Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git

This commit is contained in:
Stephen Rothwell 2022-06-28 10:15:14 +10:00
commit 8677d02a45
8 changed files with 111 additions and 74 deletions

View File

@ -455,6 +455,8 @@ static inline void
xfs_attr_free_item(
struct xfs_attr_intent *attr)
{
ASSERT(attr->xattri_leaf_bp == NULL);
if (attr->xattri_da_state)
xfs_da_state_free(attr->xattri_da_state);
xfs_attri_log_nameval_put(attr->xattri_nameval);
@ -509,6 +511,10 @@ xfs_attr_cancel_item(
struct xfs_attr_intent *attr;
attr = container_of(item, struct xfs_attr_intent, xattri_list);
if (attr->xattri_leaf_bp) {
xfs_buf_relse(attr->xattri_leaf_bp);
attr->xattri_leaf_bp = NULL;
}
xfs_attr_free_item(attr);
}
@ -576,7 +582,7 @@ xfs_attri_item_recover(
struct xfs_trans_res tres;
struct xfs_attri_log_format *attrp;
struct xfs_attri_log_nameval *nv = attrip->attri_nameval;
int error, ret = 0;
int error;
int total;
int local;
struct xfs_attrd_log_item *done_item = NULL;
@ -655,13 +661,31 @@ xfs_attri_item_recover(
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, 0);
ret = xfs_xattri_finish_update(attr, done_item);
if (ret == -EAGAIN) {
/* There's more work to do, so add it to this transaction */
error = xfs_xattri_finish_update(attr, done_item);
if (error == -EAGAIN) {
/*
* There's more work to do, so add the intent item to this
* transaction so that we can continue it later.
*/
xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_ATTR, &attr->xattri_list);
} else
error = ret;
error = xfs_defer_ops_capture_and_commit(tp, capture_list);
if (error)
goto out_unlock;
/*
* The defer capture structure took its own reference to the
* attr leaf buffer and will give that to the continuation
* transaction. The attr intent struct drives the continuation
* work, so release our refcount on the attr leaf buffer but
* retain the pointer in the intent structure.
*/
if (attr->xattri_leaf_bp)
xfs_buf_relse(attr->xattri_leaf_bp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_irele(ip);
return 0;
}
if (error) {
xfs_trans_cancel(tp);
goto out_unlock;
@ -670,14 +694,15 @@ xfs_attri_item_recover(
error = xfs_defer_ops_capture_and_commit(tp, capture_list);
out_unlock:
if (attr->xattri_leaf_bp)
if (attr->xattri_leaf_bp) {
xfs_buf_relse(attr->xattri_leaf_bp);
attr->xattri_leaf_bp = NULL;
}
xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_irele(ip);
out:
if (ret != -EAGAIN)
xfs_attr_free_item(attr);
xfs_attr_free_item(attr);
return error;
}

View File

@ -440,7 +440,7 @@ xfs_inodegc_queue_all(
for_each_online_cpu(cpu) {
gc = per_cpu_ptr(mp->m_inodegc, cpu);
if (!llist_empty(&gc->list))
queue_work_on(cpu, mp->m_inodegc_wq, &gc->work);
mod_delayed_work_on(cpu, mp->m_inodegc_wq, &gc->work, 0);
}
}
@ -1841,8 +1841,8 @@ void
xfs_inodegc_worker(
struct work_struct *work)
{
struct xfs_inodegc *gc = container_of(work, struct xfs_inodegc,
work);
struct xfs_inodegc *gc = container_of(to_delayed_work(work),
struct xfs_inodegc, work);
struct llist_node *node = llist_del_all(&gc->list);
struct xfs_inode *ip, *n;
@ -1861,6 +1861,20 @@ xfs_inodegc_worker(
}
}
/*
* Expedite all pending inodegc work to run immediately. This does not wait for
* completion of the work.
*/
void
xfs_inodegc_push(
struct xfs_mount *mp)
{
if (!xfs_is_inodegc_enabled(mp))
return;
trace_xfs_inodegc_push(mp, __return_address);
xfs_inodegc_queue_all(mp);
}
/*
* Force all currently queued inode inactivation work to run immediately and
* wait for the work to finish.
@ -1869,12 +1883,8 @@ void
xfs_inodegc_flush(
struct xfs_mount *mp)
{
if (!xfs_is_inodegc_enabled(mp))
return;
xfs_inodegc_push(mp);
trace_xfs_inodegc_flush(mp, __return_address);
xfs_inodegc_queue_all(mp);
flush_workqueue(mp->m_inodegc_wq);
}
@ -2014,6 +2024,7 @@ xfs_inodegc_queue(
struct xfs_inodegc *gc;
int items;
unsigned int shrinker_hits;
unsigned long queue_delay = 1;
trace_xfs_inode_set_need_inactive(ip);
spin_lock(&ip->i_flags_lock);
@ -2025,19 +2036,26 @@ xfs_inodegc_queue(
items = READ_ONCE(gc->items);
WRITE_ONCE(gc->items, items + 1);
shrinker_hits = READ_ONCE(gc->shrinker_hits);
put_cpu_ptr(gc);
if (!xfs_is_inodegc_enabled(mp))
/*
* We queue the work while holding the current CPU so that the work
* is scheduled to run on this CPU.
*/
if (!xfs_is_inodegc_enabled(mp)) {
put_cpu_ptr(gc);
return;
if (xfs_inodegc_want_queue_work(ip, items)) {
trace_xfs_inodegc_queue(mp, __return_address);
queue_work(mp->m_inodegc_wq, &gc->work);
}
if (xfs_inodegc_want_queue_work(ip, items))
queue_delay = 0;
trace_xfs_inodegc_queue(mp, __return_address);
mod_delayed_work(mp->m_inodegc_wq, &gc->work, queue_delay);
put_cpu_ptr(gc);
if (xfs_inodegc_want_flush_work(ip, items, shrinker_hits)) {
trace_xfs_inodegc_throttle(mp, __return_address);
flush_work(&gc->work);
flush_delayed_work(&gc->work);
}
}
@ -2054,7 +2072,7 @@ xfs_inodegc_cpu_dead(
unsigned int count = 0;
dead_gc = per_cpu_ptr(mp->m_inodegc, dead_cpu);
cancel_work_sync(&dead_gc->work);
cancel_delayed_work_sync(&dead_gc->work);
if (llist_empty(&dead_gc->list))
return;
@ -2073,12 +2091,12 @@ xfs_inodegc_cpu_dead(
llist_add_batch(first, last, &gc->list);
count += READ_ONCE(gc->items);
WRITE_ONCE(gc->items, count);
put_cpu_ptr(gc);
if (xfs_is_inodegc_enabled(mp)) {
trace_xfs_inodegc_queue(mp, __return_address);
queue_work(mp->m_inodegc_wq, &gc->work);
mod_delayed_work(mp->m_inodegc_wq, &gc->work, 0);
}
put_cpu_ptr(gc);
}
/*
@ -2173,7 +2191,7 @@ xfs_inodegc_shrinker_scan(
unsigned int h = READ_ONCE(gc->shrinker_hits);
WRITE_ONCE(gc->shrinker_hits, h + 1);
queue_work_on(cpu, mp->m_inodegc_wq, &gc->work);
mod_delayed_work_on(cpu, mp->m_inodegc_wq, &gc->work, 0);
no_items = false;
}
}

View File

@ -76,6 +76,7 @@ void xfs_blockgc_stop(struct xfs_mount *mp);
void xfs_blockgc_start(struct xfs_mount *mp);
void xfs_inodegc_worker(struct work_struct *work);
void xfs_inodegc_push(struct xfs_mount *mp);
void xfs_inodegc_flush(struct xfs_mount *mp);
void xfs_inodegc_stop(struct xfs_mount *mp);
void xfs_inodegc_start(struct xfs_mount *mp);

View File

@ -131,6 +131,26 @@ xfs_ilock_attr_map_shared(
return lock_mode;
}
/*
* You can't set both SHARED and EXCL for the same lock,
* and only XFS_IOLOCK_SHARED, XFS_IOLOCK_EXCL, XFS_MMAPLOCK_SHARED,
* XFS_MMAPLOCK_EXCL, XFS_ILOCK_SHARED, XFS_ILOCK_EXCL are valid values
* to set in lock_flags.
*/
static inline void
xfs_lock_flags_assert(
uint lock_flags)
{
ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) !=
(XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) !=
(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
ASSERT(lock_flags != 0);
}
/*
* In addition to i_rwsem in the VFS inode, the xfs inode contains 2
* multi-reader locks: invalidate_lock and the i_lock. This routine allows
@ -168,18 +188,7 @@ xfs_ilock(
{
trace_xfs_ilock(ip, lock_flags, _RET_IP_);
/*
* You can't set both SHARED and EXCL for the same lock,
* and only XFS_IOLOCK_SHARED, XFS_IOLOCK_EXCL, XFS_ILOCK_SHARED,
* and XFS_ILOCK_EXCL are valid values to set in lock_flags.
*/
ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) !=
(XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) !=
(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
xfs_lock_flags_assert(lock_flags);
if (lock_flags & XFS_IOLOCK_EXCL) {
down_write_nested(&VFS_I(ip)->i_rwsem,
@ -222,18 +231,7 @@ xfs_ilock_nowait(
{
trace_xfs_ilock_nowait(ip, lock_flags, _RET_IP_);
/*
* You can't set both SHARED and EXCL for the same lock,
* and only XFS_IOLOCK_SHARED, XFS_IOLOCK_EXCL, XFS_ILOCK_SHARED,
* and XFS_ILOCK_EXCL are valid values to set in lock_flags.
*/
ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) !=
(XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) !=
(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
xfs_lock_flags_assert(lock_flags);
if (lock_flags & XFS_IOLOCK_EXCL) {
if (!down_write_trylock(&VFS_I(ip)->i_rwsem))
@ -291,19 +289,7 @@ xfs_iunlock(
xfs_inode_t *ip,
uint lock_flags)
{
/*
* You can't set both SHARED and EXCL for the same lock,
* and only XFS_IOLOCK_SHARED, XFS_IOLOCK_EXCL, XFS_ILOCK_SHARED,
* and XFS_ILOCK_EXCL are valid values to set in lock_flags.
*/
ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) !=
(XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) !=
(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
ASSERT(lock_flags != 0);
xfs_lock_flags_assert(lock_flags);
if (lock_flags & XFS_IOLOCK_EXCL)
up_write(&VFS_I(ip)->i_rwsem);
@ -379,8 +365,8 @@ xfs_isilocked(
}
if (lock_flags & (XFS_MMAPLOCK_EXCL|XFS_MMAPLOCK_SHARED)) {
return __xfs_rwsem_islocked(&VFS_I(ip)->i_rwsem,
(lock_flags & XFS_IOLOCK_SHARED));
return __xfs_rwsem_islocked(&VFS_I(ip)->i_mapping->invalidate_lock,
(lock_flags & XFS_MMAPLOCK_SHARED));
}
if (lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) {

View File

@ -61,7 +61,7 @@ struct xfs_error_cfg {
*/
struct xfs_inodegc {
struct llist_head list;
struct work_struct work;
struct delayed_work work;
/* approximate count of inodes in the list */
unsigned int items;

View File

@ -454,9 +454,12 @@ xfs_qm_scall_getquota(
struct xfs_dquot *dqp;
int error;
/* Flush inodegc work at the start of a quota reporting scan. */
/*
* Expedite pending inodegc work at the start of a quota reporting
* scan but don't block waiting for it to complete.
*/
if (id == 0)
xfs_inodegc_flush(mp);
xfs_inodegc_push(mp);
/*
* Try to get the dquot. We don't want it allocated on disk, so don't
@ -498,7 +501,7 @@ xfs_qm_scall_getquota_next(
/* Flush inodegc work at the start of a quota reporting scan. */
if (*id == 0)
xfs_inodegc_flush(mp);
xfs_inodegc_push(mp);
error = xfs_qm_dqget_next(mp, *id, type, &dqp);
if (error)

View File

@ -797,8 +797,11 @@ xfs_fs_statfs(
xfs_extlen_t lsize;
int64_t ffree;
/* Wait for whatever inactivations are in progress. */
xfs_inodegc_flush(mp);
/*
* Expedite background inodegc but don't wait. We do not want to block
* here waiting hours for a billion extent file to be truncated.
*/
xfs_inodegc_push(mp);
statp->f_type = XFS_SUPER_MAGIC;
statp->f_namelen = MAXNAMELEN - 1;
@ -1074,7 +1077,7 @@ xfs_inodegc_init_percpu(
gc = per_cpu_ptr(mp->m_inodegc, cpu);
init_llist_head(&gc->list);
gc->items = 0;
INIT_WORK(&gc->work, xfs_inodegc_worker);
INIT_DELAYED_WORK(&gc->work, xfs_inodegc_worker);
}
return 0;
}

View File

@ -240,6 +240,7 @@ DEFINE_EVENT(xfs_fs_class, name, \
TP_PROTO(struct xfs_mount *mp, void *caller_ip), \
TP_ARGS(mp, caller_ip))
DEFINE_FS_EVENT(xfs_inodegc_flush);
DEFINE_FS_EVENT(xfs_inodegc_push);
DEFINE_FS_EVENT(xfs_inodegc_start);
DEFINE_FS_EVENT(xfs_inodegc_stop);
DEFINE_FS_EVENT(xfs_inodegc_queue);