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-rw-r--r--fs/xfs/libxfs/xfs_alloc.c8
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c13
-rw-r--r--fs/xfs/scrub/common.h5
-rw-r--r--fs/xfs/scrub/inode_repair.c12
-rw-r--r--fs/xfs/scrub/orphanage.c9
-rw-r--r--fs/xfs/scrub/repair.h11
-rw-r--r--fs/xfs/scrub/scrub.c12
-rw-r--r--fs/xfs/xfs_aops.c66
-rw-r--r--fs/xfs/xfs_buf.c218
-rw-r--r--fs/xfs/xfs_buf.h8
-rw-r--r--fs/xfs/xfs_buf_mem.c2
-rw-r--r--fs/xfs/xfs_exchrange.c71
-rw-r--r--fs/xfs/xfs_file.c19
-rw-r--r--fs/xfs/xfs_inode.c7
-rw-r--r--fs/xfs/xfs_iomap.c14
-rw-r--r--fs/xfs/xfs_iops.c4
-rw-r--r--fs/xfs/xfs_log_recover.c2
-rw-r--r--fs/xfs/xfs_mount.c7
-rw-r--r--fs/xfs/xfs_qm_bhv.c55
-rw-r--r--fs/xfs/xfs_rtalloc.c2
-rw-r--r--fs/xfs/xfs_super.c11
-rw-r--r--fs/xfs/xfs_trace.h1
22 files changed, 280 insertions, 277 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 3d33e17f2e5c..7839efe050bf 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -33,8 +33,6 @@ struct kmem_cache *xfs_extfree_item_cache;
struct workqueue_struct *xfs_alloc_wq;
-#define XFS_ABSDIFF(a,b) (((a) <= (b)) ? ((b) - (a)) : ((a) - (b)))
-
#define XFSA_FIXUP_BNO_OK 1
#define XFSA_FIXUP_CNT_OK 2
@@ -410,8 +408,8 @@ xfs_alloc_compute_diff(
if (newbno1 != NULLAGBLOCK && newbno2 != NULLAGBLOCK) {
if (newlen1 < newlen2 ||
(newlen1 == newlen2 &&
- XFS_ABSDIFF(newbno1, wantbno) >
- XFS_ABSDIFF(newbno2, wantbno)))
+ abs_diff(newbno1, wantbno) >
+ abs_diff(newbno2, wantbno)))
newbno1 = newbno2;
} else if (newbno2 != NULLAGBLOCK)
newbno1 = newbno2;
@@ -427,7 +425,7 @@ xfs_alloc_compute_diff(
} else
newbno1 = freeend - wantlen;
*newbnop = newbno1;
- return newbno1 == NULLAGBLOCK ? 0 : XFS_ABSDIFF(newbno1, wantbno);
+ return newbno1 == NULLAGBLOCK ? 0 : abs_diff(newbno1, wantbno);
}
/*
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 40ad22fb808b..0ef19f1469ec 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -3563,12 +3563,12 @@ xfs_bmap_btalloc_at_eof(
int error;
/*
- * If there are already extents in the file, try an exact EOF block
- * allocation to extend the file as a contiguous extent. If that fails,
- * or it's the first allocation in a file, just try for a stripe aligned
- * allocation.
+ * If there are already extents in the file, and xfs_bmap_adjacent() has
+ * given a better blkno, try an exact EOF block allocation to extend the
+ * file as a contiguous extent. If that fails, or it's the first
+ * allocation in a file, just try for a stripe aligned allocation.
*/
- if (ap->offset) {
+ if (ap->eof) {
xfs_extlen_t nextminlen = 0;
/*
@@ -3736,7 +3736,8 @@ xfs_bmap_btalloc_best_length(
int error;
ap->blkno = XFS_INO_TO_FSB(args->mp, ap->ip->i_ino);
- xfs_bmap_adjacent(ap);
+ if (!xfs_bmap_adjacent(ap))
+ ap->eof = false;
/*
* Search for an allocation group with a single extent large enough for
diff --git a/fs/xfs/scrub/common.h b/fs/xfs/scrub/common.h
index bdcd40f0ec74..19877d99f255 100644
--- a/fs/xfs/scrub/common.h
+++ b/fs/xfs/scrub/common.h
@@ -224,7 +224,6 @@ static inline bool xchk_skip_xref(struct xfs_scrub_metadata *sm)
bool xchk_dir_looks_zapped(struct xfs_inode *dp);
bool xchk_pptr_looks_zapped(struct xfs_inode *ip);
-#ifdef CONFIG_XFS_ONLINE_REPAIR
/* Decide if a repair is required. */
static inline bool xchk_needs_repair(const struct xfs_scrub_metadata *sm)
{
@@ -244,10 +243,6 @@ static inline bool xchk_could_repair(const struct xfs_scrub *sc)
return (sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) &&
!(sc->flags & XREP_ALREADY_FIXED);
}
-#else
-# define xchk_needs_repair(sc) (false)
-# define xchk_could_repair(sc) (false)
-#endif /* CONFIG_XFS_ONLINE_REPAIR */
int xchk_metadata_inode_forks(struct xfs_scrub *sc);
diff --git a/fs/xfs/scrub/inode_repair.c b/fs/xfs/scrub/inode_repair.c
index 2f641b6d663e..13ff1c933cb8 100644
--- a/fs/xfs/scrub/inode_repair.c
+++ b/fs/xfs/scrub/inode_repair.c
@@ -1055,9 +1055,17 @@ xrep_dinode_check_dfork(
return true;
break;
case S_IFREG:
- if (fmt == XFS_DINODE_FMT_LOCAL)
+ switch (fmt) {
+ case XFS_DINODE_FMT_LOCAL:
return true;
- fallthrough;
+ case XFS_DINODE_FMT_EXTENTS:
+ case XFS_DINODE_FMT_BTREE:
+ case XFS_DINODE_FMT_META_BTREE:
+ break;
+ default:
+ return true;
+ }
+ break;
case S_IFLNK:
case S_IFDIR:
switch (fmt) {
diff --git a/fs/xfs/scrub/orphanage.c b/fs/xfs/scrub/orphanage.c
index c287c755f2c5..3537f3cca6d5 100644
--- a/fs/xfs/scrub/orphanage.c
+++ b/fs/xfs/scrub/orphanage.c
@@ -167,10 +167,11 @@ xrep_orphanage_create(
* directory to control access to a file we put in here.
*/
if (d_really_is_negative(orphanage_dentry)) {
- error = vfs_mkdir(&nop_mnt_idmap, root_inode, orphanage_dentry,
- 0750);
- if (error)
- goto out_dput_orphanage;
+ orphanage_dentry = vfs_mkdir(&nop_mnt_idmap, root_inode,
+ orphanage_dentry, 0750);
+ error = PTR_ERR(orphanage_dentry);
+ if (IS_ERR(orphanage_dentry))
+ goto out_unlock_root;
}
/* Not a directory? Bail out. */
diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h
index 823c00d1a502..af0a3a9e5ed9 100644
--- a/fs/xfs/scrub/repair.h
+++ b/fs/xfs/scrub/repair.h
@@ -191,7 +191,16 @@ int xrep_reset_metafile_resv(struct xfs_scrub *sc);
#else
#define xrep_ino_dqattach(sc) (0)
-#define xrep_will_attempt(sc) (false)
+
+/*
+ * When online repair is not built into the kernel, we still want to attempt
+ * the repair so that the stub xrep_attempt below will return EOPNOTSUPP.
+ */
+static inline bool xrep_will_attempt(const struct xfs_scrub *sc)
+{
+ return (sc->sm->sm_flags & XFS_SCRUB_IFLAG_FORCE_REBUILD) ||
+ xchk_needs_repair(sc->sm);
+}
static inline int
xrep_attempt(
diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c
index 7567dd5cad14..6fa9e3e5bab7 100644
--- a/fs/xfs/scrub/scrub.c
+++ b/fs/xfs/scrub/scrub.c
@@ -149,6 +149,18 @@ xchk_probe(
if (xchk_should_terminate(sc, &error))
return error;
+ /*
+ * If the caller is probing to see if repair works but repair isn't
+ * built into the kernel, return EOPNOTSUPP because that's the signal
+ * that userspace expects. If online repair is built in, set the
+ * CORRUPT flag (without any of the usual tracing/logging) to force us
+ * into xrep_probe.
+ */
+ if (xchk_could_repair(sc)) {
+ if (!IS_ENABLED(CONFIG_XFS_ONLINE_REPAIR))
+ return -EOPNOTSUPP;
+ sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+ }
return 0;
}
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 67877c36ed11..5077d52a775d 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -19,6 +19,7 @@
#include "xfs_reflink.h"
#include "xfs_errortag.h"
#include "xfs_error.h"
+#include "xfs_icache.h"
struct xfs_writepage_ctx {
struct iomap_writepage_ctx ctx;
@@ -114,7 +115,7 @@ xfs_end_ioend(
*/
error = blk_status_to_errno(ioend->io_bio.bi_status);
if (unlikely(error)) {
- if (ioend->io_flags & IOMAP_F_SHARED) {
+ if (ioend->io_flags & IOMAP_IOEND_SHARED) {
xfs_reflink_cancel_cow_range(ip, offset, size, true);
xfs_bmap_punch_delalloc_range(ip, XFS_DATA_FORK, offset,
offset + size);
@@ -125,9 +126,9 @@ xfs_end_ioend(
/*
* Success: commit the COW or unwritten blocks if needed.
*/
- if (ioend->io_flags & IOMAP_F_SHARED)
+ if (ioend->io_flags & IOMAP_IOEND_SHARED)
error = xfs_reflink_end_cow(ip, offset, size);
- else if (ioend->io_type == IOMAP_UNWRITTEN)
+ else if (ioend->io_flags & IOMAP_IOEND_UNWRITTEN)
error = xfs_iomap_write_unwritten(ip, offset, size, false);
if (!error && xfs_ioend_is_append(ioend))
@@ -395,10 +396,11 @@ allocate_blocks:
}
static int
-xfs_prepare_ioend(
- struct iomap_ioend *ioend,
+xfs_submit_ioend(
+ struct iomap_writepage_ctx *wpc,
int status)
{
+ struct iomap_ioend *ioend = wpc->ioend;
unsigned int nofs_flag;
/*
@@ -409,7 +411,7 @@ xfs_prepare_ioend(
nofs_flag = memalloc_nofs_save();
/* Convert CoW extents to regular */
- if (!status && (ioend->io_flags & IOMAP_F_SHARED)) {
+ if (!status && (ioend->io_flags & IOMAP_IOEND_SHARED)) {
status = xfs_reflink_convert_cow(XFS_I(ioend->io_inode),
ioend->io_offset, ioend->io_size);
}
@@ -417,10 +419,14 @@ xfs_prepare_ioend(
memalloc_nofs_restore(nofs_flag);
/* send ioends that might require a transaction to the completion wq */
- if (xfs_ioend_is_append(ioend) || ioend->io_type == IOMAP_UNWRITTEN ||
- (ioend->io_flags & IOMAP_F_SHARED))
+ if (xfs_ioend_is_append(ioend) ||
+ (ioend->io_flags & (IOMAP_IOEND_UNWRITTEN | IOMAP_IOEND_SHARED)))
ioend->io_bio.bi_end_io = xfs_end_bio;
- return status;
+
+ if (status)
+ return status;
+ submit_bio(&ioend->io_bio);
+ return 0;
}
/*
@@ -462,7 +468,7 @@ xfs_discard_folio(
static const struct iomap_writeback_ops xfs_writeback_ops = {
.map_blocks = xfs_map_blocks,
- .prepare_ioend = xfs_prepare_ioend,
+ .submit_ioend = xfs_submit_ioend,
.discard_folio = xfs_discard_folio,
};
@@ -528,12 +534,44 @@ xfs_vm_readahead(
}
static int
-xfs_iomap_swapfile_activate(
+xfs_vm_swap_activate(
struct swap_info_struct *sis,
struct file *swap_file,
sector_t *span)
{
- sis->bdev = xfs_inode_buftarg(XFS_I(file_inode(swap_file)))->bt_bdev;
+ struct xfs_inode *ip = XFS_I(file_inode(swap_file));
+
+ /*
+ * Swap file activation can race against concurrent shared extent
+ * removal in files that have been cloned. If this happens,
+ * iomap_swapfile_iter() can fail because it encountered a shared
+ * extent even though an operation is in progress to remove those
+ * shared extents.
+ *
+ * This race becomes problematic when we defer extent removal
+ * operations beyond the end of a syscall (i.e. use async background
+ * processing algorithms). Users think the extents are no longer
+ * shared, but iomap_swapfile_iter() still sees them as shared
+ * because the refcountbt entries for the extents being removed have
+ * not yet been updated. Hence the swapon call fails unexpectedly.
+ *
+ * The race condition is currently most obvious from the unlink()
+ * operation as extent removal is deferred until after the last
+ * reference to the inode goes away. We then process the extent
+ * removal asynchronously, hence triggers the "syscall completed but
+ * work not done" condition mentioned above. To close this race
+ * window, we need to flush any pending inodegc operations to ensure
+ * they have updated the refcountbt records before we try to map the
+ * swapfile.
+ */
+ xfs_inodegc_flush(ip->i_mount);
+
+ /*
+ * Direct the swap code to the correct block device when this file
+ * sits on the RT device.
+ */
+ sis->bdev = xfs_inode_buftarg(ip)->bt_bdev;
+
return iomap_swapfile_activate(sis, swap_file, span,
&xfs_read_iomap_ops);
}
@@ -549,11 +587,11 @@ const struct address_space_operations xfs_address_space_operations = {
.migrate_folio = filemap_migrate_folio,
.is_partially_uptodate = iomap_is_partially_uptodate,
.error_remove_folio = generic_error_remove_folio,
- .swap_activate = xfs_iomap_swapfile_activate,
+ .swap_activate = xfs_vm_swap_activate,
};
const struct address_space_operations xfs_dax_aops = {
.writepages = xfs_dax_writepages,
.dirty_folio = noop_dirty_folio,
- .swap_activate = xfs_iomap_swapfile_activate,
+ .swap_activate = xfs_vm_swap_activate,
};
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index d1d4a0a22e13..5d560e9073f4 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -29,11 +29,6 @@ struct kmem_cache *xfs_buf_cache;
/*
* Locking orders
*
- * xfs_buf_ioacct_inc:
- * xfs_buf_ioacct_dec:
- * b_sema (caller holds)
- * b_lock
- *
* xfs_buf_stale:
* b_sema (caller holds)
* b_lock
@@ -41,8 +36,7 @@ struct kmem_cache *xfs_buf_cache;
*
* xfs_buf_rele:
* b_lock
- * pag_buf_lock
- * lru_lock
+ * lru_lock
*
* xfs_buftarg_drain_rele
* lru_lock
@@ -83,51 +77,6 @@ xfs_buf_vmap_len(
}
/*
- * Bump the I/O in flight count on the buftarg if we haven't yet done so for
- * this buffer. The count is incremented once per buffer (per hold cycle)
- * because the corresponding decrement is deferred to buffer release. Buffers
- * can undergo I/O multiple times in a hold-release cycle and per buffer I/O
- * tracking adds unnecessary overhead. This is used for sychronization purposes
- * with unmount (see xfs_buftarg_drain()), so all we really need is a count of
- * in-flight buffers.
- *
- * Buffers that are never released (e.g., superblock, iclog buffers) must set
- * the XBF_NO_IOACCT flag before I/O submission. Otherwise, the buftarg count
- * never reaches zero and unmount hangs indefinitely.
- */
-static inline void
-xfs_buf_ioacct_inc(
- struct xfs_buf *bp)
-{
- if (bp->b_flags & XBF_NO_IOACCT)
- return;
-
- ASSERT(bp->b_flags & XBF_ASYNC);
- spin_lock(&bp->b_lock);
- if (!(bp->b_state & XFS_BSTATE_IN_FLIGHT)) {
- bp->b_state |= XFS_BSTATE_IN_FLIGHT;
- percpu_counter_inc(&bp->b_target->bt_io_count);
- }
- spin_unlock(&bp->b_lock);
-}
-
-/*
- * Clear the in-flight state on a buffer about to be released to the LRU or
- * freed and unaccount from the buftarg.
- */
-static inline void
-__xfs_buf_ioacct_dec(
- struct xfs_buf *bp)
-{
- lockdep_assert_held(&bp->b_lock);
-
- if (bp->b_state & XFS_BSTATE_IN_FLIGHT) {
- bp->b_state &= ~XFS_BSTATE_IN_FLIGHT;
- percpu_counter_dec(&bp->b_target->bt_io_count);
- }
-}
-
-/*
* When we mark a buffer stale, we remove the buffer from the LRU and clear the
* b_lru_ref count so that the buffer is freed immediately when the buffer
* reference count falls to zero. If the buffer is already on the LRU, we need
@@ -150,15 +99,7 @@ xfs_buf_stale(
*/
bp->b_flags &= ~_XBF_DELWRI_Q;
- /*
- * Once the buffer is marked stale and unlocked, a subsequent lookup
- * could reset b_flags. There is no guarantee that the buffer is
- * unaccounted (released to LRU) before that occurs. Drop in-flight
- * status now to preserve accounting consistency.
- */
spin_lock(&bp->b_lock);
- __xfs_buf_ioacct_dec(bp);
-
atomic_set(&bp->b_lru_ref, 0);
if (!(bp->b_state & XFS_BSTATE_DISPOSE) &&
(list_lru_del_obj(&bp->b_target->bt_lru, &bp->b_lru)))
@@ -220,23 +161,25 @@ _xfs_buf_alloc(
*/
flags &= ~(XBF_UNMAPPED | XBF_TRYLOCK | XBF_ASYNC | XBF_READ_AHEAD);
- spin_lock_init(&bp->b_lock);
+ /*
+ * A new buffer is held and locked by the owner. This ensures that the
+ * buffer is owned by the caller and racing RCU lookups right after
+ * inserting into the hash table are safe (and will have to wait for
+ * the unlock to do anything non-trivial).
+ */
bp->b_hold = 1;
+ sema_init(&bp->b_sema, 0); /* held, no waiters */
+
+ spin_lock_init(&bp->b_lock);
atomic_set(&bp->b_lru_ref, 1);
init_completion(&bp->b_iowait);
INIT_LIST_HEAD(&bp->b_lru);
INIT_LIST_HEAD(&bp->b_list);
INIT_LIST_HEAD(&bp->b_li_list);
- sema_init(&bp->b_sema, 0); /* held, no waiters */
bp->b_target = target;
bp->b_mount = target->bt_mount;
bp->b_flags = flags;
- /*
- * Set length and io_length to the same value initially.
- * I/O routines should use io_length, which will be the same in
- * most cases but may be reset (e.g. XFS recovery).
- */
error = xfs_buf_get_maps(bp, nmaps);
if (error) {
kmem_cache_free(xfs_buf_cache, bp);
@@ -502,7 +445,6 @@ int
xfs_buf_cache_init(
struct xfs_buf_cache *bch)
{
- spin_lock_init(&bch->bc_lock);
return rhashtable_init(&bch->bc_hash, &xfs_buf_hash_params);
}
@@ -652,17 +594,20 @@ xfs_buf_find_insert(
if (error)
goto out_free_buf;
- spin_lock(&bch->bc_lock);
+ /* The new buffer keeps the perag reference until it is freed. */
+ new_bp->b_pag = pag;
+
+ rcu_read_lock();
bp = rhashtable_lookup_get_insert_fast(&bch->bc_hash,
&new_bp->b_rhash_head, xfs_buf_hash_params);
if (IS_ERR(bp)) {
+ rcu_read_unlock();
error = PTR_ERR(bp);
- spin_unlock(&bch->bc_lock);
goto out_free_buf;
}
if (bp && xfs_buf_try_hold(bp)) {
/* found an existing buffer */
- spin_unlock(&bch->bc_lock);
+ rcu_read_unlock();
error = xfs_buf_find_lock(bp, flags);
if (error)
xfs_buf_rele(bp);
@@ -670,10 +615,8 @@ xfs_buf_find_insert(
*bpp = bp;
goto out_free_buf;
}
+ rcu_read_unlock();
- /* The new buffer keeps the perag reference until it is freed. */
- new_bp->b_pag = pag;
- spin_unlock(&bch->bc_lock);
*bpp = new_bp;
return 0;
@@ -793,18 +736,13 @@ out_put_perag:
int
_xfs_buf_read(
- struct xfs_buf *bp,
- xfs_buf_flags_t flags)
+ struct xfs_buf *bp)
{
- ASSERT(!(flags & XBF_WRITE));
ASSERT(bp->b_maps[0].bm_bn != XFS_BUF_DADDR_NULL);
bp->b_flags &= ~(XBF_WRITE | XBF_ASYNC | XBF_READ_AHEAD | XBF_DONE);
- bp->b_flags |= flags & (XBF_READ | XBF_ASYNC | XBF_READ_AHEAD);
-
+ bp->b_flags |= XBF_READ;
xfs_buf_submit(bp);
- if (flags & XBF_ASYNC)
- return 0;
return xfs_buf_iowait(bp);
}
@@ -856,6 +794,8 @@ xfs_buf_read_map(
struct xfs_buf *bp;
int error;
+ ASSERT(!(flags & (XBF_WRITE | XBF_ASYNC | XBF_READ_AHEAD)));
+
flags |= XBF_READ;
*bpp = NULL;
@@ -869,21 +809,11 @@ xfs_buf_read_map(
/* Initiate the buffer read and wait. */
XFS_STATS_INC(target->bt_mount, xb_get_read);
bp->b_ops = ops;
- error = _xfs_buf_read(bp, flags);
-
- /* Readahead iodone already dropped the buffer, so exit. */
- if (flags & XBF_ASYNC)
- return 0;
+ error = _xfs_buf_read(bp);
} else {
/* Buffer already read; all we need to do is check it. */
error = xfs_buf_reverify(bp, ops);
- /* Readahead already finished; drop the buffer and exit. */
- if (flags & XBF_ASYNC) {
- xfs_buf_relse(bp);
- return 0;
- }
-
/* We do not want read in the flags */
bp->b_flags &= ~XBF_READ;
ASSERT(bp->b_ops != NULL || ops == NULL);
@@ -935,6 +865,7 @@ xfs_buf_readahead_map(
int nmaps,
const struct xfs_buf_ops *ops)
{
+ const xfs_buf_flags_t flags = XBF_READ | XBF_ASYNC | XBF_READ_AHEAD;
struct xfs_buf *bp;
/*
@@ -944,9 +875,21 @@ xfs_buf_readahead_map(
if (xfs_buftarg_is_mem(target))
return;
- xfs_buf_read_map(target, map, nmaps,
- XBF_TRYLOCK | XBF_ASYNC | XBF_READ_AHEAD, &bp, ops,
- __this_address);
+ if (xfs_buf_get_map(target, map, nmaps, flags | XBF_TRYLOCK, &bp))
+ return;
+ trace_xfs_buf_readahead(bp, 0, _RET_IP_);
+
+ if (bp->b_flags & XBF_DONE) {
+ xfs_buf_reverify(bp, ops);
+ xfs_buf_relse(bp);
+ return;
+ }
+ XFS_STATS_INC(target->bt_mount, xb_get_read);
+ bp->b_ops = ops;
+ bp->b_flags &= ~(XBF_WRITE | XBF_DONE);
+ bp->b_flags |= flags;
+ percpu_counter_inc(&target->bt_readahead_count);
+ xfs_buf_submit(bp);
}
/*
@@ -1002,10 +945,12 @@ xfs_buf_get_uncached(
struct xfs_buf *bp;
DEFINE_SINGLE_BUF_MAP(map, XFS_BUF_DADDR_NULL, numblks);
+ /* there are currently no valid flags for xfs_buf_get_uncached */
+ ASSERT(flags == 0);
+
*bpp = NULL;
- /* flags might contain irrelevant bits, pass only what we care about */
- error = _xfs_buf_alloc(target, &map, 1, flags & XBF_NO_IOACCT, &bp);
+ error = _xfs_buf_alloc(target, &map, 1, flags, &bp);
if (error)
return error;
@@ -1059,7 +1004,6 @@ xfs_buf_rele_uncached(
spin_unlock(&bp->b_lock);
return;
}
- __xfs_buf_ioacct_dec(bp);
spin_unlock(&bp->b_lock);
xfs_buf_free(bp);
}
@@ -1078,21 +1022,12 @@ xfs_buf_rele_cached(
spin_lock(&bp->b_lock);
ASSERT(bp->b_hold >= 1);
if (bp->b_hold > 1) {
- /*
- * Drop the in-flight state if the buffer is already on the LRU
- * and it holds the only reference. This is racy because we
- * haven't acquired the pag lock, but the use of _XBF_IN_FLIGHT
- * ensures the decrement occurs only once per-buf.
- */
- if (--bp->b_hold == 1 && !list_empty(&bp->b_lru))
- __xfs_buf_ioacct_dec(bp);
+ bp->b_hold--;
goto out_unlock;
}
/* we are asked to drop the last reference */
- spin_lock(&bch->bc_lock);
- __xfs_buf_ioacct_dec(bp);
- if (!(bp->b_flags & XBF_STALE) && atomic_read(&bp->b_lru_ref)) {
+ if (atomic_read(&bp->b_lru_ref)) {
/*
* If the buffer is added to the LRU, keep the reference to the
* buffer for the LRU and clear the (now stale) dispose list
@@ -1102,7 +1037,6 @@ xfs_buf_rele_cached(
bp->b_state &= ~XFS_BSTATE_DISPOSE;
else
bp->b_hold--;
- spin_unlock(&bch->bc_lock);
} else {
bp->b_hold--;
/*
@@ -1120,7 +1054,6 @@ xfs_buf_rele_cached(
ASSERT(!(bp->b_flags & _XBF_DELWRI_Q));
rhashtable_remove_fast(&bch->bc_hash, &bp->b_rhash_head,
xfs_buf_hash_params);
- spin_unlock(&bch->bc_lock);
if (pag)
xfs_perag_put(pag);
freebuf = true;
@@ -1347,6 +1280,7 @@ xfs_buf_ioend_handle_error(
resubmit:
xfs_buf_ioerror(bp, 0);
bp->b_flags |= (XBF_DONE | XBF_WRITE_FAIL);
+ reinit_completion(&bp->b_iowait);
xfs_buf_submit(bp);
return true;
out_stale:
@@ -1357,8 +1291,9 @@ out_stale:
return false;
}
-static void
-xfs_buf_ioend(
+/* returns false if the caller needs to resubmit the I/O, else true */
+static bool
+__xfs_buf_ioend(
struct xfs_buf *bp)
{
trace_xfs_buf_iodone(bp, _RET_IP_);
@@ -1371,6 +1306,8 @@ xfs_buf_ioend(
bp->b_ops->verify_read(bp);
if (!bp->b_error)
bp->b_flags |= XBF_DONE;
+ if (bp->b_flags & XBF_READ_AHEAD)
+ percpu_counter_dec(&bp->b_target->bt_readahead_count);
} else {
if (!bp->b_error) {
bp->b_flags &= ~XBF_WRITE_FAIL;
@@ -1378,7 +1315,7 @@ xfs_buf_ioend(
}
if (unlikely(bp->b_error) && xfs_buf_ioend_handle_error(bp))
- return;
+ return false;
/* clear the retry state */
bp->b_last_error = 0;
@@ -1399,7 +1336,15 @@ xfs_buf_ioend(
bp->b_flags &= ~(XBF_READ | XBF_WRITE | XBF_READ_AHEAD |
_XBF_LOGRECOVERY);
+ return true;
+}
+static void
+xfs_buf_ioend(
+ struct xfs_buf *bp)
+{
+ if (!__xfs_buf_ioend(bp))
+ return;
if (bp->b_flags & XBF_ASYNC)
xfs_buf_relse(bp);
else
@@ -1413,15 +1358,8 @@ xfs_buf_ioend_work(
struct xfs_buf *bp =
container_of(work, struct xfs_buf, b_ioend_work);
- xfs_buf_ioend(bp);
-}
-
-static void
-xfs_buf_ioend_async(
- struct xfs_buf *bp)
-{
- INIT_WORK(&bp->b_ioend_work, xfs_buf_ioend_work);
- queue_work(bp->b_mount->m_buf_workqueue, &bp->b_ioend_work);
+ if (__xfs_buf_ioend(bp))
+ xfs_buf_relse(bp);
}
void
@@ -1493,7 +1431,13 @@ xfs_buf_bio_end_io(
XFS_TEST_ERROR(false, bp->b_mount, XFS_ERRTAG_BUF_IOERROR))
xfs_buf_ioerror(bp, -EIO);
- xfs_buf_ioend_async(bp);
+ if (bp->b_flags & XBF_ASYNC) {
+ INIT_WORK(&bp->b_ioend_work, xfs_buf_ioend_work);
+ queue_work(bp->b_mount->m_buf_workqueue, &bp->b_ioend_work);
+ } else {
+ complete(&bp->b_iowait);
+ }
+
bio_put(bio);
}
@@ -1570,9 +1514,11 @@ xfs_buf_iowait(
{
ASSERT(!(bp->b_flags & XBF_ASYNC));
- trace_xfs_buf_iowait(bp, _RET_IP_);
- wait_for_completion(&bp->b_iowait);
- trace_xfs_buf_iowait_done(bp, _RET_IP_);
+ do {
+ trace_xfs_buf_iowait(bp, _RET_IP_);
+ wait_for_completion(&bp->b_iowait);
+ trace_xfs_buf_iowait_done(bp, _RET_IP_);
+ } while (!__xfs_buf_ioend(bp));
return bp->b_error;
}
@@ -1650,9 +1596,6 @@ xfs_buf_submit(
*/
bp->b_error = 0;
- if (bp->b_flags & XBF_ASYNC)
- xfs_buf_ioacct_inc(bp);
-
if ((bp->b_flags & XBF_WRITE) && !xfs_buf_verify_write(bp)) {
xfs_force_shutdown(bp->b_mount, SHUTDOWN_CORRUPT_INCORE);
xfs_buf_ioend(bp);
@@ -1778,9 +1721,8 @@ xfs_buftarg_wait(
struct xfs_buftarg *btp)
{
/*
- * First wait on the buftarg I/O count for all in-flight buffers to be
- * released. This is critical as new buffers do not make the LRU until
- * they are released.
+ * First wait for all in-flight readahead buffers to be released. This is
+ * critical as new buffers do not make the LRU until they are released.
*
* Next, flush the buffer workqueue to ensure all completion processing
* has finished. Just waiting on buffer locks is not sufficient for
@@ -1789,7 +1731,7 @@ xfs_buftarg_wait(
* all reference counts have been dropped before we start walking the
* LRU list.
*/
- while (percpu_counter_sum(&btp->bt_io_count))
+ while (percpu_counter_sum(&btp->bt_readahead_count))
delay(100);
flush_workqueue(btp->bt_mount->m_buf_workqueue);
}
@@ -1906,8 +1848,8 @@ xfs_destroy_buftarg(
struct xfs_buftarg *btp)
{
shrinker_free(btp->bt_shrinker);
- ASSERT(percpu_counter_sum(&btp->bt_io_count) == 0);
- percpu_counter_destroy(&btp->bt_io_count);
+ ASSERT(percpu_counter_sum(&btp->bt_readahead_count) == 0);
+ percpu_counter_destroy(&btp->bt_readahead_count);
list_lru_destroy(&btp->bt_lru);
}
@@ -1961,7 +1903,7 @@ xfs_init_buftarg(
if (list_lru_init(&btp->bt_lru))
return -ENOMEM;
- if (percpu_counter_init(&btp->bt_io_count, 0, GFP_KERNEL))
+ if (percpu_counter_init(&btp->bt_readahead_count, 0, GFP_KERNEL))
goto out_destroy_lru;
btp->bt_shrinker =
@@ -1975,7 +1917,7 @@ xfs_init_buftarg(
return 0;
out_destroy_io_count:
- percpu_counter_destroy(&btp->bt_io_count);
+ percpu_counter_destroy(&btp->bt_readahead_count);
out_destroy_lru:
list_lru_destroy(&btp->bt_lru);
return -ENOMEM;
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 7e73663c5d4a..80e06eecaf56 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -27,7 +27,6 @@ struct xfs_buf;
#define XBF_READ (1u << 0) /* buffer intended for reading from device */
#define XBF_WRITE (1u << 1) /* buffer intended for writing to device */
#define XBF_READ_AHEAD (1u << 2) /* asynchronous read-ahead */
-#define XBF_NO_IOACCT (1u << 3) /* bypass I/O accounting (non-LRU bufs) */
#define XBF_ASYNC (1u << 4) /* initiator will not wait for completion */
#define XBF_DONE (1u << 5) /* all pages in the buffer uptodate */
#define XBF_STALE (1u << 6) /* buffer has been staled, do not find it */
@@ -58,7 +57,6 @@ typedef unsigned int xfs_buf_flags_t;
{ XBF_READ, "READ" }, \
{ XBF_WRITE, "WRITE" }, \
{ XBF_READ_AHEAD, "READ_AHEAD" }, \
- { XBF_NO_IOACCT, "NO_IOACCT" }, \
{ XBF_ASYNC, "ASYNC" }, \
{ XBF_DONE, "DONE" }, \
{ XBF_STALE, "STALE" }, \
@@ -77,10 +75,8 @@ typedef unsigned int xfs_buf_flags_t;
* Internal state flags.
*/
#define XFS_BSTATE_DISPOSE (1 << 0) /* buffer being discarded */
-#define XFS_BSTATE_IN_FLIGHT (1 << 1) /* I/O in flight */
struct xfs_buf_cache {
- spinlock_t bc_lock;
struct rhashtable bc_hash;
};
@@ -117,7 +113,7 @@ struct xfs_buftarg {
struct shrinker *bt_shrinker;
struct list_lru bt_lru;
- struct percpu_counter bt_io_count;
+ struct percpu_counter bt_readahead_count;
struct ratelimit_state bt_ioerror_rl;
/* Atomic write unit values */
@@ -292,7 +288,7 @@ int xfs_buf_get_uncached(struct xfs_buftarg *target, size_t numblks,
int xfs_buf_read_uncached(struct xfs_buftarg *target, xfs_daddr_t daddr,
size_t numblks, xfs_buf_flags_t flags, struct xfs_buf **bpp,
const struct xfs_buf_ops *ops);
-int _xfs_buf_read(struct xfs_buf *bp, xfs_buf_flags_t flags);
+int _xfs_buf_read(struct xfs_buf *bp);
void xfs_buf_hold(struct xfs_buf *bp);
/* Releasing Buffers */
diff --git a/fs/xfs/xfs_buf_mem.c b/fs/xfs/xfs_buf_mem.c
index 07bebbfb16ee..5b64a2b3b113 100644
--- a/fs/xfs/xfs_buf_mem.c
+++ b/fs/xfs/xfs_buf_mem.c
@@ -117,7 +117,7 @@ xmbuf_free(
struct xfs_buftarg *btp)
{
ASSERT(xfs_buftarg_is_mem(btp));
- ASSERT(percpu_counter_sum(&btp->bt_io_count) == 0);
+ ASSERT(percpu_counter_sum(&btp->bt_readahead_count) == 0);
trace_xmbuf_free(btp);
diff --git a/fs/xfs/xfs_exchrange.c b/fs/xfs/xfs_exchrange.c
index f340a2015c4c..0b41bdfecdfb 100644
--- a/fs/xfs/xfs_exchrange.c
+++ b/fs/xfs/xfs_exchrange.c
@@ -329,22 +329,6 @@ out_trans_cancel:
* successfully but before locks are dropped.
*/
-/* Verify that we have security clearance to perform this operation. */
-static int
-xfs_exchange_range_verify_area(
- struct xfs_exchrange *fxr)
-{
- int ret;
-
- ret = remap_verify_area(fxr->file1, fxr->file1_offset, fxr->length,
- true);
- if (ret)
- return ret;
-
- return remap_verify_area(fxr->file2, fxr->file2_offset, fxr->length,
- true);
-}
-
/*
* Performs necessary checks before doing a range exchange, having stabilized
* mutable inode attributes via i_rwsem.
@@ -355,11 +339,13 @@ xfs_exchange_range_checks(
unsigned int alloc_unit)
{
struct inode *inode1 = file_inode(fxr->file1);
+ loff_t size1 = i_size_read(inode1);
struct inode *inode2 = file_inode(fxr->file2);
+ loff_t size2 = i_size_read(inode2);
uint64_t allocmask = alloc_unit - 1;
int64_t test_len;
uint64_t blen;
- loff_t size1, size2, tmp;
+ loff_t tmp;
int error;
/* Don't touch certain kinds of inodes */
@@ -368,24 +354,25 @@ xfs_exchange_range_checks(
if (IS_SWAPFILE(inode1) || IS_SWAPFILE(inode2))
return -ETXTBSY;
- size1 = i_size_read(inode1);
- size2 = i_size_read(inode2);
-
/* Ranges cannot start after EOF. */
if (fxr->file1_offset > size1 || fxr->file2_offset > size2)
return -EINVAL;
- /*
- * If the caller said to exchange to EOF, we set the length of the
- * request large enough to cover everything to the end of both files.
- */
if (fxr->flags & XFS_EXCHANGE_RANGE_TO_EOF) {
+ /*
+ * If the caller said to exchange to EOF, we set the length of
+ * the request large enough to cover everything to the end of
+ * both files.
+ */
fxr->length = max_t(int64_t, size1 - fxr->file1_offset,
size2 - fxr->file2_offset);
-
- error = xfs_exchange_range_verify_area(fxr);
- if (error)
- return error;
+ } else {
+ /*
+ * Otherwise we require both ranges to end within EOF.
+ */
+ if (fxr->file1_offset + fxr->length > size1 ||
+ fxr->file2_offset + fxr->length > size2)
+ return -EINVAL;
}
/*
@@ -402,15 +389,6 @@ xfs_exchange_range_checks(
return -EINVAL;
/*
- * We require both ranges to end within EOF, unless we're exchanging
- * to EOF.
- */
- if (!(fxr->flags & XFS_EXCHANGE_RANGE_TO_EOF) &&
- (fxr->file1_offset + fxr->length > size1 ||
- fxr->file2_offset + fxr->length > size2))
- return -EINVAL;
-
- /*
* Make sure we don't hit any file size limits. If we hit any size
* limits such that test_length was adjusted, we abort the whole
* operation.
@@ -747,6 +725,7 @@ xfs_exchange_range(
{
struct inode *inode1 = file_inode(fxr->file1);
struct inode *inode2 = file_inode(fxr->file2);
+ loff_t check_len = fxr->length;
int ret;
BUILD_BUG_ON(XFS_EXCHANGE_RANGE_ALL_FLAGS &
@@ -779,14 +758,18 @@ xfs_exchange_range(
return -EBADF;
/*
- * If we're not exchanging to EOF, we can check the areas before
- * stabilizing both files' i_size.
+ * If we're exchanging to EOF we can't calculate the length until taking
+ * the iolock. Pass a 0 length to remap_verify_area similar to the
+ * FICLONE and FICLONERANGE ioctls that support cloning to EOF as well.
*/
- if (!(fxr->flags & XFS_EXCHANGE_RANGE_TO_EOF)) {
- ret = xfs_exchange_range_verify_area(fxr);
- if (ret)
- return ret;
- }
+ if (fxr->flags & XFS_EXCHANGE_RANGE_TO_EOF)
+ check_len = 0;
+ ret = remap_verify_area(fxr->file1, fxr->file1_offset, check_len, true);
+ if (ret)
+ return ret;
+ ret = remap_verify_area(fxr->file2, fxr->file2_offset, check_len, true);
+ if (ret)
+ return ret;
/* Update cmtime if the fd/inode don't forbid it. */
if (!(fxr->file1->f_mode & FMODE_NOCMTIME) && !IS_NOCMTIME(inode1))
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index f7a7d89c345e..85b857805d6d 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1451,9 +1451,6 @@ xfs_dax_read_fault(
trace_xfs_read_fault(ip, order);
- ret = filemap_fsnotify_fault(vmf);
- if (unlikely(ret))
- return ret;
xfs_ilock(ip, XFS_MMAPLOCK_SHARED);
ret = xfs_dax_fault_locked(vmf, order, false);
xfs_iunlock(ip, XFS_MMAPLOCK_SHARED);
@@ -1482,16 +1479,6 @@ xfs_write_fault(
vm_fault_t ret;
trace_xfs_write_fault(ip, order);
- /*
- * Usually we get here from ->page_mkwrite callback but in case of DAX
- * we will get here also for ordinary write fault. Handle HSM
- * notifications for that case.
- */
- if (IS_DAX(inode)) {
- ret = filemap_fsnotify_fault(vmf);
- if (unlikely(ret))
- return ret;
- }
sb_start_pagefault(inode->i_sb);
file_update_time(vmf->vma->vm_file);
@@ -1511,7 +1498,8 @@ xfs_write_fault(
if (IS_DAX(inode))
ret = xfs_dax_fault_locked(vmf, order, true);
else
- ret = iomap_page_mkwrite(vmf, &xfs_buffered_write_iomap_ops);
+ ret = iomap_page_mkwrite(vmf, &xfs_buffered_write_iomap_ops,
+ NULL);
xfs_iunlock(ip, lock_mode);
sb_end_pagefault(inode->i_sb);
@@ -1626,7 +1614,8 @@ const struct file_operations xfs_file_operations = {
.fadvise = xfs_file_fadvise,
.remap_file_range = xfs_file_remap_range,
.fop_flags = FOP_MMAP_SYNC | FOP_BUFFER_RASYNC |
- FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE,
+ FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE |
+ FOP_DONTCACHE,
};
const struct file_operations xfs_dir_file_operations = {
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index c95fe1b1de4e..b1f9f156ec88 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1404,8 +1404,11 @@ xfs_inactive(
goto out;
/* Try to clean out the cow blocks if there are any. */
- if (xfs_inode_has_cow_data(ip))
- xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF, true);
+ if (xfs_inode_has_cow_data(ip)) {
+ error = xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF, true);
+ if (error)
+ goto out;
+ }
if (VFS_I(ip)->i_nlink != 0) {
/*
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 50fa3ef89f6c..f631177ac320 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -828,6 +828,10 @@ xfs_direct_write_iomap_begin(
if (offset + length > i_size_read(inode))
iomap_flags |= IOMAP_F_DIRTY;
+ /* HW-offload atomics are always used in this path */
+ if (flags & IOMAP_ATOMIC)
+ iomap_flags |= IOMAP_F_ATOMIC_BIO;
+
/*
* COW writes may allocate delalloc space or convert unwritten COW
* extents, so we need to make sure to take the lock exclusively here.
@@ -976,10 +980,8 @@ xfs_dax_write_iomap_end(
if (!xfs_is_cow_inode(ip))
return 0;
- if (!written) {
- xfs_reflink_cancel_cow_range(ip, pos, length, true);
- return 0;
- }
+ if (!written)
+ return xfs_reflink_cancel_cow_range(ip, pos, length, true);
return xfs_reflink_end_cow(ip, pos, written);
}
@@ -1497,7 +1499,7 @@ xfs_zero_range(
return dax_zero_range(inode, pos, len, did_zero,
&xfs_dax_write_iomap_ops);
return iomap_zero_range(inode, pos, len, did_zero,
- &xfs_buffered_write_iomap_ops);
+ &xfs_buffered_write_iomap_ops, NULL);
}
int
@@ -1512,5 +1514,5 @@ xfs_truncate_page(
return dax_truncate_page(inode, pos, did_zero,
&xfs_dax_write_iomap_ops);
return iomap_truncate_page(inode, pos, did_zero,
- &xfs_buffered_write_iomap_ops);
+ &xfs_buffered_write_iomap_ops, NULL);
}
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 40289fe6f5b2..a4480098d2bf 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -298,14 +298,14 @@ xfs_vn_create(
return xfs_generic_create(idmap, dir, dentry, mode, 0, NULL);
}
-STATIC int
+STATIC struct dentry *
xfs_vn_mkdir(
struct mnt_idmap *idmap,
struct inode *dir,
struct dentry *dentry,
umode_t mode)
{
- return xfs_generic_create(idmap, dir, dentry, mode | S_IFDIR, 0, NULL);
+ return ERR_PTR(xfs_generic_create(idmap, dir, dentry, mode | S_IFDIR, 0, NULL));
}
STATIC struct dentry *
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index b3c27dbccce8..2f76531842f8 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3380,7 +3380,7 @@ xlog_do_recover(
*/
xfs_buf_lock(bp);
xfs_buf_hold(bp);
- error = _xfs_buf_read(bp, XBF_READ);
+ error = _xfs_buf_read(bp);
if (error) {
if (!xlog_is_shutdown(log)) {
xfs_buf_ioerror_alert(bp, __this_address);
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 477c5262cf91..b69356582b86 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -181,14 +181,11 @@ xfs_readsb(
/*
* Allocate a (locked) buffer to hold the superblock. This will be kept
- * around at all times to optimize access to the superblock. Therefore,
- * set XBF_NO_IOACCT to make sure it doesn't hold the buftarg count
- * elevated.
+ * around at all times to optimize access to the superblock.
*/
reread:
error = xfs_buf_read_uncached(mp->m_ddev_targp, XFS_SB_DADDR,
- BTOBB(sector_size), XBF_NO_IOACCT, &bp,
- buf_ops);
+ BTOBB(sector_size), 0, &bp, buf_ops);
if (error) {
if (loud)
xfs_warn(mp, "SB validate failed with error %d.", error);
diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c
index 37f1230e7584..245d754f382a 100644
--- a/fs/xfs/xfs_qm_bhv.c
+++ b/fs/xfs/xfs_qm_bhv.c
@@ -78,6 +78,28 @@ xfs_qm_statvfs(
}
}
+STATIC int
+xfs_qm_validate_state_change(
+ struct xfs_mount *mp,
+ uint uqd,
+ uint gqd,
+ uint pqd)
+{
+ int state;
+
+ /* Is quota state changing? */
+ state = ((uqd && !XFS_IS_UQUOTA_ON(mp)) ||
+ (!uqd && XFS_IS_UQUOTA_ON(mp)) ||
+ (gqd && !XFS_IS_GQUOTA_ON(mp)) ||
+ (!gqd && XFS_IS_GQUOTA_ON(mp)) ||
+ (pqd && !XFS_IS_PQUOTA_ON(mp)) ||
+ (!pqd && XFS_IS_PQUOTA_ON(mp)));
+
+ return state &&
+ (xfs_dev_is_read_only(mp, "changing quota state") ||
+ xfs_has_norecovery(mp));
+}
+
int
xfs_qm_newmount(
xfs_mount_t *mp,
@@ -97,24 +119,25 @@ xfs_qm_newmount(
}
/*
- * If the device itself is read-only, we can't allow
- * the user to change the state of quota on the mount -
- * this would generate a transaction on the ro device,
- * which would lead to an I/O error and shutdown
+ * If the device itself is read-only and/or in norecovery
+ * mode, we can't allow the user to change the state of
+ * quota on the mount - this would generate a transaction
+ * on the ro device, which would lead to an I/O error and
+ * shutdown.
*/
- if (((uquotaondisk && !XFS_IS_UQUOTA_ON(mp)) ||
- (!uquotaondisk && XFS_IS_UQUOTA_ON(mp)) ||
- (gquotaondisk && !XFS_IS_GQUOTA_ON(mp)) ||
- (!gquotaondisk && XFS_IS_GQUOTA_ON(mp)) ||
- (pquotaondisk && !XFS_IS_PQUOTA_ON(mp)) ||
- (!pquotaondisk && XFS_IS_PQUOTA_ON(mp))) &&
- xfs_dev_is_read_only(mp, "changing quota state")) {
- xfs_warn(mp, "please mount with%s%s%s%s.",
- (!quotaondisk ? "out quota" : ""),
- (uquotaondisk ? " usrquota" : ""),
- (gquotaondisk ? " grpquota" : ""),
- (pquotaondisk ? " prjquota" : ""));
+ if (xfs_qm_validate_state_change(mp, uquotaondisk,
+ gquotaondisk, pquotaondisk)) {
+
+ if (xfs_has_metadir(mp))
+ xfs_warn(mp,
+ "metadir enabled, please mount without any quota mount options");
+ else
+ xfs_warn(mp, "please mount with%s%s%s%s.",
+ (!quotaondisk ? "out quota" : ""),
+ (uquotaondisk ? " usrquota" : ""),
+ (gquotaondisk ? " grpquota" : ""),
+ (pquotaondisk ? " prjquota" : ""));
return -EPERM;
}
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index d8e6d073d64d..57bef567e011 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -1407,7 +1407,7 @@ xfs_rtmount_readsb(
/* m_blkbb_log is not set up yet */
error = xfs_buf_read_uncached(mp->m_rtdev_targp, XFS_RTSB_DADDR,
- mp->m_sb.sb_blocksize >> BBSHIFT, XBF_NO_IOACCT, &bp,
+ mp->m_sb.sb_blocksize >> BBSHIFT, 0, &bp,
&xfs_rtsb_buf_ops);
if (error) {
xfs_warn(mp, "rt sb validate failed with error %d.", error);
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index d92d7a07ea89..62d04f4843cf 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1661,8 +1661,12 @@ xfs_fs_fill_super(
#endif
}
- /* Filesystem claims it needs repair, so refuse the mount. */
- if (xfs_has_needsrepair(mp)) {
+ /*
+ * Filesystem claims it needs repair, so refuse the mount unless
+ * norecovery is also specified, in which case the filesystem can
+ * be mounted with no risk of further damage.
+ */
+ if (xfs_has_needsrepair(mp) && !xfs_has_norecovery(mp)) {
xfs_warn(mp, "Filesystem needs repair. Please run xfs_repair.");
error = -EFSCORRUPTED;
goto out_free_sb;
@@ -2118,7 +2122,8 @@ static struct file_system_type xfs_fs_type = {
.init_fs_context = xfs_init_fs_context,
.parameters = xfs_fs_parameters,
.kill_sb = xfs_kill_sb,
- .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME,
+ .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME |
+ FS_LBS,
};
MODULE_ALIAS_FS("xfs");
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index b29462363b81..bfc2f1249022 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -593,6 +593,7 @@ DEFINE_EVENT(xfs_buf_flags_class, name, \
DEFINE_BUF_FLAGS_EVENT(xfs_buf_find);
DEFINE_BUF_FLAGS_EVENT(xfs_buf_get);
DEFINE_BUF_FLAGS_EVENT(xfs_buf_read);
+DEFINE_BUF_FLAGS_EVENT(xfs_buf_readahead);
TRACE_EVENT(xfs_buf_ioerror,
TP_PROTO(struct xfs_buf *bp, int error, xfs_failaddr_t caller_ip),
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-02 22:35:25 +0000