From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org
Cc: Christoph Hellwig <hch@lst.de>, hch@lst.de, linux-xfs@vger.kernel.org
Subject: [PATCH 3/3] xfs: repair AGI unlinked inode bucket lists
Date: Tue, 26 Mar 2024 19:06:40 -0700 [thread overview]
Message-ID: <171150384762.3220168.5685488881460797695.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <171150384705.3220168.3647633643279321481.stgit@frogsfrogsfrogs>
From: Darrick J. Wong <djwong@kernel.org>
Teach the AGI repair code to rebuild the unlinked buckets and lists.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
| 774 ++++++++++++++++++++++++++++++++++++++++
fs/xfs/scrub/agino_bitmap.h | 49 +++
fs/xfs/scrub/trace.h | 255 +++++++++++++
3 files changed, 1074 insertions(+), 4 deletions(-)
create mode 100644 fs/xfs/scrub/agino_bitmap.h
--git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
index d210bd7d5eb13..0dbc484b182f9 100644
--- a/fs/xfs/scrub/agheader_repair.c
+++ b/fs/xfs/scrub/agheader_repair.c
@@ -21,13 +21,18 @@
#include "xfs_rmap_btree.h"
#include "xfs_refcount_btree.h"
#include "xfs_ag.h"
+#include "xfs_inode.h"
+#include "xfs_iunlink_item.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/trace.h"
#include "scrub/repair.h"
#include "scrub/bitmap.h"
#include "scrub/agb_bitmap.h"
+#include "scrub/agino_bitmap.h"
#include "scrub/reap.h"
+#include "scrub/xfile.h"
+#include "scrub/xfarray.h"
/* Superblock */
@@ -796,6 +801,8 @@ enum {
XREP_AGI_MAX
};
+#define XREP_AGI_LOOKUP_BATCH 32
+
struct xrep_agi {
struct xfs_scrub *sc;
@@ -807,8 +814,34 @@ struct xrep_agi {
/* old AGI contents in case we have to revert */
struct xfs_agi old_agi;
+
+ /* bitmap of which inodes are unlinked */
+ struct xagino_bitmap iunlink_bmp;
+
+ /* heads of the unlinked inode bucket lists */
+ xfs_agino_t iunlink_heads[XFS_AGI_UNLINKED_BUCKETS];
+
+ /* scratchpad for batched lookups of the radix tree */
+ struct xfs_inode *lookup_batch[XREP_AGI_LOOKUP_BATCH];
+
+ /* Map of ino -> next_ino for unlinked inode processing. */
+ struct xfarray *iunlink_next;
+
+ /* Map of ino -> prev_ino for unlinked inode processing. */
+ struct xfarray *iunlink_prev;
};
+static void
+xrep_agi_buf_cleanup(
+ void *buf)
+{
+ struct xrep_agi *ragi = buf;
+
+ xfarray_destroy(ragi->iunlink_prev);
+ xfarray_destroy(ragi->iunlink_next);
+ xagino_bitmap_destroy(&ragi->iunlink_bmp);
+}
+
/*
* Given the inode btree roots described by *fab, find the roots, check them
* for sanity, and pass the root data back out via *fab.
@@ -871,10 +904,6 @@ xrep_agi_init_header(
if (xfs_has_crc(mp))
uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid);
- /* We don't know how to fix the unlinked list yet. */
- memcpy(&agi->agi_unlinked, &old_agi->agi_unlinked,
- sizeof(agi->agi_unlinked));
-
/* Mark the incore AGF data stale until we're done fixing things. */
ASSERT(xfs_perag_initialised_agi(pag));
clear_bit(XFS_AGSTATE_AGI_INIT, &pag->pag_opstate);
@@ -946,6 +975,714 @@ xrep_agi_calc_from_btrees(
return error;
}
+/*
+ * Record a forwards unlinked chain pointer from agino -> next_agino in our
+ * staging information.
+ */
+static inline int
+xrep_iunlink_store_next(
+ struct xrep_agi *ragi,
+ xfs_agino_t agino,
+ xfs_agino_t next_agino)
+{
+ ASSERT(next_agino != 0);
+
+ return xfarray_store(ragi->iunlink_next, agino, &next_agino);
+}
+
+/*
+ * Record a backwards unlinked chain pointer from prev_ino <- agino in our
+ * staging information.
+ */
+static inline int
+xrep_iunlink_store_prev(
+ struct xrep_agi *ragi,
+ xfs_agino_t agino,
+ xfs_agino_t prev_agino)
+{
+ ASSERT(prev_agino != 0);
+
+ return xfarray_store(ragi->iunlink_prev, agino, &prev_agino);
+}
+
+/*
+ * Given an @agino, look up the next inode in the iunlink bucket. Returns
+ * NULLAGINO if we're at the end of the chain, 0 if @agino is not in memory
+ * like it should be, or a per-AG inode number.
+ */
+static inline xfs_agino_t
+xrep_iunlink_next(
+ struct xfs_scrub *sc,
+ xfs_agino_t agino)
+{
+ struct xfs_inode *ip;
+
+ ip = xfs_iunlink_lookup(sc->sa.pag, agino);
+ if (!ip)
+ return 0;
+
+ return ip->i_next_unlinked;
+}
+
+/*
+ * Load the inode @agino into memory, set its i_prev_unlinked, and drop the
+ * inode so it can be inactivated. Returns NULLAGINO if we're at the end of
+ * the chain or if we should stop walking the chain due to corruption; or a
+ * per-AG inode number.
+ */
+STATIC xfs_agino_t
+xrep_iunlink_reload_next(
+ struct xrep_agi *ragi,
+ xfs_agino_t prev_agino,
+ xfs_agino_t agino)
+{
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_inode *ip;
+ xfs_ino_t ino;
+ xfs_agino_t ret = NULLAGINO;
+ int error;
+
+ ino = XFS_AGINO_TO_INO(sc->mp, sc->sa.pag->pag_agno, agino);
+ error = xchk_iget(ragi->sc, ino, &ip);
+ if (error)
+ return ret;
+
+ trace_xrep_iunlink_reload_next(ip, prev_agino);
+
+ /* If this is a linked inode, stop processing the chain. */
+ if (VFS_I(ip)->i_nlink != 0) {
+ xrep_iunlink_store_next(ragi, agino, NULLAGINO);
+ goto rele;
+ }
+
+ ip->i_prev_unlinked = prev_agino;
+ ret = ip->i_next_unlinked;
+
+ /*
+ * Drop the inode reference that we just took. We hold the AGI, so
+ * this inode cannot move off the unlinked list and hence cannot be
+ * reclaimed.
+ */
+rele:
+ xchk_irele(sc, ip);
+ return ret;
+}
+
+/*
+ * Walk an AGI unlinked bucket's list to load incore any unlinked inodes that
+ * still existed at mount time. This can happen if iunlink processing fails
+ * during log recovery.
+ */
+STATIC int
+xrep_iunlink_walk_ondisk_bucket(
+ struct xrep_agi *ragi,
+ unsigned int bucket)
+{
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_agi *agi = sc->sa.agi_bp->b_addr;
+ xfs_agino_t prev_agino = NULLAGINO;
+ xfs_agino_t next_agino;
+ int error = 0;
+
+ next_agino = be32_to_cpu(agi->agi_unlinked[bucket]);
+ while (next_agino != NULLAGINO) {
+ xfs_agino_t agino = next_agino;
+
+ if (xchk_should_terminate(ragi->sc, &error))
+ return error;
+
+ trace_xrep_iunlink_walk_ondisk_bucket(sc->sa.pag, bucket,
+ prev_agino, agino);
+
+ if (bucket != agino % XFS_AGI_UNLINKED_BUCKETS)
+ break;
+
+ next_agino = xrep_iunlink_next(sc, agino);
+ if (!next_agino)
+ next_agino = xrep_iunlink_reload_next(ragi, prev_agino,
+ agino);
+
+ prev_agino = agino;
+ }
+
+ return 0;
+}
+
+/* Decide if this is an unlinked inode in this AG. */
+STATIC bool
+xrep_iunlink_igrab(
+ struct xfs_perag *pag,
+ struct xfs_inode *ip)
+{
+ struct xfs_mount *mp = pag->pag_mount;
+
+ if (XFS_INO_TO_AGNO(mp, ip->i_ino) != pag->pag_agno)
+ return false;
+
+ if (!xfs_inode_on_unlinked_list(ip))
+ return false;
+
+ return true;
+}
+
+/*
+ * Mark the given inode in the lookup batch in our unlinked inode bitmap, and
+ * remember if this inode is the start of the unlinked chain.
+ */
+STATIC int
+xrep_iunlink_visit(
+ struct xrep_agi *ragi,
+ unsigned int batch_idx)
+{
+ struct xfs_mount *mp = ragi->sc->mp;
+ struct xfs_inode *ip = ragi->lookup_batch[batch_idx];
+ xfs_agino_t agino;
+ unsigned int bucket;
+ int error;
+
+ ASSERT(XFS_INO_TO_AGNO(mp, ip->i_ino) == ragi->sc->sa.pag->pag_agno);
+ ASSERT(xfs_inode_on_unlinked_list(ip));
+
+ agino = XFS_INO_TO_AGINO(mp, ip->i_ino);
+ bucket = agino % XFS_AGI_UNLINKED_BUCKETS;
+
+ trace_xrep_iunlink_visit(ragi->sc->sa.pag, bucket,
+ ragi->iunlink_heads[bucket], ip);
+
+ error = xagino_bitmap_set(&ragi->iunlink_bmp, agino, 1);
+ if (error)
+ return error;
+
+ if (ip->i_prev_unlinked == NULLAGINO) {
+ if (ragi->iunlink_heads[bucket] == NULLAGINO)
+ ragi->iunlink_heads[bucket] = agino;
+ }
+
+ return 0;
+}
+
+/*
+ * Find all incore unlinked inodes so that we can rebuild the unlinked buckets.
+ * We hold the AGI so there should not be any modifications to the unlinked
+ * list.
+ */
+STATIC int
+xrep_iunlink_mark_incore(
+ struct xrep_agi *ragi)
+{
+ struct xfs_perag *pag = ragi->sc->sa.pag;
+ struct xfs_mount *mp = pag->pag_mount;
+ uint32_t first_index = 0;
+ bool done = false;
+ unsigned int nr_found = 0;
+
+ do {
+ unsigned int i;
+ int error = 0;
+
+ if (xchk_should_terminate(ragi->sc, &error))
+ return error;
+
+ rcu_read_lock();
+
+ nr_found = radix_tree_gang_lookup(&pag->pag_ici_root,
+ (void **)&ragi->lookup_batch, first_index,
+ XREP_AGI_LOOKUP_BATCH);
+ if (!nr_found) {
+ rcu_read_unlock();
+ return 0;
+ }
+
+ for (i = 0; i < nr_found; i++) {
+ struct xfs_inode *ip = ragi->lookup_batch[i];
+
+ if (done || !xrep_iunlink_igrab(pag, ip))
+ ragi->lookup_batch[i] = NULL;
+
+ /*
+ * Update the index for the next lookup. Catch
+ * overflows into the next AG range which can occur if
+ * we have inodes in the last block of the AG and we
+ * are currently pointing to the last inode.
+ *
+ * Because we may see inodes that are from the wrong AG
+ * due to RCU freeing and reallocation, only update the
+ * index if it lies in this AG. It was a race that lead
+ * us to see this inode, so another lookup from the
+ * same index will not find it again.
+ */
+ if (XFS_INO_TO_AGNO(mp, ip->i_ino) != pag->pag_agno)
+ continue;
+ first_index = XFS_INO_TO_AGINO(mp, ip->i_ino + 1);
+ if (first_index < XFS_INO_TO_AGINO(mp, ip->i_ino))
+ done = true;
+ }
+
+ /* unlock now we've grabbed the inodes. */
+ rcu_read_unlock();
+
+ for (i = 0; i < nr_found; i++) {
+ if (!ragi->lookup_batch[i])
+ continue;
+ error = xrep_iunlink_visit(ragi, i);
+ if (error)
+ return error;
+ }
+ } while (!done);
+
+ return 0;
+}
+
+/* Mark all the unlinked ondisk inodes in this inobt record in iunlink_bmp. */
+STATIC int
+xrep_iunlink_mark_ondisk_rec(
+ struct xfs_btree_cur *cur,
+ const union xfs_btree_rec *rec,
+ void *priv)
+{
+ struct xfs_inobt_rec_incore irec;
+ struct xrep_agi *ragi = priv;
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_mount *mp = cur->bc_mp;
+ xfs_agino_t agino;
+ unsigned int i;
+ int error = 0;
+
+ xfs_inobt_btrec_to_irec(mp, rec, &irec);
+
+ for (i = 0, agino = irec.ir_startino;
+ i < XFS_INODES_PER_CHUNK;
+ i++, agino++) {
+ struct xfs_inode *ip;
+ unsigned int len = 1;
+
+ /* Skip free inodes */
+ if (XFS_INOBT_MASK(i) & irec.ir_free)
+ continue;
+ /* Skip inodes we've seen before */
+ if (xagino_bitmap_test(&ragi->iunlink_bmp, agino, &len))
+ continue;
+
+ /*
+ * Skip incore inodes; these were already picked up by
+ * the _mark_incore step.
+ */
+ rcu_read_lock();
+ ip = radix_tree_lookup(&sc->sa.pag->pag_ici_root, agino);
+ rcu_read_unlock();
+ if (ip)
+ continue;
+
+ /*
+ * Try to look up this inode. If we can't get it, just move
+ * on because we haven't actually scrubbed the inobt or the
+ * inodes yet.
+ */
+ error = xchk_iget(ragi->sc,
+ XFS_AGINO_TO_INO(mp, sc->sa.pag->pag_agno,
+ agino),
+ &ip);
+ if (error)
+ continue;
+
+ trace_xrep_iunlink_reload_ondisk(ip);
+
+ if (VFS_I(ip)->i_nlink == 0)
+ error = xagino_bitmap_set(&ragi->iunlink_bmp, agino, 1);
+ xchk_irele(sc, ip);
+ if (error)
+ break;
+ }
+
+ return error;
+}
+
+/*
+ * Find ondisk inodes that are unlinked and not in cache, and mark them in
+ * iunlink_bmp. We haven't checked the inobt yet, so we don't error out if
+ * the btree is corrupt.
+ */
+STATIC void
+xrep_iunlink_mark_ondisk(
+ struct xrep_agi *ragi)
+{
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_buf *agi_bp = ragi->agi_bp;
+ struct xfs_btree_cur *cur;
+ int error;
+
+ cur = xfs_inobt_init_cursor(sc->sa.pag, sc->tp, agi_bp);
+ error = xfs_btree_query_all(cur, xrep_iunlink_mark_ondisk_rec, ragi);
+ xfs_btree_del_cursor(cur, error);
+}
+
+/*
+ * Walk an iunlink bucket's inode list. For each inode that should be on this
+ * chain, clear its entry in in iunlink_bmp because it's ok and we don't need
+ * to touch it further.
+ */
+STATIC int
+xrep_iunlink_resolve_bucket(
+ struct xrep_agi *ragi,
+ unsigned int bucket)
+{
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_inode *ip;
+ xfs_agino_t prev_agino = NULLAGINO;
+ xfs_agino_t next_agino = ragi->iunlink_heads[bucket];
+ int error = 0;
+
+ while (next_agino != NULLAGINO) {
+ if (xchk_should_terminate(ragi->sc, &error))
+ return error;
+
+ /* Find the next inode in the chain. */
+ ip = xfs_iunlink_lookup(sc->sa.pag, next_agino);
+ if (!ip) {
+ /* Inode not incore? Terminate the chain. */
+ trace_xrep_iunlink_resolve_uncached(sc->sa.pag,
+ bucket, prev_agino, next_agino);
+
+ next_agino = NULLAGINO;
+ break;
+ }
+
+ if (next_agino % XFS_AGI_UNLINKED_BUCKETS != bucket) {
+ /*
+ * Inode is in the wrong bucket. Advance the list,
+ * but pretend we didn't see this inode.
+ */
+ trace_xrep_iunlink_resolve_wronglist(sc->sa.pag,
+ bucket, prev_agino, next_agino);
+
+ next_agino = ip->i_next_unlinked;
+ continue;
+ }
+
+ if (!xfs_inode_on_unlinked_list(ip)) {
+ /*
+ * Incore inode doesn't think this inode is on an
+ * unlinked list. This is probably because we reloaded
+ * it from disk. Advance the list, but pretend we
+ * didn't see this inode; we'll fix that later.
+ */
+ trace_xrep_iunlink_resolve_nolist(sc->sa.pag,
+ bucket, prev_agino, next_agino);
+ next_agino = ip->i_next_unlinked;
+ continue;
+ }
+
+ trace_xrep_iunlink_resolve_ok(sc->sa.pag, bucket, prev_agino,
+ next_agino);
+
+ /*
+ * Otherwise, this inode's unlinked pointers are ok. Clear it
+ * from the unlinked bitmap since we're done with it, and make
+ * sure the chain is still correct.
+ */
+ error = xagino_bitmap_clear(&ragi->iunlink_bmp, next_agino, 1);
+ if (error)
+ return error;
+
+ /* Remember the previous inode's next pointer. */
+ if (prev_agino != NULLAGINO) {
+ error = xrep_iunlink_store_next(ragi, prev_agino,
+ next_agino);
+ if (error)
+ return error;
+ }
+
+ /* Remember this inode's previous pointer. */
+ error = xrep_iunlink_store_prev(ragi, next_agino, prev_agino);
+ if (error)
+ return error;
+
+ /* Advance the list and remember this inode. */
+ prev_agino = next_agino;
+ next_agino = ip->i_next_unlinked;
+ }
+
+ /* Update the previous inode's next pointer. */
+ if (prev_agino != NULLAGINO) {
+ error = xrep_iunlink_store_next(ragi, prev_agino, next_agino);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
+/* Reinsert this unlinked inode into the head of the staged bucket list. */
+STATIC int
+xrep_iunlink_add_to_bucket(
+ struct xrep_agi *ragi,
+ xfs_agino_t agino)
+{
+ xfs_agino_t current_head;
+ unsigned int bucket;
+ int error;
+
+ bucket = agino % XFS_AGI_UNLINKED_BUCKETS;
+
+ /* Point this inode at the current head of the bucket list. */
+ current_head = ragi->iunlink_heads[bucket];
+
+ trace_xrep_iunlink_add_to_bucket(ragi->sc->sa.pag, bucket, agino,
+ current_head);
+
+ error = xrep_iunlink_store_next(ragi, agino, current_head);
+ if (error)
+ return error;
+
+ /* Remember the head inode's previous pointer. */
+ if (current_head != NULLAGINO) {
+ error = xrep_iunlink_store_prev(ragi, current_head, agino);
+ if (error)
+ return error;
+ }
+
+ ragi->iunlink_heads[bucket] = agino;
+ return 0;
+}
+
+/* Reinsert unlinked inodes into the staged iunlink buckets. */
+STATIC int
+xrep_iunlink_add_lost_inodes(
+ uint32_t start,
+ uint32_t len,
+ void *priv)
+{
+ struct xrep_agi *ragi = priv;
+ int error;
+
+ for (; len > 0; start++, len--) {
+ error = xrep_iunlink_add_to_bucket(ragi, start);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
+/*
+ * Figure out the iunlink bucket values and find inodes that need to be
+ * reinserted into the list.
+ */
+STATIC int
+xrep_iunlink_rebuild_buckets(
+ struct xrep_agi *ragi)
+{
+ unsigned int i;
+ int error;
+
+ /*
+ * Walk the ondisk AGI unlinked list to find inodes that are on the
+ * list but aren't in memory. This can happen if a past log recovery
+ * tried to clear the iunlinked list but failed. Our scan rebuilds the
+ * unlinked list using incore inodes, so we must load and link them
+ * properly.
+ */
+ for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++) {
+ error = xrep_iunlink_walk_ondisk_bucket(ragi, i);
+ if (error)
+ return error;
+ }
+
+ /*
+ * Record all the incore unlinked inodes in iunlink_bmp that we didn't
+ * find by walking the ondisk iunlink buckets. This shouldn't happen,
+ * but we can't risk forgetting an inode somewhere.
+ */
+ error = xrep_iunlink_mark_incore(ragi);
+ if (error)
+ return error;
+
+ /*
+ * If there are ondisk inodes that are unlinked and are not been loaded
+ * into cache, record them in iunlink_bmp.
+ */
+ xrep_iunlink_mark_ondisk(ragi);
+
+ /*
+ * Walk each iunlink bucket to (re)construct as much of the incore list
+ * as would be correct. For each inode that survives this step, mark
+ * it clear in iunlink_bmp; we're done with those inodes.
+ */
+ for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++) {
+ error = xrep_iunlink_resolve_bucket(ragi, i);
+ if (error)
+ return error;
+ }
+
+ /*
+ * Any unlinked inodes that we didn't find through the bucket list
+ * walk (or was ignored by the walk) must be inserted into the bucket
+ * list. Stage this in memory for now.
+ */
+ return xagino_bitmap_walk(&ragi->iunlink_bmp,
+ xrep_iunlink_add_lost_inodes, ragi);
+}
+
+/* Update i_next_iunlinked for the inode @agino. */
+STATIC int
+xrep_iunlink_relink_next(
+ struct xrep_agi *ragi,
+ xfarray_idx_t idx,
+ xfs_agino_t next_agino)
+{
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_perag *pag = sc->sa.pag;
+ struct xfs_inode *ip;
+ xfarray_idx_t agino = idx - 1;
+ bool want_rele = false;
+ int error = 0;
+
+ ip = xfs_iunlink_lookup(pag, agino);
+ if (!ip) {
+ xfs_ino_t ino;
+ xfs_agino_t prev_agino;
+
+ /*
+ * No inode exists in cache. Load it off the disk so that we
+ * can reinsert it into the incore unlinked list.
+ */
+ ino = XFS_AGINO_TO_INO(sc->mp, pag->pag_agno, agino);
+ error = xchk_iget(sc, ino, &ip);
+ if (error)
+ return -EFSCORRUPTED;
+
+ want_rele = true;
+
+ /* Set the backward pointer since this just came off disk. */
+ error = xfarray_load(ragi->iunlink_prev, agino, &prev_agino);
+ if (error)
+ goto out_rele;
+
+ trace_xrep_iunlink_relink_prev(ip, prev_agino);
+ ip->i_prev_unlinked = prev_agino;
+ }
+
+ /* Update the forward pointer. */
+ if (ip->i_next_unlinked != next_agino) {
+ error = xfs_iunlink_log_inode(sc->tp, ip, pag, next_agino);
+ if (error)
+ goto out_rele;
+
+ trace_xrep_iunlink_relink_next(ip, next_agino);
+ ip->i_next_unlinked = next_agino;
+ }
+
+out_rele:
+ /*
+ * The iunlink lookup doesn't igrab because we hold the AGI buffer lock
+ * and the inode cannot be reclaimed. However, if we used iget to load
+ * a missing inode, we must irele it here.
+ */
+ if (want_rele)
+ xchk_irele(sc, ip);
+ return error;
+}
+
+/* Update i_prev_iunlinked for the inode @agino. */
+STATIC int
+xrep_iunlink_relink_prev(
+ struct xrep_agi *ragi,
+ xfarray_idx_t idx,
+ xfs_agino_t prev_agino)
+{
+ struct xfs_scrub *sc = ragi->sc;
+ struct xfs_perag *pag = sc->sa.pag;
+ struct xfs_inode *ip;
+ xfarray_idx_t agino = idx - 1;
+ bool want_rele = false;
+ int error = 0;
+
+ ASSERT(prev_agino != 0);
+
+ ip = xfs_iunlink_lookup(pag, agino);
+ if (!ip) {
+ xfs_ino_t ino;
+ xfs_agino_t next_agino;
+
+ /*
+ * No inode exists in cache. Load it off the disk so that we
+ * can reinsert it into the incore unlinked list.
+ */
+ ino = XFS_AGINO_TO_INO(sc->mp, pag->pag_agno, agino);
+ error = xchk_iget(sc, ino, &ip);
+ if (error)
+ return -EFSCORRUPTED;
+
+ want_rele = true;
+
+ /* Set the forward pointer since this just came off disk. */
+ error = xfarray_load(ragi->iunlink_prev, agino, &next_agino);
+ if (error)
+ goto out_rele;
+
+ error = xfs_iunlink_log_inode(sc->tp, ip, pag, next_agino);
+ if (error)
+ goto out_rele;
+
+ trace_xrep_iunlink_relink_next(ip, next_agino);
+ ip->i_next_unlinked = next_agino;
+ }
+
+ /* Update the backward pointer. */
+ if (ip->i_prev_unlinked != prev_agino) {
+ trace_xrep_iunlink_relink_prev(ip, prev_agino);
+ ip->i_prev_unlinked = prev_agino;
+ }
+
+out_rele:
+ /*
+ * The iunlink lookup doesn't igrab because we hold the AGI buffer lock
+ * and the inode cannot be reclaimed. However, if we used iget to load
+ * a missing inode, we must irele it here.
+ */
+ if (want_rele)
+ xchk_irele(sc, ip);
+ return error;
+}
+
+/* Log all the iunlink updates we need to finish regenerating the AGI. */
+STATIC int
+xrep_iunlink_commit(
+ struct xrep_agi *ragi)
+{
+ struct xfs_agi *agi = ragi->agi_bp->b_addr;
+ xfarray_idx_t idx = XFARRAY_CURSOR_INIT;
+ xfs_agino_t agino;
+ unsigned int i;
+ int error;
+
+ /* Fix all the forward links */
+ while ((error = xfarray_iter(ragi->iunlink_next, &idx, &agino)) == 1) {
+ error = xrep_iunlink_relink_next(ragi, idx, agino);
+ if (error)
+ return error;
+ }
+
+ /* Fix all the back links */
+ idx = XFARRAY_CURSOR_INIT;
+ while ((error = xfarray_iter(ragi->iunlink_prev, &idx, &agino)) == 1) {
+ error = xrep_iunlink_relink_prev(ragi, idx, agino);
+ if (error)
+ return error;
+ }
+
+ /* Copy the staged iunlink buckets to the new AGI. */
+ for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++) {
+ trace_xrep_iunlink_commit_bucket(ragi->sc->sa.pag, i,
+ be32_to_cpu(ragi->old_agi.agi_unlinked[i]),
+ ragi->iunlink_heads[i]);
+
+ agi->agi_unlinked[i] = cpu_to_be32(ragi->iunlink_heads[i]);
+ }
+
+ return 0;
+}
+
/* Trigger reinitialization of the in-core data. */
STATIC int
xrep_agi_commit_new(
@@ -979,6 +1716,8 @@ xrep_agi(
{
struct xrep_agi *ragi;
struct xfs_mount *mp = sc->mp;
+ char *descr;
+ unsigned int i;
int error;
/* We require the rmapbt to rebuild anything. */
@@ -1005,6 +1744,26 @@ xrep_agi(
.buf_ops = NULL,
};
+ for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++)
+ ragi->iunlink_heads[i] = NULLAGINO;
+
+ xagino_bitmap_init(&ragi->iunlink_bmp);
+ sc->buf_cleanup = xrep_agi_buf_cleanup;
+
+ descr = xchk_xfile_ag_descr(sc, "iunlinked next pointers");
+ error = xfarray_create(descr, 0, sizeof(xfs_agino_t),
+ &ragi->iunlink_next);
+ kfree(descr);
+ if (error)
+ return error;
+
+ descr = xchk_xfile_ag_descr(sc, "iunlinked prev pointers");
+ error = xfarray_create(descr, 0, sizeof(xfs_agino_t),
+ &ragi->iunlink_prev);
+ kfree(descr);
+ if (error)
+ return error;
+
/*
* Make sure we have the AGI buffer, as scrub might have decided it
* was corrupt after xfs_ialloc_read_agi failed with -EFSCORRUPTED.
@@ -1022,6 +1781,10 @@ xrep_agi(
if (error)
return error;
+ error = xrep_iunlink_rebuild_buckets(ragi);
+ if (error)
+ return error;
+
/* Last chance to abort before we start committing fixes. */
if (xchk_should_terminate(sc, &error))
return error;
@@ -1030,6 +1793,9 @@ xrep_agi(
xrep_agi_init_header(ragi);
xrep_agi_set_roots(ragi);
error = xrep_agi_calc_from_btrees(ragi);
+ if (error)
+ goto out_revert;
+ error = xrep_iunlink_commit(ragi);
if (error)
goto out_revert;
diff --git a/fs/xfs/scrub/agino_bitmap.h b/fs/xfs/scrub/agino_bitmap.h
new file mode 100644
index 0000000000000..56d7db5f16999
--- /dev/null
+++ b/fs/xfs/scrub/agino_bitmap.h
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2018-2024 Oracle. All Rights Reserved.
+ * Author: Darrick J. Wong <djwong@kernel.org>
+ */
+#ifndef __XFS_SCRUB_AGINO_BITMAP_H__
+#define __XFS_SCRUB_AGINO_BITMAP_H__
+
+/* Bitmaps, but for type-checked for xfs_agino_t */
+
+struct xagino_bitmap {
+ struct xbitmap32 aginobitmap;
+};
+
+static inline void xagino_bitmap_init(struct xagino_bitmap *bitmap)
+{
+ xbitmap32_init(&bitmap->aginobitmap);
+}
+
+static inline void xagino_bitmap_destroy(struct xagino_bitmap *bitmap)
+{
+ xbitmap32_destroy(&bitmap->aginobitmap);
+}
+
+static inline int xagino_bitmap_clear(struct xagino_bitmap *bitmap,
+ xfs_agino_t agino, unsigned int len)
+{
+ return xbitmap32_clear(&bitmap->aginobitmap, agino, len);
+}
+
+static inline int xagino_bitmap_set(struct xagino_bitmap *bitmap,
+ xfs_agino_t agino, unsigned int len)
+{
+ return xbitmap32_set(&bitmap->aginobitmap, agino, len);
+}
+
+static inline bool xagino_bitmap_test(struct xagino_bitmap *bitmap,
+ xfs_agino_t agino, unsigned int *len)
+{
+ return xbitmap32_test(&bitmap->aginobitmap, agino, len);
+}
+
+static inline int xagino_bitmap_walk(struct xagino_bitmap *bitmap,
+ xbitmap32_walk_fn fn, void *priv)
+{
+ return xbitmap32_walk(&bitmap->aginobitmap, fn, priv);
+}
+
+#endif /* __XFS_SCRUB_AGINO_BITMAP_H__ */
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h
index 4e9c9922a4140..0bc63b67a39d4 100644
--- a/fs/xfs/scrub/trace.h
+++ b/fs/xfs/scrub/trace.h
@@ -2751,6 +2751,261 @@ DEFINE_EVENT(xrep_symlink_class, name, \
DEFINE_XREP_SYMLINK_EVENT(xrep_symlink_rebuild);
DEFINE_XREP_SYMLINK_EVENT(xrep_symlink_reset_fork);
+TRACE_EVENT(xrep_iunlink_visit,
+ TP_PROTO(struct xfs_perag *pag, unsigned int bucket,
+ xfs_agino_t bucket_agino, struct xfs_inode *ip),
+ TP_ARGS(pag, bucket, bucket_agino, ip),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(xfs_agino_t, agino)
+ __field(unsigned int, bucket)
+ __field(xfs_agino_t, bucket_agino)
+ __field(xfs_agino_t, prev_agino)
+ __field(xfs_agino_t, next_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = pag->pag_mount->m_super->s_dev;
+ __entry->agno = pag->pag_agno;
+ __entry->agino = XFS_INO_TO_AGINO(pag->pag_mount, ip->i_ino);
+ __entry->bucket = bucket;
+ __entry->bucket_agino = bucket_agino;
+ __entry->prev_agino = ip->i_prev_unlinked;
+ __entry->next_agino = ip->i_next_unlinked;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x bucket_agino 0x%x prev_agino 0x%x next_agino 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->bucket,
+ __entry->agino,
+ __entry->bucket_agino,
+ __entry->prev_agino,
+ __entry->next_agino)
+);
+
+TRACE_EVENT(xrep_iunlink_reload_next,
+ TP_PROTO(struct xfs_inode *ip, xfs_agino_t prev_agino),
+ TP_ARGS(ip, prev_agino),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(xfs_agino_t, agino)
+ __field(xfs_agino_t, old_prev_agino)
+ __field(xfs_agino_t, prev_agino)
+ __field(xfs_agino_t, next_agino)
+ __field(unsigned int, nlink)
+ ),
+ TP_fast_assign(
+ __entry->dev = ip->i_mount->m_super->s_dev;
+ __entry->agno = XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino);
+ __entry->agino = XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino);
+ __entry->old_prev_agino = ip->i_prev_unlinked;
+ __entry->prev_agino = prev_agino;
+ __entry->next_agino = ip->i_next_unlinked;
+ __entry->nlink = VFS_I(ip)->i_nlink;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x nlink %u old_prev_agino %u prev_agino 0x%x next_agino 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->agino % XFS_AGI_UNLINKED_BUCKETS,
+ __entry->agino,
+ __entry->nlink,
+ __entry->old_prev_agino,
+ __entry->prev_agino,
+ __entry->next_agino)
+);
+
+TRACE_EVENT(xrep_iunlink_reload_ondisk,
+ TP_PROTO(struct xfs_inode *ip),
+ TP_ARGS(ip),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(xfs_agino_t, agino)
+ __field(unsigned int, nlink)
+ __field(xfs_agino_t, next_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = ip->i_mount->m_super->s_dev;
+ __entry->agno = XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino);
+ __entry->agino = XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino);
+ __entry->nlink = VFS_I(ip)->i_nlink;
+ __entry->next_agino = ip->i_next_unlinked;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x nlink %u next_agino 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->agino % XFS_AGI_UNLINKED_BUCKETS,
+ __entry->agino,
+ __entry->nlink,
+ __entry->next_agino)
+);
+
+TRACE_EVENT(xrep_iunlink_walk_ondisk_bucket,
+ TP_PROTO(struct xfs_perag *pag, unsigned int bucket,
+ xfs_agino_t prev_agino, xfs_agino_t next_agino),
+ TP_ARGS(pag, bucket, prev_agino, next_agino),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(unsigned int, bucket)
+ __field(xfs_agino_t, prev_agino)
+ __field(xfs_agino_t, next_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = pag->pag_mount->m_super->s_dev;
+ __entry->agno = pag->pag_agno;
+ __entry->bucket = bucket;
+ __entry->prev_agino = prev_agino;
+ __entry->next_agino = next_agino;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u prev_agino 0x%x next_agino 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->bucket,
+ __entry->prev_agino,
+ __entry->next_agino)
+);
+
+DECLARE_EVENT_CLASS(xrep_iunlink_resolve_class,
+ TP_PROTO(struct xfs_perag *pag, unsigned int bucket,
+ xfs_agino_t prev_agino, xfs_agino_t next_agino),
+ TP_ARGS(pag, bucket, prev_agino, next_agino),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(unsigned int, bucket)
+ __field(xfs_agino_t, prev_agino)
+ __field(xfs_agino_t, next_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = pag->pag_mount->m_super->s_dev;
+ __entry->agno = pag->pag_agno;
+ __entry->bucket = bucket;
+ __entry->prev_agino = prev_agino;
+ __entry->next_agino = next_agino;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u prev_agino 0x%x next_agino 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->bucket,
+ __entry->prev_agino,
+ __entry->next_agino)
+);
+#define DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(name) \
+DEFINE_EVENT(xrep_iunlink_resolve_class, name, \
+ TP_PROTO(struct xfs_perag *pag, unsigned int bucket, \
+ xfs_agino_t prev_agino, xfs_agino_t next_agino), \
+ TP_ARGS(pag, bucket, prev_agino, next_agino))
+DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(xrep_iunlink_resolve_uncached);
+DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(xrep_iunlink_resolve_wronglist);
+DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(xrep_iunlink_resolve_nolist);
+DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(xrep_iunlink_resolve_ok);
+
+TRACE_EVENT(xrep_iunlink_relink_next,
+ TP_PROTO(struct xfs_inode *ip, xfs_agino_t next_agino),
+ TP_ARGS(ip, next_agino),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(xfs_agino_t, agino)
+ __field(xfs_agino_t, next_agino)
+ __field(xfs_agino_t, new_next_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = ip->i_mount->m_super->s_dev;
+ __entry->agno = XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino);
+ __entry->agino = XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino);
+ __entry->next_agino = ip->i_next_unlinked;
+ __entry->new_next_agino = next_agino;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x next_agino 0x%x -> 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->agino % XFS_AGI_UNLINKED_BUCKETS,
+ __entry->agino,
+ __entry->next_agino,
+ __entry->new_next_agino)
+);
+
+TRACE_EVENT(xrep_iunlink_relink_prev,
+ TP_PROTO(struct xfs_inode *ip, xfs_agino_t prev_agino),
+ TP_ARGS(ip, prev_agino),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(xfs_agino_t, agino)
+ __field(xfs_agino_t, prev_agino)
+ __field(xfs_agino_t, new_prev_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = ip->i_mount->m_super->s_dev;
+ __entry->agno = XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino);
+ __entry->agino = XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino);
+ __entry->prev_agino = ip->i_prev_unlinked;
+ __entry->new_prev_agino = prev_agino;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x prev_agino 0x%x -> 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->agino % XFS_AGI_UNLINKED_BUCKETS,
+ __entry->agino,
+ __entry->prev_agino,
+ __entry->new_prev_agino)
+);
+
+TRACE_EVENT(xrep_iunlink_add_to_bucket,
+ TP_PROTO(struct xfs_perag *pag, unsigned int bucket,
+ xfs_agino_t agino, xfs_agino_t curr_head),
+ TP_ARGS(pag, bucket, agino, curr_head),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(unsigned int, bucket)
+ __field(xfs_agino_t, agino)
+ __field(xfs_agino_t, next_agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = pag->pag_mount->m_super->s_dev;
+ __entry->agno = pag->pag_agno;
+ __entry->bucket = bucket;
+ __entry->agino = agino;
+ __entry->next_agino = curr_head;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x next_agino 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->bucket,
+ __entry->agino,
+ __entry->next_agino)
+);
+
+TRACE_EVENT(xrep_iunlink_commit_bucket,
+ TP_PROTO(struct xfs_perag *pag, unsigned int bucket,
+ xfs_agino_t old_agino, xfs_agino_t agino),
+ TP_ARGS(pag, bucket, old_agino, agino),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(unsigned int, bucket)
+ __field(xfs_agino_t, old_agino)
+ __field(xfs_agino_t, agino)
+ ),
+ TP_fast_assign(
+ __entry->dev = pag->pag_mount->m_super->s_dev;
+ __entry->agno = pag->pag_agno;
+ __entry->bucket = bucket;
+ __entry->old_agino = old_agino;
+ __entry->agino = agino;
+ ),
+ TP_printk("dev %d:%d agno 0x%x bucket %u agino 0x%x -> 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->bucket,
+ __entry->old_agino,
+ __entry->agino)
+);
+
#endif /* IS_ENABLED(CONFIG_XFS_ONLINE_REPAIR) */
#endif /* _TRACE_XFS_SCRUB_TRACE_H */
next prev parent reply other threads:[~2024-03-27 2:06 UTC|newest]
Thread overview: 149+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-27 1:40 [PATCHBOMB v30] xfs: online fsck patches for 6.10 Darrick J. Wong
2024-03-27 1:46 ` [PATCHSET 01/15] xfs: bug fixes for 6.9 Darrick J. Wong
2024-03-27 1:50 ` [PATCH 1/1] xfs: fix potential AGI <-> ILOCK ABBA deadlock in xrep_dinode_findmode_walk_directory Darrick J. Wong
2024-03-27 16:56 ` Christoph Hellwig
2024-03-29 18:38 ` Darrick J. Wong
2024-04-03 5:18 ` [PATCHSET] xfs: bug fixes for 6.9 Darrick J. Wong
2024-04-03 5:18 ` [PATCH 1/3] xfs: pass xfs_buf lookup flags to xfs_*read_agi Darrick J. Wong
2024-04-05 14:53 ` Christoph Hellwig
2024-04-03 5:18 ` [PATCH 2/3] xfs: fix an AGI lock acquisition ordering problem in xrep_dinode_findmode Darrick J. Wong
2024-04-05 14:54 ` Christoph Hellwig
2024-04-05 16:52 ` Christoph Hellwig
2024-04-07 22:34 ` Dave Chinner
2024-04-09 22:51 ` Darrick J. Wong
2024-04-03 5:18 ` [PATCH 3/3] xfs: fix potential AGI <-> ILOCK ABBA deadlock in xrep_dinode_findmode_walk_directory Darrick J. Wong
2024-04-05 3:27 ` [PATCH 4/3] xfs: fix error bailout in xrep_abt_build_new_trees Darrick J. Wong
2024-04-05 5:17 ` Christoph Hellwig
2024-03-27 1:46 ` [PATCHSET v30.1 02/15] xfs: improve log incompat feature handling Darrick J. Wong
2024-03-27 1:50 ` [PATCH 1/2] xfs: only clear log incompat flags at clean unmount Darrick J. Wong
2024-04-07 22:48 ` Dave Chinner
2024-03-27 1:51 ` [PATCH 2/2] xfs: only add log incompat features with explicit permission Darrick J. Wong
2024-04-07 23:00 ` Dave Chinner
2024-04-09 22:53 ` Darrick J. Wong
2024-03-27 1:47 ` [PATCHSET v30.1 03/15] xfs: refactorings for atomic file content exchanges Darrick J. Wong
2024-03-27 1:51 ` [PATCH 1/7] xfs: move inode lease breaking functions to xfs_inode.c Darrick J. Wong
2024-03-27 1:51 ` [PATCH 2/7] xfs: move xfs_iops.c declarations out of xfs_inode.h Darrick J. Wong
2024-03-27 1:51 ` [PATCH 3/7] xfs: declare xfs_file.c symbols in xfs_file.h Darrick J. Wong
2024-03-27 1:52 ` [PATCH 4/7] xfs: create a new helper to return a file's allocation unit Darrick J. Wong
2024-03-27 1:52 ` [PATCH 5/7] xfs: hoist multi-fsb allocation unit detection to a helper Darrick J. Wong
2024-03-27 11:05 ` Christoph Hellwig
2024-04-07 23:07 ` Dave Chinner
2024-04-09 21:09 ` Darrick J. Wong
2024-03-27 1:52 ` [PATCH 6/7] xfs: refactor non-power-of-two alignment checks Darrick J. Wong
2024-03-27 1:52 ` [PATCH 7/7] xfs: constify xfs_bmap_is_written_extent Darrick J. Wong
2024-03-27 1:47 ` [PATCHSET v30.1 04/15] xfs: atomic file content exchanges Darrick J. Wong
2024-03-27 1:53 ` [PATCH 01/15] vfs: export remap and write check helpers Darrick J. Wong
2024-03-27 11:07 ` Christoph Hellwig
2024-03-29 19:45 ` Darrick J. Wong
2024-03-27 1:53 ` [PATCH 02/15] xfs: introduce new file range exchange ioctl Darrick J. Wong
2024-03-27 11:12 ` Christoph Hellwig
2024-03-27 1:53 ` [PATCH 03/15] xfs: create a log incompat flag for atomic file mapping exchanges Darrick J. Wong
2024-04-07 23:17 ` Dave Chinner
2024-04-09 21:12 ` Darrick J. Wong
2024-03-27 1:53 ` [PATCH 04/15] xfs: introduce a file mapping exchange log intent item Darrick J. Wong
2024-04-07 23:51 ` Dave Chinner
2024-04-09 1:18 ` Darrick J. Wong
2024-04-09 3:06 ` Darrick J. Wong
2024-03-27 1:54 ` [PATCH 05/15] xfs: create deferred log items for file mapping exchanges Darrick J. Wong
2024-03-27 1:54 ` [PATCH 06/15] xfs: bind together the front and back ends of the file range exchange code Darrick J. Wong
2024-04-08 0:05 ` Dave Chinner
2024-03-27 1:54 ` [PATCH 07/15] xfs: add error injection to test file mapping exchange recovery Darrick J. Wong
2024-03-27 1:54 ` [PATCH 08/15] xfs: condense extended attributes after a mapping exchange operation Darrick J. Wong
2024-03-27 1:55 ` [PATCH 09/15] xfs: condense directories " Darrick J. Wong
2024-03-27 1:55 ` [PATCH 10/15] xfs: condense symbolic links " Darrick J. Wong
2024-03-27 1:55 ` [PATCH 11/15] xfs: make file range exchange support realtime files Darrick J. Wong
2024-03-27 1:55 ` [PATCH 12/15] xfs: support non-power-of-two rtextsize with exchange-range Darrick J. Wong
2024-03-27 1:56 ` [PATCH 13/15] docs: update swapext -> exchmaps language Darrick J. Wong
2024-03-27 1:56 ` [PATCH 14/15] xfs: introduce new file range commit ioctls Darrick J. Wong
2024-03-27 11:06 ` Christoph Hellwig
2024-03-29 19:45 ` Darrick J. Wong
2024-03-27 1:56 ` [PATCH 15/15] xfs: enable logged file mapping exchange feature Darrick J. Wong
2024-03-27 1:47 ` [PATCHSET v30.1 05/15] xfs: create temporary files for online repair Darrick J. Wong
2024-03-27 1:57 ` [PATCH 1/4] xfs: hide private inodes from bulkstat and handle functions Darrick J. Wong
2024-03-27 11:12 ` Christoph Hellwig
2024-03-27 1:57 ` [PATCH 2/4] xfs: create temporary files and directories for online repair Darrick J. Wong
2024-03-27 1:57 ` [PATCH 3/4] xfs: refactor live buffer invalidation for repairs Darrick J. Wong
2024-03-27 1:57 ` [PATCH 4/4] xfs: add the ability to reap entire inode forks Darrick J. Wong
2024-03-27 1:47 ` [PATCHSET v30.1 06/15] xfs: online repair of realtime summaries Darrick J. Wong
2024-03-27 1:58 ` [PATCH 1/3] xfs: support preallocating and copying content into temporary files Darrick J. Wong
2024-03-27 1:58 ` [PATCH 2/3] xfs: teach the tempfile to set up atomic file content exchanges Darrick J. Wong
2024-03-27 1:58 ` [PATCH 3/3] xfs: online repair of realtime summaries Darrick J. Wong
2024-03-27 1:48 ` [PATCHSET v30.1 07/15] xfs: set and validate dir/attr block owners Darrick J. Wong
2024-03-27 1:58 ` [PATCH 01/10] xfs: add an explicit owner field to xfs_da_args Darrick J. Wong
2024-03-27 1:59 ` [PATCH 02/10] xfs: use the xfs_da_args owner field to set new dir/attr block owner Darrick J. Wong
2024-03-27 1:59 ` [PATCH 03/10] xfs: reduce indenting in xfs_attr_node_list Darrick J. Wong
2024-03-27 11:13 ` Christoph Hellwig
2024-03-28 17:39 ` Darrick J. Wong
2024-03-27 1:59 ` [PATCH 04/10] xfs: validate attr leaf buffer owners Darrick J. Wong
2024-03-27 1:59 ` [PATCH 05/10] xfs: validate attr remote value " Darrick J. Wong
2024-03-27 2:00 ` [PATCH 06/10] xfs: validate dabtree node " Darrick J. Wong
2024-03-27 2:00 ` [PATCH 07/10] xfs: validate directory leaf " Darrick J. Wong
2024-03-27 2:00 ` [PATCH 08/10] xfs: validate explicit directory data " Darrick J. Wong
2024-03-27 2:00 ` [PATCH 09/10] xfs: validate explicit directory block " Darrick J. Wong
2024-03-27 2:01 ` [PATCH 10/10] xfs: validate explicit directory free block owners Darrick J. Wong
2024-03-27 1:48 ` [PATCHSET v30.1 08/15] xfs: online repair of extended attributes Darrick J. Wong
2024-03-27 2:01 ` [PATCH 1/7] xfs: enable discarding of folios backing an xfile Darrick J. Wong
2024-03-27 2:01 ` [PATCH 2/7] xfs: create a blob array data structure Darrick J. Wong
2024-03-27 2:01 ` [PATCH 3/7] xfs: use atomic extent swapping to fix user file fork data Darrick J. Wong
2024-03-27 2:02 ` [PATCH 4/7] xfs: repair extended attributes Darrick J. Wong
2024-03-27 2:02 ` [PATCH 5/7] xfs: scrub should set preen if attr leaf has holes Darrick J. Wong
2024-03-27 2:02 ` [PATCH 6/7] xfs: flag empty xattr leaf blocks for optimization Darrick J. Wong
2024-03-27 2:03 ` [PATCH 7/7] xfs: create an xattr iteration function for scrub Darrick J. Wong
2024-03-27 11:15 ` Christoph Hellwig
2024-03-27 1:48 ` [PATCHSET v30.1 09/15] xfs: online repair of inode unlinked state Darrick J. Wong
2024-03-27 2:03 ` [PATCH 1/2] xfs: ensure unlinked list state is consistent with nlink during scrub Darrick J. Wong
2024-03-27 2:03 ` [PATCH 2/2] xfs: update the unlinked list when repairing link counts Darrick J. Wong
2024-03-27 1:48 ` [PATCHSET v30.1 10/15] xfs: online repair of directories Darrick J. Wong
2024-03-27 2:03 ` [PATCH 1/5] xfs: inactivate directory data blocks Darrick J. Wong
2024-03-27 2:04 ` [PATCH 2/5] xfs: online repair of directories Darrick J. Wong
2024-03-27 2:04 ` [PATCH 3/5] xfs: scan the filesystem to repair a directory dotdot entry Darrick J. Wong
2024-03-27 2:04 ` [PATCH 4/5] xfs: online repair of parent pointers Darrick J. Wong
2024-03-27 2:04 ` [PATCH 5/5] xfs: ask the dentry cache if it knows the parent of a directory Darrick J. Wong
2024-03-27 11:16 ` Christoph Hellwig
2024-03-29 19:52 ` Darrick J. Wong
2024-04-03 5:03 ` [PATCH v30.2 " Darrick J. Wong
2024-04-03 11:43 ` Christoph Hellwig
2024-03-27 1:49 ` [PATCHSET v30.1 11/15] xfs: move orphan files to lost and found Darrick J. Wong
2024-03-27 2:05 ` [PATCH 1/3] xfs: move orphan files to the orphanage Darrick J. Wong
2024-03-27 2:05 ` [PATCH 2/3] xfs: move files to orphanage instead of letting nlinks drop to zero Darrick J. Wong
2024-03-27 2:05 ` [PATCH 3/3] xfs: ensure dentry consistency when the orphanage adopts a file Darrick J. Wong
2024-03-27 1:49 ` [PATCHSET v30.1 12/15] xfs: online repair of symbolic links Darrick J. Wong
2024-03-27 2:05 ` [PATCH 1/1] " Darrick J. Wong
2024-03-27 16:53 ` Christoph Hellwig
2024-03-29 20:44 ` Darrick J. Wong
2024-03-29 20:58 ` Darrick J. Wong
2024-04-03 5:12 ` [PATCHSET v30.2] " Darrick J. Wong
2024-04-03 5:12 ` [PATCH 1/3] xfs: expose xfs_bmap_local_to_extents for online repair Darrick J. Wong
2024-04-03 11:43 ` Christoph Hellwig
2024-04-03 5:12 ` [PATCH 2/3] xfs: pass the owner to xfs_symlink_write_target Darrick J. Wong
2024-04-03 11:43 ` Christoph Hellwig
2024-04-03 5:12 ` [PATCH 3/3] xfs: online repair of symbolic links Darrick J. Wong
2024-04-03 11:44 ` Christoph Hellwig
2024-03-27 1:49 ` [PATCHSET v30.1 13/15] xfs: online fsck of iunlink buckets Darrick J. Wong
2024-03-27 2:06 ` [PATCH 1/3] xfs: check AGI unlinked inode buckets Darrick J. Wong
2024-03-27 2:06 ` [PATCH 2/3] xfs: hoist AGI repair context to a heap object Darrick J. Wong
2024-03-27 2:06 ` Darrick J. Wong [this message]
2024-03-27 1:49 ` [PATCHSET v30.1 14/15] xfs: inode-related repair fixes Darrick J. Wong
2024-03-27 2:06 ` [PATCH 1/4] xfs: check unused nlink fields in the ondisk inode Darrick J. Wong
2024-03-27 2:07 ` [PATCH 2/4] xfs: try to avoid allocating from sick inode clusters Darrick J. Wong
2024-03-27 2:07 ` [PATCH 3/4] xfs: pin inodes that would otherwise overflow link count Darrick J. Wong
2024-03-27 2:07 ` [PATCH 4/4] xfs: create subordinate scrub contexts for xchk_metadata_inode_subtype Darrick J. Wong
2024-03-27 1:50 ` [PATCHSET v30.1 15/15] xfs: less heavy locks during fstrim Darrick J. Wong
2024-03-27 2:07 ` [PATCH 1/1] xfs: fix severe performance problems when fstrimming a subset of an AG Darrick J. Wong
2024-03-27 11:35 ` Christoph Hellwig
2024-03-29 21:35 ` Darrick J. Wong
2024-03-30 5:38 ` Christoph Hellwig
2024-03-30 21:15 ` Dave Chinner
2024-03-31 22:44 ` Darrick J. Wong
2024-03-27 22:15 ` Dave Chinner
2024-03-29 22:51 ` Darrick J. Wong
2024-03-30 21:51 ` Dave Chinner
2024-03-31 22:44 ` Darrick J. Wong
2024-04-01 22:12 ` Dave Chinner
2024-04-03 5:07 ` [PATCH v30.2 " Darrick J. Wong
2024-04-04 21:46 ` Dave Chinner
-- strict thread matches above, loose matches on Subject: below --
2024-04-15 23:36 [PATCHSET v30.3 12/16] xfs: online fsck of iunlink buckets Darrick J. Wong
2024-04-15 23:55 ` [PATCH 3/3] xfs: repair AGI unlinked inode bucket lists Darrick J. Wong
2024-02-27 2:18 [PATCHSET v29.4 12/13] xfs: online fsck of iunlink buckets Darrick J. Wong
2024-02-27 2:33 ` [PATCH 3/3] xfs: repair AGI unlinked inode bucket lists Darrick J. Wong
2024-02-28 17:41 ` Christoph Hellwig
2023-12-31 19:31 [PATCHSET v29.0 25/28] xfs: online fsck of iunlink buckets Darrick J. Wong
2023-12-31 20:39 ` [PATCH 3/3] xfs: repair AGI unlinked inode bucket lists Darrick J. Wong
2023-05-26 0:36 [PATCHSET v25.0 0/3] xfs: online fsck of iunlink buckets Darrick J. Wong
2023-05-26 1:37 ` [PATCH 3/3] xfs: repair AGI unlinked inode bucket lists Darrick J. Wong
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=171150384762.3220168.5685488881460797695.stgit@frogsfrogsfrogs \
--to=djwong@kernel.org \
--cc=hch@lst.de \
--cc=linux-xfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.