfs_log.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "xfs_rmap.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "xfs_error.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "xfs_log_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "xfs_log_recover.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) kmem_zone_t *xfs_rui_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) kmem_zone_t *xfs_rud_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static const struct xfs_item_ops xfs_rui_item_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline struct xfs_rui_log_item *RUI_ITEM(struct xfs_log_item *lip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) return container_of(lip, struct xfs_rui_log_item, rui_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) xfs_rui_item_free(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct xfs_rui_log_item *ruip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (ruip->rui_format.rui_nextents > XFS_RUI_MAX_FAST_EXTENTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) kmem_free(ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) kmem_cache_free(xfs_rui_zone, ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * Freeing the RUI requires that we remove it from the AIL if it has already
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * been placed there. However, the RUI may not yet have been placed in the AIL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * when called by xfs_rui_release() from RUD processing due to the ordering of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * committed vs unpin operations in bulk insert operations. Hence the reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * count to ensure only the last caller frees the RUI.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) xfs_rui_release(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct xfs_rui_log_item *ruip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ASSERT(atomic_read(&ruip->rui_refcount) > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (atomic_dec_and_test(&ruip->rui_refcount)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) xfs_trans_ail_delete(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) xfs_rui_item_free(ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) xfs_rui_item_size(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int *nvecs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) int *nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) *nvecs += 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) *nbytes += xfs_rui_log_format_sizeof(ruip->rui_format.rui_nextents);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * This is called to fill in the vector of log iovecs for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * given rui log item. We use only 1 iovec, and we point that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * at the rui_log_format structure embedded in the rui item.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * It is at this point that we assert that all of the extent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * slots in the rui item have been filled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) xfs_rui_item_format(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct xfs_log_vec *lv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct xfs_log_iovec *vecp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ASSERT(atomic_read(&ruip->rui_next_extent) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ruip->rui_format.rui_nextents);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) ruip->rui_format.rui_type = XFS_LI_RUI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) ruip->rui_format.rui_size = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUI_FORMAT, &ruip->rui_format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) xfs_rui_log_format_sizeof(ruip->rui_format.rui_nextents));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * The unpin operation is the last place an RUI is manipulated in the log. It is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * either inserted in the AIL or aborted in the event of a log I/O error. In
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * either case, the RUI transaction has been successfully committed to make it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * this far. Therefore, we expect whoever committed the RUI to either construct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * and commit the RUD or drop the RUD's reference in the event of error. Simply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * drop the log's RUI reference now that the log is done with it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) xfs_rui_item_unpin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int remove)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) xfs_rui_release(ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * The RUI has been either committed or aborted if the transaction has been
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * cancelled. If the transaction was cancelled, an RUD isn't going to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * constructed and thus we free the RUI here directly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) xfs_rui_item_release(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct xfs_log_item *lip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) xfs_rui_release(RUI_ITEM(lip));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * Allocate and initialize an rui item with the given number of extents.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) STATIC struct xfs_rui_log_item *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) xfs_rui_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) uint nextents)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct xfs_rui_log_item *ruip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ASSERT(nextents > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) ruip = kmem_cache_zalloc(xfs_rui_zone,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) GFP_KERNEL | __GFP_NOFAIL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ruip->rui_format.rui_nextents = nextents;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) ruip->rui_format.rui_id = (uintptr_t)(void *)ruip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) atomic_set(&ruip->rui_next_extent, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) atomic_set(&ruip->rui_refcount, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return ruip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) * Copy an RUI format buffer from the given buf, and into the destination
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * RUI format structure. The RUI/RUD items were designed not to need any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * special alignment handling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) xfs_rui_copy_format(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct xfs_log_iovec *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct xfs_rui_log_format *dst_rui_fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct xfs_rui_log_format *src_rui_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) uint len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) src_rui_fmt = buf->i_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) len = xfs_rui_log_format_sizeof(src_rui_fmt->rui_nextents);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (buf->i_len != len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) memcpy(dst_rui_fmt, src_rui_fmt, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static inline struct xfs_rud_log_item *RUD_ITEM(struct xfs_log_item *lip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return container_of(lip, struct xfs_rud_log_item, rud_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) xfs_rud_item_size(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) int *nvecs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int *nbytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) *nvecs += 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) *nbytes += sizeof(struct xfs_rud_log_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * This is called to fill in the vector of log iovecs for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * given rud log item. We use only 1 iovec, and we point that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * at the rud_log_format structure embedded in the rud item.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * It is at this point that we assert that all of the extent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * slots in the rud item have been filled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) xfs_rud_item_format(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct xfs_log_vec *lv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct xfs_rud_log_item *rudp = RUD_ITEM(lip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct xfs_log_iovec *vecp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) rudp->rud_format.rud_type = XFS_LI_RUD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) rudp->rud_format.rud_size = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUD_FORMAT, &rudp->rud_format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) sizeof(struct xfs_rud_log_format));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * The RUD is either committed or aborted if the transaction is cancelled. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * the transaction is cancelled, drop our reference to the RUI and free the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * RUD.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) xfs_rud_item_release(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) struct xfs_log_item *lip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) struct xfs_rud_log_item *rudp = RUD_ITEM(lip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) xfs_rui_release(rudp->rud_ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) kmem_cache_free(xfs_rud_zone, rudp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static const struct xfs_item_ops xfs_rud_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .flags = XFS_ITEM_RELEASE_WHEN_COMMITTED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .iop_size = xfs_rud_item_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .iop_format = xfs_rud_item_format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .iop_release = xfs_rud_item_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static struct xfs_rud_log_item *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) xfs_trans_get_rud(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct xfs_rui_log_item *ruip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct xfs_rud_log_item *rudp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) rudp = kmem_cache_zalloc(xfs_rud_zone, GFP_KERNEL | __GFP_NOFAIL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) xfs_log_item_init(tp->t_mountp, &rudp->rud_item, XFS_LI_RUD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) &xfs_rud_item_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) rudp->rud_ruip = ruip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) rudp->rud_format.rud_rui_id = ruip->rui_format.rui_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) xfs_trans_add_item(tp, &rudp->rud_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return rudp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) /* Set the map extent flags for this reverse mapping. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) xfs_trans_set_rmap_flags(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) struct xfs_map_extent *rmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) enum xfs_rmap_intent_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) int whichfork,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) xfs_exntst_t state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) rmap->me_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) if (state == XFS_EXT_UNWRITTEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) rmap->me_flags |= XFS_RMAP_EXTENT_UNWRITTEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (whichfork == XFS_ATTR_FORK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) rmap->me_flags |= XFS_RMAP_EXTENT_ATTR_FORK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) case XFS_RMAP_MAP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) rmap->me_flags |= XFS_RMAP_EXTENT_MAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) case XFS_RMAP_MAP_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) rmap->me_flags |= XFS_RMAP_EXTENT_MAP_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) case XFS_RMAP_UNMAP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) case XFS_RMAP_UNMAP_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) case XFS_RMAP_CONVERT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) case XFS_RMAP_CONVERT_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) case XFS_RMAP_ALLOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) rmap->me_flags |= XFS_RMAP_EXTENT_ALLOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) case XFS_RMAP_FREE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) rmap->me_flags |= XFS_RMAP_EXTENT_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ASSERT(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) * Finish an rmap update and log it to the RUD. Note that the transaction is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) * marked dirty regardless of whether the rmap update succeeds or fails to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) * support the RUI/RUD lifecycle rules.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) xfs_trans_log_finish_rmap_update(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct xfs_rud_log_item *rudp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) enum xfs_rmap_intent_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) uint64_t owner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) int whichfork,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) xfs_fileoff_t startoff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) xfs_fsblock_t startblock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) xfs_filblks_t blockcount,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) xfs_exntst_t state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct xfs_btree_cur **pcur)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) error = xfs_rmap_finish_one(tp, type, owner, whichfork, startoff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) startblock, blockcount, state, pcur);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) * Mark the transaction dirty, even on error. This ensures the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * transaction is aborted, which:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * 1.) releases the RUI and frees the RUD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * 2.) shuts down the filesystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) tp->t_flags |= XFS_TRANS_DIRTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) set_bit(XFS_LI_DIRTY, &rudp->rud_item.li_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) /* Sort rmap intents by AG. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) xfs_rmap_update_diff_items(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct list_head *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) struct list_head *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) struct xfs_mount *mp = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct xfs_rmap_intent *ra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) struct xfs_rmap_intent *rb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) ra = container_of(a, struct xfs_rmap_intent, ri_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) rb = container_of(b, struct xfs_rmap_intent, ri_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return XFS_FSB_TO_AGNO(mp, ra->ri_bmap.br_startblock) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) XFS_FSB_TO_AGNO(mp, rb->ri_bmap.br_startblock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) /* Log rmap updates in the intent item. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) xfs_rmap_update_log_item(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) struct xfs_rui_log_item *ruip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) struct xfs_rmap_intent *rmap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) uint next_extent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) struct xfs_map_extent *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) tp->t_flags |= XFS_TRANS_DIRTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) set_bit(XFS_LI_DIRTY, &ruip->rui_item.li_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) * atomic_inc_return gives us the value after the increment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) * we want to use it as an array index so we need to subtract 1 from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) * it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) next_extent = atomic_inc_return(&ruip->rui_next_extent) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) ASSERT(next_extent < ruip->rui_format.rui_nextents);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) map = &ruip->rui_format.rui_extents[next_extent];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) map->me_owner = rmap->ri_owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) map->me_startblock = rmap->ri_bmap.br_startblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) map->me_startoff = rmap->ri_bmap.br_startoff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) map->me_len = rmap->ri_bmap.br_blockcount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) xfs_trans_set_rmap_flags(map, rmap->ri_type, rmap->ri_whichfork,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) rmap->ri_bmap.br_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) static struct xfs_log_item *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) xfs_rmap_update_create_intent(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) struct list_head *items,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) unsigned int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) bool sort)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) struct xfs_mount *mp = tp->t_mountp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) struct xfs_rui_log_item *ruip = xfs_rui_init(mp, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) struct xfs_rmap_intent *rmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) ASSERT(count > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) xfs_trans_add_item(tp, &ruip->rui_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (sort)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) list_sort(mp, items, xfs_rmap_update_diff_items);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) list_for_each_entry(rmap, items, ri_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) xfs_rmap_update_log_item(tp, ruip, rmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return &ruip->rui_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) /* Get an RUD so we can process all the deferred rmap updates. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) static struct xfs_log_item *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) xfs_rmap_update_create_done(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) struct xfs_log_item *intent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) unsigned int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) return &xfs_trans_get_rud(tp, RUI_ITEM(intent))->rud_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /* Process a deferred rmap update. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) xfs_rmap_update_finish_item(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) struct xfs_log_item *done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) struct list_head *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct xfs_btree_cur **state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) struct xfs_rmap_intent *rmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) rmap = container_of(item, struct xfs_rmap_intent, ri_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) error = xfs_trans_log_finish_rmap_update(tp, RUD_ITEM(done),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) rmap->ri_type, rmap->ri_owner, rmap->ri_whichfork,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) rmap->ri_bmap.br_startoff, rmap->ri_bmap.br_startblock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) rmap->ri_bmap.br_blockcount, rmap->ri_bmap.br_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) kmem_free(rmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) /* Abort all pending RUIs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) xfs_rmap_update_abort_intent(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct xfs_log_item *intent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) xfs_rui_release(RUI_ITEM(intent));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) /* Cancel a deferred rmap update. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) STATIC void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) xfs_rmap_update_cancel_item(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) struct list_head *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) struct xfs_rmap_intent *rmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) rmap = container_of(item, struct xfs_rmap_intent, ri_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) kmem_free(rmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) .max_items = XFS_RUI_MAX_FAST_EXTENTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) .create_intent = xfs_rmap_update_create_intent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) .abort_intent = xfs_rmap_update_abort_intent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) .create_done = xfs_rmap_update_create_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .finish_item = xfs_rmap_update_finish_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) .finish_cleanup = xfs_rmap_finish_one_cleanup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) .cancel_item = xfs_rmap_update_cancel_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) * Process an rmap update intent item that was recovered from the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) * We need to update the rmapbt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) xfs_rui_item_recover(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) struct list_head *capture_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) struct xfs_map_extent *rmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) struct xfs_rud_log_item *rudp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) struct xfs_trans *tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) struct xfs_btree_cur *rcur = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) struct xfs_mount *mp = lip->li_mountp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) xfs_fsblock_t startblock_fsb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) enum xfs_rmap_intent_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) xfs_exntst_t state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) bool op_ok;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) int whichfork;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) int error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) * First check the validity of the extents described by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) * RUI. If any are bad, then assume that all are bad and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) * just toss the RUI.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) for (i = 0; i < ruip->rui_format.rui_nextents; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) rmap = &ruip->rui_format.rui_extents[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) startblock_fsb = XFS_BB_TO_FSB(mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) XFS_FSB_TO_DADDR(mp, rmap->me_startblock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) case XFS_RMAP_EXTENT_MAP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) case XFS_RMAP_EXTENT_MAP_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) case XFS_RMAP_EXTENT_UNMAP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) case XFS_RMAP_EXTENT_UNMAP_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) case XFS_RMAP_EXTENT_CONVERT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) case XFS_RMAP_EXTENT_CONVERT_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) case XFS_RMAP_EXTENT_ALLOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) case XFS_RMAP_EXTENT_FREE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) op_ok = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) op_ok = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (!op_ok || startblock_fsb == 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) rmap->me_len == 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) startblock_fsb >= mp->m_sb.sb_dblocks ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) rmap->me_len >= mp->m_sb.sb_agblocks ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) (rmap->me_flags & ~XFS_RMAP_EXTENT_FLAGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) return -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) mp->m_rmap_maxlevels, 0, XFS_TRANS_RESERVE, &tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) rudp = xfs_trans_get_rud(tp, ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) for (i = 0; i < ruip->rui_format.rui_nextents; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) rmap = &ruip->rui_format.rui_extents[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) state = (rmap->me_flags & XFS_RMAP_EXTENT_UNWRITTEN) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) XFS_EXT_UNWRITTEN : XFS_EXT_NORM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) whichfork = (rmap->me_flags & XFS_RMAP_EXTENT_ATTR_FORK) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) XFS_ATTR_FORK : XFS_DATA_FORK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) case XFS_RMAP_EXTENT_MAP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) type = XFS_RMAP_MAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) case XFS_RMAP_EXTENT_MAP_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) type = XFS_RMAP_MAP_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) case XFS_RMAP_EXTENT_UNMAP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) type = XFS_RMAP_UNMAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) case XFS_RMAP_EXTENT_UNMAP_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) type = XFS_RMAP_UNMAP_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) case XFS_RMAP_EXTENT_CONVERT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) type = XFS_RMAP_CONVERT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) case XFS_RMAP_EXTENT_CONVERT_SHARED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) type = XFS_RMAP_CONVERT_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) case XFS_RMAP_EXTENT_ALLOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) type = XFS_RMAP_ALLOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) case XFS_RMAP_EXTENT_FREE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) type = XFS_RMAP_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) error = -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) goto abort_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) error = xfs_trans_log_finish_rmap_update(tp, rudp, type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) rmap->me_owner, whichfork,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) rmap->me_startoff, rmap->me_startblock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) rmap->me_len, state, &rcur);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) goto abort_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) xfs_rmap_finish_one_cleanup(tp, rcur, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) return xfs_defer_ops_capture_and_commit(tp, NULL, capture_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) abort_error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) xfs_rmap_finish_one_cleanup(tp, rcur, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) xfs_trans_cancel(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) STATIC bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) xfs_rui_item_match(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) uint64_t intent_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) return RUI_ITEM(lip)->rui_format.rui_id == intent_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) /* Relog an intent item to push the log tail forward. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) static struct xfs_log_item *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) xfs_rui_item_relog(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) struct xfs_log_item *intent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) struct xfs_trans *tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct xfs_rud_log_item *rudp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct xfs_rui_log_item *ruip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct xfs_map_extent *extp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) unsigned int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) count = RUI_ITEM(intent)->rui_format.rui_nextents;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) extp = RUI_ITEM(intent)->rui_format.rui_extents;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) tp->t_flags |= XFS_TRANS_DIRTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) rudp = xfs_trans_get_rud(tp, RUI_ITEM(intent));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) set_bit(XFS_LI_DIRTY, &rudp->rud_item.li_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) ruip = xfs_rui_init(tp->t_mountp, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) memcpy(ruip->rui_format.rui_extents, extp, count * sizeof(*extp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) atomic_set(&ruip->rui_next_extent, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) xfs_trans_add_item(tp, &ruip->rui_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) set_bit(XFS_LI_DIRTY, &ruip->rui_item.li_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) return &ruip->rui_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) static const struct xfs_item_ops xfs_rui_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) .iop_size = xfs_rui_item_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) .iop_format = xfs_rui_item_format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) .iop_unpin = xfs_rui_item_unpin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) .iop_release = xfs_rui_item_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) .iop_recover = xfs_rui_item_recover,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) .iop_match = xfs_rui_item_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) .iop_relog = xfs_rui_item_relog,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) * This routine is called to create an in-core extent rmap update
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) * item from the rui format structure which was logged on disk.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) * It allocates an in-core rui, copies the extents from the format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) * structure into it, and adds the rui to the AIL with the given
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) * LSN.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) xlog_recover_rui_commit_pass2(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) struct xlog *log,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) struct list_head *buffer_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) struct xlog_recover_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) xfs_lsn_t lsn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) struct xfs_mount *mp = log->l_mp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) struct xfs_rui_log_item *ruip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) struct xfs_rui_log_format *rui_formatp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) rui_formatp = item->ri_buf[0].i_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) ruip = xfs_rui_init(mp, rui_formatp->rui_nextents);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) error = xfs_rui_copy_format(&item->ri_buf[0], &ruip->rui_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) xfs_rui_item_free(ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) atomic_set(&ruip->rui_next_extent, rui_formatp->rui_nextents);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) * Insert the intent into the AIL directly and drop one reference so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) * that finishing or canceling the work will drop the other.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) xfs_trans_ail_insert(log->l_ailp, &ruip->rui_item, lsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) xfs_rui_release(ruip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) const struct xlog_recover_item_ops xlog_rui_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) .item_type = XFS_LI_RUI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) .commit_pass2 = xlog_recover_rui_commit_pass2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) * This routine is called when an RUD format structure is found in a committed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) * transaction in the log. Its purpose is to cancel the corresponding RUI if it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) * was still in the log. To do this it searches the AIL for the RUI with an id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) * equal to that in the RUD format structure. If we find it we drop the RUD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) * reference, which removes the RUI from the AIL and frees it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) xlog_recover_rud_commit_pass2(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) struct xlog *log,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) struct list_head *buffer_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) struct xlog_recover_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) xfs_lsn_t lsn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) struct xfs_rud_log_format *rud_formatp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) rud_formatp = item->ri_buf[0].i_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) ASSERT(item->ri_buf[0].i_len == sizeof(struct xfs_rud_log_format));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) xlog_recover_release_intent(log, XFS_LI_RUI, rud_formatp->rud_rui_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) const struct xlog_recover_item_ops xlog_rud_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) .item_type = XFS_LI_RUD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) .commit_pass2 = xlog_recover_rud_commit_pass2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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