Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

No conflicts or adjacent changes.

Link: https://patch.msgid.link/20240808170148.3629934-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

44 files changed, 333 insertions, 194 deletions

diff --git a/fs/bcachefs/alloc_background.h b/fs/bcachefs/alloc_background.h
index 8d2b62c9588e..96a0444ea78f 100644
--- a/fs/bcachefs/alloc_background.h
+++ b/fs/bcachefs/alloc_background.h
@@ -82,6 +82,14 @@ static inline bool bucket_data_type_mismatch(enum bch_data_type bucket,
 		bucket_data_type(bucket) != bucket_data_type(ptr);
 }
 
+/*
+ * It is my general preference to use unsigned types for unsigned quantities -
+ * however, these helpers are used in disk accounting calculations run by
+ * triggers where the output will be negated and added to an s64. unsigned is
+ * right out even though all these quantities will fit in 32 bits, since it
+ * won't be sign extended correctly; u64 will negate "correctly", but s64 is the
+ * simpler option here.
+ */
 static inline s64 bch2_bucket_sectors_total(struct bch_alloc_v4 a)
 {
 	return a.stripe_sectors + a.dirty_sectors + a.cached_sectors;
@@ -166,8 +174,8 @@ static inline u64 alloc_lru_idx_fragmentation(struct bch_alloc_v4 a,
 	 * avoid overflowing LRU_TIME_BITS on a corrupted fs, when
 	 * bucket_sectors_dirty is (much) bigger than bucket_size
 	 */
-	u64 d = min(bch2_bucket_sectors_dirty(a),
-		    ca->mi.bucket_size);
+	u64 d = min_t(s64, bch2_bucket_sectors_dirty(a),
+		      ca->mi.bucket_size);
 
 	return div_u64(d * (1ULL << 31), ca->mi.bucket_size);
 }
diff --git a/fs/bcachefs/alloc_foreground.c b/fs/bcachefs/alloc_foreground.c
index 618d2ff0292e..02de5ad2be2c 100644
--- a/fs/bcachefs/alloc_foreground.c
+++ b/fs/bcachefs/alloc_foreground.c
@@ -1603,7 +1603,8 @@ void bch2_open_bucket_to_text(struct printbuf *out, struct bch_fs *c, struct ope
 	prt_newline(out);
 }
 
-void bch2_open_buckets_to_text(struct printbuf *out, struct bch_fs *c)
+void bch2_open_buckets_to_text(struct printbuf *out, struct bch_fs *c,
+			       struct bch_dev *ca)
 {
 	struct open_bucket *ob;
 
@@ -1613,7 +1614,8 @@ void bch2_open_buckets_to_text(struct printbuf *out, struct bch_fs *c)
 	     ob < c->open_buckets + ARRAY_SIZE(c->open_buckets);
 	     ob++) {
 		spin_lock(&ob->lock);
-		if (ob->valid && !ob->on_partial_list)
+		if (ob->valid && !ob->on_partial_list &&
+		    (!ca || ob->dev == ca->dev_idx))
 			bch2_open_bucket_to_text(out, c, ob);
 		spin_unlock(&ob->lock);
 	}
@@ -1756,11 +1758,12 @@ void bch2_dev_alloc_debug_to_text(struct printbuf *out, struct bch_dev *ca)
 	prt_printf(out, "buckets to invalidate\t%llu\r\n",	should_invalidate_buckets(ca, stats));
 }
 
-void bch2_print_allocator_stuck(struct bch_fs *c)
+static noinline void bch2_print_allocator_stuck(struct bch_fs *c)
 {
 	struct printbuf buf = PRINTBUF;
 
-	prt_printf(&buf, "Allocator stuck? Waited for 10 seconds\n");
+	prt_printf(&buf, "Allocator stuck? Waited for %u seconds\n",
+		   c->opts.allocator_stuck_timeout);
 
 	prt_printf(&buf, "Allocator debug:\n");
 	printbuf_indent_add(&buf, 2);
@@ -1790,3 +1793,24 @@ void bch2_print_allocator_stuck(struct bch_fs *c)
 	bch2_print_string_as_lines(KERN_ERR, buf.buf);
 	printbuf_exit(&buf);
 }
+
+static inline unsigned allocator_wait_timeout(struct bch_fs *c)
+{
+	if (c->allocator_last_stuck &&
+	    time_after(c->allocator_last_stuck + HZ * 60 * 2, jiffies))
+		return 0;
+
+	return c->opts.allocator_stuck_timeout * HZ;
+}
+
+void __bch2_wait_on_allocator(struct bch_fs *c, struct closure *cl)
+{
+	unsigned t = allocator_wait_timeout(c);
+
+	if (t && closure_sync_timeout(cl, t)) {
+		c->allocator_last_stuck = jiffies;
+		bch2_print_allocator_stuck(c);
+	}
+
+	closure_sync(cl);
+}
diff --git a/fs/bcachefs/alloc_foreground.h b/fs/bcachefs/alloc_foreground.h
index 6da9e7e29026..386d231ceca3 100644
--- a/fs/bcachefs/alloc_foreground.h
+++ b/fs/bcachefs/alloc_foreground.h
@@ -223,7 +223,7 @@ static inline struct write_point_specifier writepoint_ptr(struct write_point *wp
 void bch2_fs_allocator_foreground_init(struct bch_fs *);
 
 void bch2_open_bucket_to_text(struct printbuf *, struct bch_fs *, struct open_bucket *);
-void bch2_open_buckets_to_text(struct printbuf *, struct bch_fs *);
+void bch2_open_buckets_to_text(struct printbuf *, struct bch_fs *, struct bch_dev *);
 void bch2_open_buckets_partial_to_text(struct printbuf *, struct bch_fs *);
 
 void bch2_write_points_to_text(struct printbuf *, struct bch_fs *);
@@ -231,6 +231,11 @@ void bch2_write_points_to_text(struct printbuf *, struct bch_fs *);
 void bch2_fs_alloc_debug_to_text(struct printbuf *, struct bch_fs *);
 void bch2_dev_alloc_debug_to_text(struct printbuf *, struct bch_dev *);
 
-void bch2_print_allocator_stuck(struct bch_fs *);
+void __bch2_wait_on_allocator(struct bch_fs *, struct closure *);
+static inline void bch2_wait_on_allocator(struct bch_fs *c, struct closure *cl)
+{
+	if (cl->closure_get_happened)
+		__bch2_wait_on_allocator(c, cl);
+}
 
 #endif /* _BCACHEFS_ALLOC_FOREGROUND_H */
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 91361a167dcd..eedf2d6045e7 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -893,6 +893,8 @@ struct bch_fs {
 	struct bch_fs_usage_base __percpu *usage;
 	u64 __percpu		*online_reserved;
 
+	unsigned long		allocator_last_stuck;
+
 	struct io_clock		io_clock[2];
 
 	/* JOURNAL SEQ BLACKLIST */
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index 74a60b1a4ddf..ad893684db52 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -836,6 +836,8 @@ LE64_BITMASK(BCH_SB_BACKGROUND_COMPRESSION_TYPE_HI,
 
 LE64_BITMASK(BCH_SB_VERSION_UPGRADE_COMPLETE,
 					struct bch_sb, flags[5],  0, 16);
+LE64_BITMASK(BCH_SB_ALLOCATOR_STUCK_TIMEOUT,
+					struct bch_sb, flags[5], 16, 32);
 
 static inline __u64 BCH_SB_COMPRESSION_TYPE(const struct bch_sb *sb)
 {
diff --git a/fs/bcachefs/btree_iter.c b/fs/bcachefs/btree_iter.c
index 36872207f09b..aa8a049071f4 100644
--- a/fs/bcachefs/btree_iter.c
+++ b/fs/bcachefs/btree_iter.c
@@ -1921,6 +1921,11 @@ struct btree *bch2_btree_iter_next_node(struct btree_iter *iter)
 	bch2_trans_verify_not_in_restart(trans);
 	bch2_btree_iter_verify(iter);
 
+	ret = bch2_btree_path_traverse(trans, iter->path, iter->flags);
+	if (ret)
+		goto err;
+
+
 	struct btree_path *path = btree_iter_path(trans, iter);
 
 	/* already at end? */
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 31ee50184be2..e61f9695771e 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1264,7 +1264,7 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
 			ret = bch2_btree_reserve_get(trans, as, nr_nodes, flags, &cl);
 
 			bch2_trans_unlock(trans);
-			closure_sync(&cl);
+			bch2_wait_on_allocator(c, &cl);
 		} while (bch2_err_matches(ret, BCH_ERR_operation_blocked));
 	}
 
diff --git a/fs/bcachefs/ec.c b/fs/bcachefs/ec.c
index 9b5b5c9a6c63..84f1cbf6497f 100644
--- a/fs/bcachefs/ec.c
+++ b/fs/bcachefs/ec.c
@@ -1809,6 +1809,9 @@ static int new_stripe_alloc_buckets(struct btree_trans *trans, struct ec_stripe_
 	BUG_ON(v->nr_blocks	!= h->s->nr_data + h->s->nr_parity);
 	BUG_ON(v->nr_redundant	!= h->s->nr_parity);
 
+	/* * We bypass the sector allocator which normally does this: */
+	bitmap_and(devs.d, devs.d, c->rw_devs[BCH_DATA_user].d, BCH_SB_MEMBERS_MAX);
+
 	for_each_set_bit(i, h->s->blocks_gotten, v->nr_blocks) {
 		__clear_bit(v->ptrs[i].dev, devs.d);
 		if (i < h->s->nr_data)
@@ -2235,6 +2238,23 @@ void bch2_stripes_heap_to_text(struct printbuf *out, struct bch_fs *c)
 	mutex_unlock(&c->ec_stripes_heap_lock);
 }
 
+static void bch2_new_stripe_to_text(struct printbuf *out, struct bch_fs *c,
+				    struct ec_stripe_new *s)
+{
+	prt_printf(out, "\tidx %llu blocks %u+%u allocated %u ref %u %u %s obs",
+		   s->idx, s->nr_data, s->nr_parity,
+		   bitmap_weight(s->blocks_allocated, s->nr_data),
+		   atomic_read(&s->ref[STRIPE_REF_io]),
+		   atomic_read(&s->ref[STRIPE_REF_stripe]),
+		   bch2_watermarks[s->h->watermark]);
+
+	struct bch_stripe *v = &bkey_i_to_stripe(&s->new_stripe.key)->v;
+	unsigned i;
+	for_each_set_bit(i, s->blocks_gotten, v->nr_blocks)
+		prt_printf(out, " %u", s->blocks[i]);
+	prt_newline(out);
+}
+
 void bch2_new_stripes_to_text(struct printbuf *out, struct bch_fs *c)
 {
 	struct ec_stripe_head *h;
@@ -2247,23 +2267,15 @@ void bch2_new_stripes_to_text(struct printbuf *out, struct bch_fs *c)
 		       bch2_watermarks[h->watermark]);
 
 		if (h->s)
-			prt_printf(out, "\tidx %llu blocks %u+%u allocated %u\n",
-			       h->s->idx, h->s->nr_data, h->s->nr_parity,
-			       bitmap_weight(h->s->blocks_allocated,
-					     h->s->nr_data));
+			bch2_new_stripe_to_text(out, c, h->s);
 	}
 	mutex_unlock(&c->ec_stripe_head_lock);
 
 	prt_printf(out, "in flight:\n");
 
 	mutex_lock(&c->ec_stripe_new_lock);
-	list_for_each_entry(s, &c->ec_stripe_new_list, list) {
-		prt_printf(out, "\tidx %llu blocks %u+%u ref %u %u %s\n",
-			   s->idx, s->nr_data, s->nr_parity,
-			   atomic_read(&s->ref[STRIPE_REF_io]),
-			   atomic_read(&s->ref[STRIPE_REF_stripe]),
-			   bch2_watermarks[s->h->watermark]);
-	}
+	list_for_each_entry(s, &c->ec_stripe_new_list, list)
+		bch2_new_stripe_to_text(out, c, s);
 	mutex_unlock(&c->ec_stripe_new_lock);
 }
 
diff --git a/fs/bcachefs/io_misc.c b/fs/bcachefs/io_misc.c
index 2cf6297756f8..177ed331c00b 100644
--- a/fs/bcachefs/io_misc.c
+++ b/fs/bcachefs/io_misc.c
@@ -126,11 +126,7 @@ err_noprint:
 
 	if (closure_nr_remaining(&cl) != 1) {
 		bch2_trans_unlock_long(trans);
-
-		if (closure_sync_timeout(&cl, HZ * 10)) {
-			bch2_print_allocator_stuck(c);
-			closure_sync(&cl);
-		}
+		bch2_wait_on_allocator(c, &cl);
 	}
 
 	return ret;
diff --git a/fs/bcachefs/io_read.c b/fs/bcachefs/io_read.c
index 4531c9ab3e12..7ee3b75480df 100644
--- a/fs/bcachefs/io_read.c
+++ b/fs/bcachefs/io_read.c
@@ -406,6 +406,7 @@ static void bch2_read_retry_nodecode(struct bch_fs *c, struct bch_read_bio *rbio
 	bch2_trans_iter_init(trans, &iter, rbio->data_btree,
 			     rbio->read_pos, BTREE_ITER_slots);
 retry:
+	bch2_trans_begin(trans);
 	rbio->bio.bi_status = 0;
 
 	k = bch2_btree_iter_peek_slot(&iter);
diff --git a/fs/bcachefs/io_write.c b/fs/bcachefs/io_write.c
index d31c8d006d97..1d4761d15002 100644
--- a/fs/bcachefs/io_write.c
+++ b/fs/bcachefs/io_write.c
@@ -1503,10 +1503,7 @@ err:
 	if ((op->flags & BCH_WRITE_SYNC) ||
 	    (!(op->flags & BCH_WRITE_SUBMITTED) &&
 	     !(op->flags & BCH_WRITE_IN_WORKER))) {
-		if (closure_sync_timeout(&op->cl, HZ * 10)) {
-			bch2_print_allocator_stuck(c);
-			closure_sync(&op->cl);
-		}
+		bch2_wait_on_allocator(c, &op->cl);
 
 		__bch2_write_index(op);
 
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index 60b93018501f..cda1725702ea 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -391,6 +391,11 @@ enum fsck_err_opts {
 	  OPT_BOOL(),							\
 	  BCH_SB_JOURNAL_TRANSACTION_NAMES, true,			\
 	  NULL,		"Log transaction function names in journal")	\
+	x(allocator_stuck_timeout,	u16,				\
+	  OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME,			\
+	  OPT_UINT(0, U16_MAX),						\
+	  BCH_SB_ALLOCATOR_STUCK_TIMEOUT, 30,				\
+	  NULL,		"Default timeout in seconds for stuck allocator messages")\
 	x(noexcl,			u8,				\
 	  OPT_FS|OPT_MOUNT,						\
 	  OPT_BOOL(),							\
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index 8bc819832790..c8c2ccbdfbb5 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -414,6 +414,10 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb,
 
 		if (!BCH_SB_VERSION_UPGRADE_COMPLETE(sb))
 			SET_BCH_SB_VERSION_UPGRADE_COMPLETE(sb, le16_to_cpu(sb->version));
+
+		if (le16_to_cpu(sb->version) <= bcachefs_metadata_version_disk_accounting_v2 &&
+		    !BCH_SB_ALLOCATOR_STUCK_TIMEOUT(sb))
+			SET_BCH_SB_ALLOCATOR_STUCK_TIMEOUT(sb, 30);
 	}
 
 	for (opt_id = 0; opt_id < bch2_opts_nr; opt_id++) {
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 0455a1001fec..e7fa2de35014 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -1193,7 +1193,6 @@ static void bch2_dev_free(struct bch_dev *ca)
 	if (ca->kobj.state_in_sysfs)
 		kobject_del(&ca->kobj);
 
-	kfree(ca->buckets_nouse);
 	bch2_free_super(&ca->disk_sb);
 	bch2_dev_allocator_background_exit(ca);
 	bch2_dev_journal_exit(ca);
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index 1c0d1fb20276..f393023a3ae2 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -367,7 +367,7 @@ SHOW(bch2_fs)
 		bch2_stripes_heap_to_text(out, c);
 
 	if (attr == &sysfs_open_buckets)
-		bch2_open_buckets_to_text(out, c);
+		bch2_open_buckets_to_text(out, c, NULL);
 
 	if (attr == &sysfs_open_buckets_partial)
 		bch2_open_buckets_partial_to_text(out, c);
@@ -811,6 +811,9 @@ SHOW(bch2_dev)
 	if (attr == &sysfs_alloc_debug)
 		bch2_dev_alloc_debug_to_text(out, ca);
 
+	if (attr == &sysfs_open_buckets)
+		bch2_open_buckets_to_text(out, c, ca);
+
 	return 0;
 }
 
@@ -892,6 +895,7 @@ struct attribute *bch2_dev_files[] = {
 
 	/* debug: */
 	&sysfs_alloc_debug,
+	&sysfs_open_buckets,
 	NULL
 };
 
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 9f10a9f23fcc..9914419f3b7d 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1868,7 +1868,10 @@ out:
 
 out_release_extents:
 	btrfs_release_log_ctx_extents(&ctx);
-	btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP);
+	if (skip_ilock)
+		up_write(&inode->i_mmap_lock);
+	else
+		btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP);
 	goto out;
 }
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 19d05a4c5c33..333b0e8587a2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1585,6 +1585,7 @@ out_unlock:
 					     locked_page, &cached,
 					     clear_bits,
 					     page_ops);
+		btrfs_qgroup_free_data(inode, NULL, start, cur_alloc_size, NULL);
 		start += cur_alloc_size;
 	}
 
@@ -1598,6 +1599,7 @@ out_unlock:
 		clear_bits |= EXTENT_CLEAR_DATA_RESV;
 		extent_clear_unlock_delalloc(inode, start, end, locked_page,
 					     &cached, clear_bits, page_ops);
+		btrfs_qgroup_free_data(inode, NULL, start, cur_alloc_size, NULL);
 	}
 	return ret;
 }
@@ -2259,6 +2261,7 @@ error:
 					     EXTENT_DO_ACCOUNTING, PAGE_UNLOCK |
 					     PAGE_START_WRITEBACK |
 					     PAGE_END_WRITEBACK);
+		btrfs_qgroup_free_data(inode, NULL, cur_offset, end - cur_offset + 1, NULL);
 	}
 	btrfs_free_path(path);
 	return ret;
@@ -7202,6 +7205,12 @@ static void wait_subpage_spinlock(struct page *page)
 	spin_unlock_irq(&subpage->lock);
 }
 
+static int btrfs_launder_folio(struct folio *folio)
+{
+	return btrfs_qgroup_free_data(folio_to_inode(folio), NULL, folio_pos(folio),
+				      PAGE_SIZE, NULL);
+}
+
 static bool __btrfs_release_folio(struct folio *folio, gfp_t gfp_flags)
 {
 	if (try_release_extent_mapping(&folio->page, gfp_flags)) {
@@ -10137,6 +10146,7 @@ static const struct address_space_operations btrfs_aops = {
 	.writepages	= btrfs_writepages,
 	.readahead	= btrfs_readahead,
 	.invalidate_folio = btrfs_invalidate_folio,
+	.launder_folio	= btrfs_launder_folio,
 	.release_folio	= btrfs_release_folio,
 	.migrate_folio	= btrfs_migrate_folio,
 	.dirty_folio	= filemap_dirty_folio,
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 32dcea662da3..fc821aa446f0 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -14,7 +14,7 @@
 
 struct root_name_map {
 	u64 id;
-	char name[16];
+	const char *name;
 };
 
 static const struct root_name_map root_map[] = {
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 14a8d7100018..0de9162ff481 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1648,14 +1648,20 @@ static void scrub_reset_stripe(struct scrub_stripe *stripe)
 	}
 }
 
+static u32 stripe_length(const struct scrub_stripe *stripe)
+{
+	ASSERT(stripe->bg);
+
+	return min(BTRFS_STRIPE_LEN,
+		   stripe->bg->start + stripe->bg->length - stripe->logical);
+}
+
 static void scrub_submit_extent_sector_read(struct scrub_ctx *sctx,
 					    struct scrub_stripe *stripe)
 {
 	struct btrfs_fs_info *fs_info = stripe->bg->fs_info;
 	struct btrfs_bio *bbio = NULL;
-	unsigned int nr_sectors = min(BTRFS_STRIPE_LEN, stripe->bg->start +
-				      stripe->bg->length - stripe->logical) >>
-				  fs_info->sectorsize_bits;
+	unsigned int nr_sectors = stripe_length(stripe) >> fs_info->sectorsize_bits;
 	u64 stripe_len = BTRFS_STRIPE_LEN;
 	int mirror = stripe->mirror_num;
 	int i;
@@ -1729,9 +1735,7 @@ static void scrub_submit_initial_read(struct scrub_ctx *sctx,
 {
 	struct btrfs_fs_info *fs_info = sctx->fs_info;
 	struct btrfs_bio *bbio;
-	unsigned int nr_sectors = min(BTRFS_STRIPE_LEN, stripe->bg->start +
-				      stripe->bg->length - stripe->logical) >>
-				  fs_info->sectorsize_bits;
+	unsigned int nr_sectors = stripe_length(stripe) >> fs_info->sectorsize_bits;
 	int mirror = stripe->mirror_num;
 
 	ASSERT(stripe->bg);
@@ -1871,6 +1875,9 @@ static int flush_scrub_stripes(struct scrub_ctx *sctx)
 		stripe = &sctx->stripes[i];
 
 		wait_scrub_stripe_io(stripe);
+		spin_lock(&sctx->stat_lock);
+		sctx->stat.last_physical = stripe->physical + stripe_length(stripe);
+		spin_unlock(&sctx->stat_lock);
 		scrub_reset_stripe(stripe);
 	}
 out:
@@ -2139,7 +2146,9 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx,
 					 cur_physical, &found_logical);
 		if (ret > 0) {
 			/* No more extent, just update the accounting */
+			spin_lock(&sctx->stat_lock);
 			sctx->stat.last_physical = physical + logical_length;
+			spin_unlock(&sctx->stat_lock);
 			ret = 0;
 			break;
 		}
@@ -2336,6 +2345,10 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
 			stripe_logical += chunk_logical;
 			ret = scrub_raid56_parity_stripe(sctx, scrub_dev, bg,
 							 map, stripe_logical);
+			spin_lock(&sctx->stat_lock);
+			sctx->stat.last_physical = min(physical + BTRFS_STRIPE_LEN,
+						       physical_end);
+			spin_unlock(&sctx->stat_lock);
 			if (ret)
 				goto out;
 			goto next;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 08d33cb372fb..83478deada3b 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -683,8 +683,11 @@ bool btrfs_check_options(const struct btrfs_fs_info *info,
 		ret = false;
 
 	if (!test_bit(BTRFS_FS_STATE_REMOUNTING, &info->fs_state)) {
-		if (btrfs_raw_test_opt(*mount_opt, SPACE_CACHE))
+		if (btrfs_raw_test_opt(*mount_opt, SPACE_CACHE)) {
 			btrfs_info(info, "disk space caching is enabled");
+			btrfs_warn(info,
+"space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2");
+		}
 		if (btrfs_raw_test_opt(*mount_opt, FREE_SPACE_TREE))
 			btrfs_info(info, "using free-space-tree");
 	}
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index e98aa8219303..808c9c048276 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2016,6 +2016,8 @@ bool __ceph_should_report_size(struct ceph_inode_info *ci)
  *  CHECK_CAPS_AUTHONLY - we should only check the auth cap
  *  CHECK_CAPS_FLUSH - we should flush any dirty caps immediately, without
  *    further delay.
+ *  CHECK_CAPS_FLUSH_FORCE - we should flush any caps immediately, without
+ *    further delay.
  */
 void ceph_check_caps(struct ceph_inode_info *ci, int flags)
 {
@@ -2097,7 +2099,7 @@ retry:
 	}
 
 	doutc(cl, "%p %llx.%llx file_want %s used %s dirty %s "
-	      "flushing %s issued %s revoking %s retain %s %s%s%s\n",
+	      "flushing %s issued %s revoking %s retain %s %s%s%s%s\n",
 	     inode, ceph_vinop(inode), ceph_cap_string(file_wanted),
 	     ceph_cap_string(used), ceph_cap_string(ci->i_dirty_caps),
 	     ceph_cap_string(ci->i_flushing_caps),
@@ -2105,7 +2107,8 @@ retry:
 	     ceph_cap_string(retain),
 	     (flags & CHECK_CAPS_AUTHONLY) ? " AUTHONLY" : "",
 	     (flags & CHECK_CAPS_FLUSH) ? " FLUSH" : "",
-	     (flags & CHECK_CAPS_NOINVAL) ? " NOINVAL" : "");
+	     (flags & CHECK_CAPS_NOINVAL) ? " NOINVAL" : "",
+	     (flags & CHECK_CAPS_FLUSH_FORCE) ? " FLUSH_FORCE" : "");
 
 	/*
 	 * If we no longer need to hold onto old our caps, and we may
@@ -2180,6 +2183,11 @@ retry:
 				queue_writeback = true;
 		}
 
+		if (flags & CHECK_CAPS_FLUSH_FORCE) {
+			doutc(cl, "force to flush caps\n");
+			goto ack;
+		}
+
 		if (cap == ci->i_auth_cap &&
 		    (cap->issued & CEPH_CAP_FILE_WR)) {
 			/* request larger max_size from MDS? */
@@ -3510,6 +3518,8 @@ static void handle_cap_grant(struct inode *inode,
 	bool queue_invalidate = false;
 	bool deleted_inode = false;
 	bool fill_inline = false;
+	bool revoke_wait = false;
+	int flags = 0;
 
 	/*
 	 * If there is at least one crypto block then we'll trust
@@ -3705,16 +3715,18 @@ static void handle_cap_grant(struct inode *inode,
 		      ceph_cap_string(cap->issued), ceph_cap_string(newcaps),
 		      ceph_cap_string(revoking));
 		if (S_ISREG(inode->i_mode) &&
-		    (revoking & used & CEPH_CAP_FILE_BUFFER))
+		    (revoking & used & CEPH_CAP_FILE_BUFFER)) {
 			writeback = true;  /* initiate writeback; will delay ack */
-		else if (queue_invalidate &&
+			revoke_wait = true;
+		} else if (queue_invalidate &&
 			 revoking == CEPH_CAP_FILE_CACHE &&
-			 (newcaps & CEPH_CAP_FILE_LAZYIO) == 0)
-			; /* do nothing yet, invalidation will be queued */
-		else if (cap == ci->i_auth_cap)
+			 (newcaps & CEPH_CAP_FILE_LAZYIO) == 0) {
+			revoke_wait = true; /* do nothing yet, invalidation will be queued */
+		} else if (cap == ci->i_auth_cap) {
 			check_caps = 1; /* check auth cap only */
-		else
+		} else {
 			check_caps = 2; /* check all caps */
+		}
 		/* If there is new caps, try to wake up the waiters */
 		if (~cap->issued & newcaps)
 			wake = true;
@@ -3741,8 +3753,9 @@ static void handle_cap_grant(struct inode *inode,
 	BUG_ON(cap->issued & ~cap->implemented);
 
 	/* don't let check_caps skip sending a response to MDS for revoke msgs */
-	if (le32_to_cpu(grant->op) == CEPH_CAP_OP_REVOKE) {
+	if (!revoke_wait && le32_to_cpu(grant->op) == CEPH_CAP_OP_REVOKE) {
 		cap->mds_wanted = 0;
+		flags |= CHECK_CAPS_FLUSH_FORCE;
 		if (cap == ci->i_auth_cap)
 			check_caps = 1; /* check auth cap only */
 		else
@@ -3798,9 +3811,9 @@ static void handle_cap_grant(struct inode *inode,
 
 	mutex_unlock(&session->s_mutex);
 	if (check_caps == 1)
-		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY | CHECK_CAPS_NOINVAL);
+		ceph_check_caps(ci, flags | CHECK_CAPS_AUTHONLY | CHECK_CAPS_NOINVAL);
 	else if (check_caps == 2)
-		ceph_check_caps(ci, CHECK_CAPS_NOINVAL);
+		ceph_check_caps(ci, flags | CHECK_CAPS_NOINVAL);
 }
 
 /*
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index b63b4cd9b5b6..6e817bf1337c 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -200,9 +200,10 @@ struct ceph_cap {
 	struct list_head caps_item;
 };
 
-#define CHECK_CAPS_AUTHONLY   1  /* only check auth cap */
-#define CHECK_CAPS_FLUSH      2  /* flush any dirty caps */
-#define CHECK_CAPS_NOINVAL    4  /* don't invalidate pagecache */
+#define CHECK_CAPS_AUTHONLY     1  /* only check auth cap */
+#define CHECK_CAPS_FLUSH        2  /* flush any dirty caps */
+#define CHECK_CAPS_NOINVAL      4  /* don't invalidate pagecache */
+#define CHECK_CAPS_FLUSH_FORCE  8  /* force flush any caps */
 
 struct ceph_cap_flush {
 	u64 tid;
diff --git a/fs/file.c b/fs/file.c
index a3b72aa64f11..a11e59b5d602 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -1248,6 +1248,7 @@ __releases(&files->file_lock)
 	 * tables and this condition does not arise without those.
 	 */
 	fdt = files_fdtable(files);
+	fd = array_index_nospec(fd, fdt->max_fds);
 	tofree = fdt->fd[fd];
 	if (!tofree && fd_is_open(fd, fdt))
 		goto Ebusy;
diff --git a/fs/smb/client/cifsfs.h b/fs/smb/client/cifsfs.h
index 62d5fee3e5eb..ca2bd204bcc5 100644
--- a/fs/smb/client/cifsfs.h
+++ b/fs/smb/client/cifsfs.h
@@ -147,6 +147,6 @@ extern const struct export_operations cifs_export_ops;
 #endif /* CONFIG_CIFS_NFSD_EXPORT */
 
 /* when changing internal version - update following two lines at same time */
-#define SMB3_PRODUCT_BUILD 49
-#define CIFS_VERSION   "2.49"
+#define SMB3_PRODUCT_BUILD 50
+#define CIFS_VERSION   "2.50"
 #endif				/* _CIFSFS_H */
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 8e86fec7dcd2..f6d1f075987f 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -1471,29 +1471,6 @@ struct cifs_io_parms {
 	struct TCP_Server_Info *server;
 };
 
-struct cifs_aio_ctx {
-	struct kref		refcount;
-	struct list_head	list;
-	struct mutex		aio_mutex;
-	struct completion	done;
-	struct iov_iter		iter;
-	struct kiocb		*iocb;
-	struct cifsFileInfo	*cfile;
-	struct bio_vec		*bv;
-	loff_t			pos;
-	unsigned int		nr_pinned_pages;
-	ssize_t			rc;
-	unsigned int		len;
-	unsigned int		total_len;
-	unsigned int		bv_need_unpin;	/* If ->bv[] needs unpinning */
-	bool			should_dirty;
-	/*
-	 * Indicates if this aio_ctx is for direct_io,
-	 * If yes, iter is a copy of the user passed iov_iter
-	 */
-	bool			direct_io;
-};
-
 struct cifs_io_request {
 	struct netfs_io_request		rreq;
 	struct cifsFileInfo		*cfile;
@@ -2010,7 +1987,6 @@ require use of the stronger protocol */
  * cifsFileInfo->file_info_lock	cifsFileInfo->count		cifs_new_fileinfo
  *				->invalidHandle			initiate_cifs_search
  *				->oplock_break_cancelled
- * cifs_aio_ctx->aio_mutex		cifs_aio_ctx			cifs_aio_ctx_alloc
  ****************************************************************************/
 
 #ifdef DECLARE_GLOBALS_HERE
diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h
index c15bb5ee7eb7..497bf3c447bc 100644
--- a/fs/smb/client/cifsproto.h
+++ b/fs/smb/client/cifsproto.h
@@ -619,8 +619,6 @@ int __cifs_calc_signature(struct smb_rqst *rqst,
 			struct shash_desc *shash);
 enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
 					enum securityEnum);
-struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
-void cifs_aio_ctx_release(struct kref *refcount);
 
 int cifs_alloc_hash(const char *name, struct shash_desc **sdesc);
 void cifs_free_hash(struct shash_desc **sdesc);
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 4a8aa1de9522..dd0afa23734c 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -1042,13 +1042,26 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data,
 	}
 
 	rc = -EOPNOTSUPP;
-	switch ((data->reparse.tag = tag)) {
-	case 0: /* SMB1 symlink */
+	data->reparse.tag = tag;
+	if (!data->reparse.tag) {
 		if (server->ops->query_symlink) {
 			rc = server->ops->query_symlink(xid, tcon,
 							cifs_sb, full_path,
 							&data->symlink_target);
 		}
+		if (rc == -EOPNOTSUPP)
+			data->reparse.tag = IO_REPARSE_TAG_INTERNAL;
+	}
+
+	switch (data->reparse.tag) {
+	case 0: /* SMB1 symlink */
+		break;
+	case IO_REPARSE_TAG_INTERNAL:
+		rc = 0;
+		if (le32_to_cpu(data->fi.Attributes) & ATTR_DIRECTORY) {
+			cifs_create_junction_fattr(fattr, sb);
+			goto out;
+		}
 		break;
 	case IO_REPARSE_TAG_MOUNT_POINT:
 		cifs_create_junction_fattr(fattr, sb);
diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c
index 855ac5a62edf..44dbaf9929a4 100644
--- a/fs/smb/client/ioctl.c
+++ b/fs/smb/client/ioctl.c
@@ -170,7 +170,10 @@ static long smb_mnt_get_fsinfo(unsigned int xid, struct cifs_tcon *tcon,
 static int cifs_shutdown(struct super_block *sb, unsigned long arg)
 {
 	struct cifs_sb_info *sbi = CIFS_SB(sb);
+	struct tcon_link *tlink;
+	struct cifs_tcon *tcon;
 	__u32 flags;
+	int rc;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
@@ -178,14 +181,21 @@ static int cifs_shutdown(struct super_block *sb, unsigned long arg)
 	if (get_user(flags, (__u32 __user *)arg))
 		return -EFAULT;
 
-	if (flags > CIFS_GOING_FLAGS_NOLOGFLUSH)
-		return -EINVAL;
+	tlink = cifs_sb_tlink(sbi);
+	if (IS_ERR(tlink))
+		return PTR_ERR(tlink);
+	tcon = tlink_tcon(tlink);
+
+	trace_smb3_shutdown_enter(flags, tcon->tid);
+	if (flags > CIFS_GOING_FLAGS_NOLOGFLUSH) {
+		rc = -EINVAL;
+		goto shutdown_out_err;
+	}
 
 	if (cifs_forced_shutdown(sbi))
-		return 0;
+		goto shutdown_good;
 
 	cifs_dbg(VFS, "shut down requested (%d)", flags);
-/*	trace_cifs_shutdown(sb, flags);*/
 
 	/*
 	 * see:
@@ -201,7 +211,8 @@ static int cifs_shutdown(struct super_block *sb, unsigned long arg)
 	 */
 	case CIFS_GOING_FLAGS_DEFAULT:
 		cifs_dbg(FYI, "shutdown with default flag not supported\n");
-		return -EINVAL;
+		rc = -EINVAL;
+		goto shutdown_out_err;
 	/*
 	 * FLAGS_LOGFLUSH is easy since it asks to write out metadata (not
 	 * data) but metadata writes are not cached on the client, so can treat
@@ -210,11 +221,18 @@ static int cifs_shutdown(struct super_block *sb, unsigned long arg)
 	case CIFS_GOING_FLAGS_LOGFLUSH:
 	case CIFS_GOING_FLAGS_NOLOGFLUSH:
 		sbi->mnt_cifs_flags |= CIFS_MOUNT_SHUTDOWN;
-		return 0;
+		goto shutdown_good;
 	default:
-		return -EINVAL;
+		rc = -EINVAL;
+		goto shutdown_out_err;
 	}
+
+shutdown_good:
+	trace_smb3_shutdown_done(flags, tcon->tid);
 	return 0;
+shutdown_out_err:
+	trace_smb3_shutdown_err(rc, flags, tcon->tid);
+	return rc;
 }
 
 static int cifs_dump_full_key(struct cifs_tcon *tcon, struct smb3_full_key_debug_info __user *in)
diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c
index 07c468ddb88a..b28ff62f1f15 100644
--- a/fs/smb/client/misc.c
+++ b/fs/smb/client/misc.c
@@ -995,60 +995,6 @@ parse_DFS_referrals_exit:
 	return rc;
 }
 
-struct cifs_aio_ctx *
-cifs_aio_ctx_alloc(void)
-{
-	struct cifs_aio_ctx *ctx;
-
-	/*
-	 * Must use kzalloc to initialize ctx->bv to NULL and ctx->direct_io
-	 * to false so that we know when we have to unreference pages within
-	 * cifs_aio_ctx_release()
-	 */
-	ctx = kzalloc(sizeof(struct cifs_aio_ctx), GFP_KERNEL);
-	if (!ctx)
-		return NULL;
-
-	INIT_LIST_HEAD(&ctx->list);
-	mutex_init(&ctx->aio_mutex);
-	init_completion(&ctx->done);
-	kref_init(&ctx->refcount);
-	return ctx;
-}
-
-void
-cifs_aio_ctx_release(struct kref *refcount)
-{
-	struct cifs_aio_ctx *ctx = container_of(refcount,
-					struct cifs_aio_ctx, refcount);
-
-	cifsFileInfo_put(ctx->cfile);
-
-	/*
-	 * ctx->bv is only set if setup_aio_ctx_iter() was call successfuly
-	 * which means that iov_iter_extract_pages() was a success and thus
-	 * that we may have references or pins on pages that we need to
-	 * release.
-	 */
-	if (ctx->bv) {
-		if (ctx->should_dirty || ctx->bv_need_unpin) {
-			unsigned int i;
-
-			for (i = 0; i < ctx->nr_pinned_pages; i++) {
-				struct page *page = ctx->bv[i].bv_page;
-
-				if (ctx->should_dirty)
-					set_page_dirty(page);
-				if (ctx->bv_need_unpin)
-					unpin_user_page(page);
-			}
-		}
-		kvfree(ctx->bv);
-	}
-
-	kfree(ctx);
-}
-
 /**
  * cifs_alloc_hash - allocate hash and hash context together
  * @name: The name of the crypto hash algo
diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c
index a0ffbda90733..689d8a506d45 100644
--- a/fs/smb/client/reparse.c
+++ b/fs/smb/client/reparse.c
@@ -505,6 +505,10 @@ bool cifs_reparse_point_to_fattr(struct cifs_sb_info *cifs_sb,
 	}
 
 	switch (tag) {
+	case IO_REPARSE_TAG_INTERNAL:
+		if (!(fattr->cf_cifsattrs & ATTR_DIRECTORY))
+			return false;
+		fallthrough;
 	case IO_REPARSE_TAG_DFS:
 	case IO_REPARSE_TAG_DFSR:
 	case IO_REPARSE_TAG_MOUNT_POINT:
diff --git a/fs/smb/client/reparse.h b/fs/smb/client/reparse.h
index 6b55d1df9e2f..2c0644bc4e65 100644
--- a/fs/smb/client/reparse.h
+++ b/fs/smb/client/reparse.h
@@ -12,6 +12,12 @@
 #include "fs_context.h"
 #include "cifsglob.h"
 
+/*
+ * Used only by cifs.ko to ignore reparse points from files when client or
+ * server doesn't support FSCTL_GET_REPARSE_POINT.
+ */
+#define IO_REPARSE_TAG_INTERNAL ((__u32)~0U)
+
 static inline dev_t reparse_nfs_mkdev(struct reparse_posix_data *buf)
 {
 	u64 v = le64_to_cpu(*(__le64 *)buf->DataBuffer);
@@ -78,10 +84,19 @@ static inline u32 reparse_mode_wsl_tag(mode_t mode)
 static inline bool reparse_inode_match(struct inode *inode,
 				       struct cifs_fattr *fattr)
 {
+	struct cifsInodeInfo *cinode = CIFS_I(inode);
 	struct timespec64 ctime = inode_get_ctime(inode);
 
-	return (CIFS_I(inode)->cifsAttrs & ATTR_REPARSE) &&
-		CIFS_I(inode)->reparse_tag == fattr->cf_cifstag &&
+	/*
+	 * Do not match reparse tags when client or server doesn't support
+	 * FSCTL_GET_REPARSE_POINT.  @fattr->cf_cifstag should contain correct
+	 * reparse tag from query dir response but the client won't be able to
+	 * read the reparse point data anyway.  This spares us a revalidation.
+	 */
+	if (cinode->reparse_tag != IO_REPARSE_TAG_INTERNAL &&
+	    cinode->reparse_tag != fattr->cf_cifstag)
+		return false;
+	return (cinode->cifsAttrs & ATTR_REPARSE) &&
 		timespec64_equal(&ctime, &fattr->cf_ctime);
 }
 
diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c
index 5c02a12251c8..9f5bc41433c1 100644
--- a/fs/smb/client/smb2inode.c
+++ b/fs/smb/client/smb2inode.c
@@ -930,6 +930,8 @@ int smb2_query_path_info(const unsigned int xid,
 
 	switch (rc) {
 	case 0:
+		rc = parse_create_response(data, cifs_sb, &out_iov[0]);
+		break;
 	case -EOPNOTSUPP:
 		/*
 		 * BB TODO: When support for special files added to Samba
@@ -948,7 +950,8 @@ int smb2_query_path_info(const unsigned int xid,
 			cmds[num_cmds++] = SMB2_OP_GET_REPARSE;
 
 		oparms = CIFS_OPARMS(cifs_sb, tcon, full_path,
-				     FILE_READ_ATTRIBUTES | FILE_READ_EA,
+				     FILE_READ_ATTRIBUTES |
+				     FILE_READ_EA | SYNCHRONIZE,
 				     FILE_OPEN, create_options |
 				     OPEN_REPARSE_POINT, ACL_NO_MODE);
 		cifs_get_readable_path(tcon, full_path, &cfile);
@@ -1256,7 +1259,8 @@ int smb2_query_reparse_point(const unsigned int xid,
 	cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path);
 
 	cifs_get_readable_path(tcon, full_path, &cfile);
-	oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, FILE_READ_ATTRIBUTES,
+	oparms = CIFS_OPARMS(cifs_sb, tcon, full_path,
+			     FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE,
 			     FILE_OPEN, OPEN_REPARSE_POINT, ACL_NO_MODE);
 	rc = smb2_compound_op(xid, tcon, cifs_sb,
 			      full_path, &oparms, &in_iov,
diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h
index 6b3bdfb97211..0f0c10c7ada7 100644
--- a/fs/smb/client/trace.h
+++ b/fs/smb/client/trace.h
@@ -1388,7 +1388,7 @@ DECLARE_EVENT_CLASS(smb3_ioctl_class,
 		__entry->command = command;
 	),
 	TP_printk("xid=%u fid=0x%llx ioctl cmd=0x%x",
-		__entry->xid, __entry->fid, __entry->command)
+		  __entry->xid, __entry->fid, __entry->command)
 )
 
 #define DEFINE_SMB3_IOCTL_EVENT(name)        \
@@ -1400,9 +1400,58 @@ DEFINE_EVENT(smb3_ioctl_class, smb3_##name,  \
 
 DEFINE_SMB3_IOCTL_EVENT(ioctl);
 
+DECLARE_EVENT_CLASS(smb3_shutdown_class,
+	TP_PROTO(__u32 flags,
+		__u32 tid),
+	TP_ARGS(flags, tid),
+	TP_STRUCT__entry(
+		__field(__u32, flags)
+		__field(__u32, tid)
+	),
+	TP_fast_assign(
+		__entry->flags = flags;
+		__entry->tid = tid;
+	),
+	TP_printk("flags=0x%x tid=0x%x",
+		  __entry->flags, __entry->tid)
+)
+
+#define DEFINE_SMB3_SHUTDOWN_EVENT(name)        \
+DEFINE_EVENT(smb3_shutdown_class, smb3_##name,  \
+	TP_PROTO(__u32 flags,		     \
+		__u32 tid),		     \
+	TP_ARGS(flags, tid))
+
+DEFINE_SMB3_SHUTDOWN_EVENT(shutdown_enter);
+DEFINE_SMB3_SHUTDOWN_EVENT(shutdown_done);
 
+DECLARE_EVENT_CLASS(smb3_shutdown_err_class,
+	TP_PROTO(int rc,
+		__u32 flags,
+		__u32 tid),
+	TP_ARGS(rc, flags, tid),
+	TP_STRUCT__entry(
+		__field(int, rc)
+		__field(__u32, flags)
+		__field(__u32, tid)
+	),
+	TP_fast_assign(
+		__entry->rc = rc;
+		__entry->flags = flags;
+		__entry->tid = tid;
+	),
+	TP_printk("rc=%d flags=0x%x tid=0x%x",
+		__entry->rc, __entry->flags, __entry->tid)
+)
 
+#define DEFINE_SMB3_SHUTDOWN_ERR_EVENT(name)        \
+DEFINE_EVENT(smb3_shutdown_err_class, smb3_##name,  \
+	TP_PROTO(int rc,		     \
+		__u32 flags,		     \
+		__u32 tid),		     \
+	TP_ARGS(rc, flags, tid))
 
+DEFINE_SMB3_SHUTDOWN_ERR_EVENT(shutdown_err);
 
 DECLARE_EVENT_CLASS(smb3_credit_class,
 	TP_PROTO(__u64	currmid,
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index 5d88c184f0fc..01e99e98457d 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -112,7 +112,7 @@ static void release_ei(struct kref *ref)
 			entry->release(entry->name, ei->data);
 	}
 
-	call_rcu(&ei->rcu, free_ei_rcu);
+	call_srcu(&eventfs_srcu, &ei->rcu, free_ei_rcu);
 }
 
 static inline void put_ei(struct eventfs_inode *ei)
@@ -736,7 +736,7 @@ struct eventfs_inode *eventfs_create_dir(const char *name, struct eventfs_inode
 	/* Was the parent freed? */
 	if (list_empty(&ei->list)) {
 		cleanup_ei(ei);
-		ei = NULL;
+		ei = ERR_PTR(-EBUSY);
 	}
 	return ei;
 }
diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c
index 1028ab6d9a74..1748dff58c3b 100644
--- a/fs/tracefs/inode.c
+++ b/fs/tracefs/inode.c
@@ -42,7 +42,7 @@ static struct inode *tracefs_alloc_inode(struct super_block *sb)
 	struct tracefs_inode *ti;
 	unsigned long flags;
 
-	ti = kmem_cache_alloc(tracefs_inode_cachep, GFP_KERNEL);
+	ti = alloc_inode_sb(sb, tracefs_inode_cachep, GFP_KERNEL);
 	if (!ti)
 		return NULL;
 
@@ -53,15 +53,14 @@ static struct inode *tracefs_alloc_inode(struct super_block *sb)
 	return &ti->vfs_inode;
 }
 
-static void tracefs_free_inode_rcu(struct rcu_head *rcu)
+static void tracefs_free_inode(struct inode *inode)
 {
-	struct tracefs_inode *ti;
+	struct tracefs_inode *ti = get_tracefs(inode);
 
-	ti = container_of(rcu, struct tracefs_inode, rcu);
 	kmem_cache_free(tracefs_inode_cachep, ti);
 }
 
-static void tracefs_free_inode(struct inode *inode)
+static void tracefs_destroy_inode(struct inode *inode)
 {
 	struct tracefs_inode *ti = get_tracefs(inode);
 	unsigned long flags;
@@ -69,8 +68,6 @@ static void tracefs_free_inode(struct inode *inode)
 	spin_lock_irqsave(&tracefs_inode_lock, flags);
 	list_del_rcu(&ti->list);
 	spin_unlock_irqrestore(&tracefs_inode_lock, flags);
-
-	call_rcu(&ti->rcu, tracefs_free_inode_rcu);
 }
 
 static ssize_t default_read_file(struct file *file, char __user *buf,
@@ -437,6 +434,7 @@ static int tracefs_drop_inode(struct inode *inode)
 static const struct super_operations tracefs_super_operations = {
 	.alloc_inode    = tracefs_alloc_inode,
 	.free_inode     = tracefs_free_inode,
+	.destroy_inode  = tracefs_destroy_inode,
 	.drop_inode     = tracefs_drop_inode,
 	.statfs		= simple_statfs,
 	.show_options	= tracefs_show_options,
diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h
index f704d8348357..d83c2a25f288 100644
--- a/fs/tracefs/internal.h
+++ b/fs/tracefs/internal.h
@@ -10,10 +10,7 @@ enum {
 };
 
 struct tracefs_inode {
-	union {
-		struct inode            vfs_inode;
-		struct rcu_head		rcu;
-	};
+	struct inode            vfs_inode;
 	/* The below gets initialized with memset_after(ti, 0, vfs_inode) */
 	struct list_head	list;
 	unsigned long           flags;
diff --git a/fs/xfs/libxfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h
index cb035da3f990..fb05f44f6c75 100644
--- a/fs/xfs/libxfs/xfs_quota_defs.h
+++ b/fs/xfs/libxfs/xfs_quota_defs.h
@@ -56,7 +56,7 @@ typedef uint8_t		xfs_dqtype_t;
  * And, of course, we also need to take into account the dquot log format item
  * used to describe each dquot.
  */
-#define XFS_DQUOT_LOGRES(mp)	\
+#define XFS_DQUOT_LOGRES	\
 	((sizeof(struct xfs_dq_logformat) + sizeof(struct xfs_disk_dquot)) * 6)
 
 #define XFS_IS_QUOTA_ON(mp)		((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 3dc8f785bf29..45aaf169806a 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -338,11 +338,11 @@ xfs_calc_write_reservation(
 					blksz);
 		t1 += adj;
 		t3 += adj;
-		return XFS_DQUOT_LOGRES(mp) + max3(t1, t2, t3);
+		return XFS_DQUOT_LOGRES + max3(t1, t2, t3);
 	}
 
 	t4 = xfs_calc_refcountbt_reservation(mp, 1);
-	return XFS_DQUOT_LOGRES(mp) + max(t4, max3(t1, t2, t3));
+	return XFS_DQUOT_LOGRES + max(t4, max3(t1, t2, t3));
 }
 
 unsigned int
@@ -410,11 +410,11 @@ xfs_calc_itruncate_reservation(
 					xfs_refcountbt_block_count(mp, 4),
 					blksz);
 
-		return XFS_DQUOT_LOGRES(mp) + max3(t1, t2, t3);
+		return XFS_DQUOT_LOGRES + max3(t1, t2, t3);
 	}
 
 	t4 = xfs_calc_refcountbt_reservation(mp, 2);
-	return XFS_DQUOT_LOGRES(mp) + max(t4, max3(t1, t2, t3));
+	return XFS_DQUOT_LOGRES + max(t4, max3(t1, t2, t3));
 }
 
 unsigned int
@@ -466,7 +466,7 @@ STATIC uint
 xfs_calc_rename_reservation(
 	struct xfs_mount	*mp)
 {
-	unsigned int		overhead = XFS_DQUOT_LOGRES(mp);
+	unsigned int		overhead = XFS_DQUOT_LOGRES;
 	struct xfs_trans_resv	*resp = M_RES(mp);
 	unsigned int		t1, t2, t3 = 0;
 
@@ -577,7 +577,7 @@ STATIC uint
 xfs_calc_link_reservation(
 	struct xfs_mount	*mp)
 {
-	unsigned int		overhead = XFS_DQUOT_LOGRES(mp);
+	unsigned int		overhead = XFS_DQUOT_LOGRES;
 	struct xfs_trans_resv	*resp = M_RES(mp);
 	unsigned int		t1, t2, t3 = 0;
 
@@ -641,7 +641,7 @@ STATIC uint
 xfs_calc_remove_reservation(
 	struct xfs_mount	*mp)
 {
-	unsigned int            overhead = XFS_DQUOT_LOGRES(mp);
+	unsigned int            overhead = XFS_DQUOT_LOGRES;
 	struct xfs_trans_resv   *resp = M_RES(mp);
 	unsigned int            t1, t2, t3 = 0;
 
@@ -729,7 +729,7 @@ xfs_calc_icreate_reservation(
 	struct xfs_mount	*mp)
 {
 	struct xfs_trans_resv	*resp = M_RES(mp);
-	unsigned int		overhead = XFS_DQUOT_LOGRES(mp);
+	unsigned int		overhead = XFS_DQUOT_LOGRES;
 	unsigned int		t1, t2, t3 = 0;
 
 	t1 = xfs_calc_icreate_resv_alloc(mp);
@@ -747,7 +747,7 @@ STATIC uint
 xfs_calc_create_tmpfile_reservation(
 	struct xfs_mount        *mp)
 {
-	uint	res = XFS_DQUOT_LOGRES(mp);
+	uint	res = XFS_DQUOT_LOGRES;
 
 	res += xfs_calc_icreate_resv_alloc(mp);
 	return res + xfs_calc_iunlink_add_reservation(mp);
@@ -829,7 +829,7 @@ STATIC uint
 xfs_calc_ifree_reservation(
 	struct xfs_mount	*mp)
 {
-	return XFS_DQUOT_LOGRES(mp) +
+	return XFS_DQUOT_LOGRES +
 		xfs_calc_inode_res(mp, 1) +
 		xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) +
 		xfs_calc_iunlink_remove_reservation(mp) +
@@ -846,7 +846,7 @@ STATIC uint
 xfs_calc_ichange_reservation(
 	struct xfs_mount	*mp)
 {
-	return XFS_DQUOT_LOGRES(mp) +
+	return XFS_DQUOT_LOGRES +
 		xfs_calc_inode_res(mp, 1) +
 		xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
 
@@ -955,7 +955,7 @@ STATIC uint
 xfs_calc_addafork_reservation(
 	struct xfs_mount	*mp)
 {
-	return XFS_DQUOT_LOGRES(mp) +
+	return XFS_DQUOT_LOGRES +
 		xfs_calc_inode_res(mp, 1) +
 		xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
 		xfs_calc_buf_res(1, mp->m_dir_geo->blksize) +
@@ -1003,7 +1003,7 @@ STATIC uint
 xfs_calc_attrsetm_reservation(
 	struct xfs_mount	*mp)
 {
-	return XFS_DQUOT_LOGRES(mp) +
+	return XFS_DQUOT_LOGRES +
 		xfs_calc_inode_res(mp, 1) +
 		xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) +
 		xfs_calc_buf_res(XFS_DA_NODE_MAXDEPTH, XFS_FSB_TO_B(mp, 1));
@@ -1043,7 +1043,7 @@ STATIC uint
 xfs_calc_attrrm_reservation(
 	struct xfs_mount	*mp)
 {
-	return XFS_DQUOT_LOGRES(mp) +
+	return XFS_DQUOT_LOGRES +
 		max((xfs_calc_inode_res(mp, 1) +
 		     xfs_calc_buf_res(XFS_DA_NODE_MAXDEPTH,
 				      XFS_FSB_TO_B(mp, 1)) +
diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
index 0dbc484b182f..2f98d90d7fd6 100644
--- a/fs/xfs/scrub/agheader_repair.c
+++ b/fs/xfs/scrub/agheader_repair.c
@@ -696,7 +696,7 @@ xrep_agfl_init_header(
 	 * step.
 	 */
 	xagb_bitmap_init(&af.used_extents);
-	af.agfl_bno = xfs_buf_to_agfl_bno(agfl_bp),
+	af.agfl_bno = xfs_buf_to_agfl_bno(agfl_bp);
 	xagb_bitmap_walk(agfl_extents, xrep_agfl_fill, &af);
 	error = xagb_bitmap_disunion(agfl_extents, &af.used_extents);
 	if (error)
diff --git a/fs/xfs/scrub/parent.c b/fs/xfs/scrub/parent.c
index 733c410a2279..91e7b51ce068 100644
--- a/fs/xfs/scrub/parent.c
+++ b/fs/xfs/scrub/parent.c
@@ -799,7 +799,7 @@ xchk_parent_pptr(
 	}
 
 	if (pp->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
-		goto out_pp;
+		goto out_names;
 
 	/*
 	 * Complain if the number of parent pointers doesn't match the link
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h
index 92ef4cdc486e..c886d5d0eb02 100644
--- a/fs/xfs/scrub/trace.h
+++ b/fs/xfs/scrub/trace.h
@@ -959,18 +959,16 @@ TRACE_EVENT(xfile_create,
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
 		__field(unsigned long, ino)
-		__array(char, pathname, 256)
+		__array(char, pathname, MAXNAMELEN)
 	),
 	TP_fast_assign(
-		char		pathname[257];
 		char		*path;
 
 		__entry->ino = file_inode(xf->file)->i_ino;
-		memset(pathname, 0, sizeof(pathname));
-		path = file_path(xf->file, pathname, sizeof(pathname) - 1);
+		path = file_path(xf->file, __entry->pathname, MAXNAMELEN);
 		if (IS_ERR(path))
-			path = "(unknown)";
-		strncpy(__entry->pathname, path, sizeof(__entry->pathname));
+			strncpy(__entry->pathname, "(unknown)",
+					sizeof(__entry->pathname));
 	),
 	TP_printk("xfino 0x%lx path '%s'",
 		  __entry->ino,
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 5c947e5ce8b8..7db386304875 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -139,7 +139,7 @@ xfs_attr_shortform_list(
 		sbp->name = sfe->nameval;
 		sbp->namelen = sfe->namelen;
 		/* These are bytes, and both on-disk, don't endian-flip */
-		sbp->value = &sfe->nameval[sfe->namelen],
+		sbp->value = &sfe->nameval[sfe->namelen];
 		sbp->valuelen = sfe->valuelen;
 		sbp->flags = sfe->flags;
 		sbp->hash = xfs_attr_hashval(dp->i_mount, sfe->flags,
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 5646d300b286..180ce697305a 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -4715,20 +4715,18 @@ TRACE_EVENT(xmbuf_create,
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
 		__field(unsigned long, ino)
-		__array(char, pathname, 256)
+		__array(char, pathname, MAXNAMELEN)
 	),
 	TP_fast_assign(
-		char		pathname[257];
 		char		*path;
 		struct file	*file = btp->bt_file;
 
 		__entry->dev = btp->bt_mount->m_super->s_dev;
 		__entry->ino = file_inode(file)->i_ino;
-		memset(pathname, 0, sizeof(pathname));
-		path = file_path(file, pathname, sizeof(pathname) - 1);
+		path = file_path(file, __entry->pathname, MAXNAMELEN);
 		if (IS_ERR(path))
-			path = "(unknown)";
-		strncpy(__entry->pathname, path, sizeof(__entry->pathname));
+			strncpy(__entry->pathname, "(unknown)",
+					sizeof(__entry->pathname));
 	),
 	TP_printk("dev %d:%d xmino 0x%lx path '%s'",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index ab3d22f662f2..eaf849260bd6 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -110,7 +110,24 @@ xfs_attr_change(
 	args->whichfork = XFS_ATTR_FORK;
 	xfs_attr_sethash(args);
 
-	return xfs_attr_set(args, op, args->attr_filter & XFS_ATTR_ROOT);
+	/*
+	 * Some xattrs must be resistant to allocation failure at ENOSPC, e.g.
+	 * creating an inode with ACLs or security attributes requires the
+	 * allocation of the xattr holding that information to succeed. Hence
+	 * we allow xattrs in the VFS TRUSTED, SYSTEM, POSIX_ACL and SECURITY
+	 * (LSM xattr) namespaces to dip into the reserve block pool to allow
+	 * manipulation of these xattrs when at ENOSPC. These VFS xattr
+	 * namespaces translate to the XFS_ATTR_ROOT and XFS_ATTR_SECURE on-disk
+	 * namespaces.
+	 *
+	 * For most of these cases, these special xattrs will fit in the inode
+	 * itself and so consume no extra space or only require temporary extra
+	 * space while an overwrite is being made. Hence the use of the reserved
+	 * pool is largely to avoid the worst case reservation from preventing
+	 * the xattr from being created at ENOSPC.
+	 */
+	return xfs_attr_set(args, op,
+			args->attr_filter & (XFS_ATTR_ROOT | XFS_ATTR_SECURE));
 }