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-rw-r--r--fs/xfs/xfs_bmap_util.c17
-rw-r--r--fs/xfs/xfs_file.c2
-rw-r--r--fs/xfs/xfs_icache.c9
-rw-r--r--fs/xfs/xfs_icache.h2
-rw-r--r--fs/xfs/xfs_inode.c17
-rw-r--r--fs/xfs/xfs_ioctl.c2
-rw-r--r--fs/xfs/xfs_iomap.c21
-rw-r--r--fs/xfs/xfs_reflink.c45
-rw-r--r--fs/xfs/xfs_trace.c1
-rw-r--r--fs/xfs/xfs_trace.h40
10 files changed, 147 insertions, 9 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 64bdee48fad4..f1f0b55fcd89 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -898,6 +898,7 @@ xfs_alloc_file_space(
*/
while (allocatesize_fsb && !error) {
xfs_fileoff_t s, e;
+ bool cleared_space = false;
/*
* Determine space reservations for data/realtime.
@@ -940,6 +941,7 @@ xfs_alloc_file_space(
/*
* Allocate and setup the transaction.
*/
+retry:
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks,
resrtextents, 0, &tp);
@@ -956,6 +958,20 @@ xfs_alloc_file_space(
xfs_ilock(ip, XFS_ILOCK_EXCL);
error = xfs_trans_reserve_quota_nblks(tp, ip, qblocks,
0, quota_flag);
+ /*
+ * We weren't able to reserve enough quota to handle fallocate.
+ * Flush any disk space that was being held in the hopes of
+ * speeding up the filesystem. We hold the IOLOCK so we cannot
+ * do a synchronous scan.
+ */
+ if ((error == -ENOSPC || error == -EDQUOT) && !cleared_space) {
+ xfs_trans_cancel(tp);
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ cleared_space = xfs_inode_free_quota_blocks(ip, false);
+ if (cleared_space)
+ goto retry;
+ goto error2;
+ }
if (error)
goto error1;
@@ -994,6 +1010,7 @@ error0: /* unlock inode, unreserve quota blocks, cancel trans */
error1: /* Just cancel transaction */
xfs_trans_cancel(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
+error2:
return error;
}
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index f37e29b2055b..fd9dee4b58a3 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -649,7 +649,7 @@ write_retry:
*/
if (ret == -EDQUOT && !cleared_space) {
xfs_iunlock(ip, iolock);
- cleared_space = xfs_inode_free_quota_blocks(ip);
+ cleared_space = xfs_inode_free_quota_blocks(ip, true);
if (cleared_space)
goto write_retry;
iolock = 0;
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index e18142922f55..6e4c3763d008 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1532,7 +1532,8 @@ xfs_icache_free_eofblocks(
*/
bool
xfs_inode_free_quota_blocks(
- struct xfs_inode *ip)
+ struct xfs_inode *ip,
+ bool sync)
{
struct xfs_eofblocks eofb = {0};
struct xfs_dquot *dq;
@@ -1542,7 +1543,9 @@ xfs_inode_free_quota_blocks(
* Run a sync scan to increase effectiveness and use the union filter to
* cover all applicable quotas in a single scan.
*/
- eofb.eof_flags = XFS_EOF_FLAGS_UNION | XFS_EOF_FLAGS_SYNC;
+ eofb.eof_flags = XFS_EOF_FLAGS_UNION;
+ if (sync)
+ eofb.eof_flags |= XFS_EOF_FLAGS_SYNC;
if (XFS_IS_UQUOTA_ENFORCED(ip->i_mount)) {
dq = xfs_inode_dquot(ip, XFS_DQ_USER);
@@ -1574,6 +1577,8 @@ xfs_inode_free_quota_blocks(
if (!do_work)
return false;
+ trace_xfs_inode_free_quota_blocks(ip->i_mount, &eofb, _RET_IP_);
+
xfs_icache_free_eofblocks(ip->i_mount, &eofb);
xfs_icache_free_cowblocks(ip->i_mount, &eofb);
return true;
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index aaf44e841bec..a42a682cec0b 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -57,7 +57,7 @@ long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
-bool xfs_inode_free_quota_blocks(struct xfs_inode *ip);
+bool xfs_inode_free_quota_blocks(struct xfs_inode *ip, bool sync);
void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 4a7b0ea22fa3..dff7b1cd8424 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1135,6 +1135,7 @@ xfs_create(
struct xfs_dquot *gdqp = NULL;
struct xfs_dquot *pdqp = NULL;
struct xfs_trans_res *tres;
+ bool cleared_space = false;
uint resblks;
trace_xfs_create(dp, name);
@@ -1168,6 +1169,7 @@ xfs_create(
* the case we'll drop the one we have and get a more
* appropriate transaction later.
*/
+retry:
error = xfs_trans_alloc(mp, tres, resblks, 0, 0, &tp);
if (error == -ENOSPC) {
/* flush outstanding delalloc blocks and retry */
@@ -1185,6 +1187,21 @@ xfs_create(
*/
error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
pdqp, resblks, 1, 0);
+ /*
+ * We weren't able to reserve enough quota to handle adding the inode.
+ * Flush any disk space that was being held in the hopes of speeding up
+ * the filesystem.
+ */
+ if ((error == -EDQUOT || error == -ENOSPC) && !cleared_space) {
+ xfs_trans_cancel(tp);
+ if (unlock_dp_on_error)
+ xfs_iunlock(dp, XFS_ILOCK_EXCL);
+ unlock_dp_on_error = false;
+ cleared_space = xfs_inode_free_quota_blocks(dp, true);
+ if (cleared_space)
+ goto retry;
+ goto out_release_inode;
+ }
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index e041ed404acc..0a4c4c73d3a6 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -2431,6 +2431,8 @@ xfs_file_ioctl(
if (error)
return error;
+ trace_xfs_ioc_free_eofblocks(mp, &keofb, _RET_IP_);
+
return xfs_icache_free_eofblocks(mp, &keofb);
}
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 3a4310d7cb59..58b3ec6b00e3 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -27,7 +27,7 @@
#include "xfs_dquot_item.h"
#include "xfs_dquot.h"
#include "xfs_reflink.h"
-
+#include "xfs_icache.h"
#define XFS_WRITEIO_ALIGN(mp,off) (((off) >> mp->m_writeio_log) \
<< mp->m_writeio_log)
@@ -185,6 +185,7 @@ xfs_iomap_write_direct(
int error;
int lockmode;
int bmapi_flags = XFS_BMAPI_PREALLOC;
+ bool cleared_space = false;
uint tflags = 0;
rt = XFS_IS_REALTIME_INODE(ip);
@@ -258,6 +259,7 @@ xfs_iomap_write_direct(
resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
}
}
+retry:
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, resrtextents,
tflags, &tp);
if (error)
@@ -267,6 +269,23 @@ xfs_iomap_write_direct(
xfs_ilock(ip, lockmode);
error = xfs_trans_reserve_quota_nblks(tp, ip, qblocks, 0, quota_flag);
+ /*
+ * We weren't able to reserve enough quota for the direct write.
+ * Flush any disk space that was being held in the hopes of speeding up
+ * the filesystem. Historically, we expected callers to have
+ * preallocated all the space before a direct write, but this is not an
+ * absolute requirement. We still hold the IOLOCK so we cannot do a
+ * sync scan.
+ */
+ if ((error == -ENOSPC || error == -EDQUOT) && !cleared_space) {
+ xfs_trans_cancel(tp);
+ xfs_iunlock(ip, lockmode);
+ lockmode = 0;
+ cleared_space = xfs_inode_free_quota_blocks(ip, false);
+ if (cleared_space)
+ goto retry;
+ goto out_unlock;
+ }
if (error)
goto out_trans_cancel;
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index c4ec7afd1170..17b6a67240a4 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -353,13 +353,14 @@ xfs_reflink_allocate_cow(
bool convert_now)
{
struct xfs_mount *mp = ip->i_mount;
+ struct xfs_trans *tp;
xfs_fileoff_t offset_fsb = imap->br_startoff;
xfs_filblks_t count_fsb = imap->br_blockcount;
- struct xfs_trans *tp;
- int nimaps, error = 0;
- bool found;
xfs_filblks_t resaligned;
xfs_extlen_t resblks = 0;
+ bool found;
+ bool cleared_space = false;
+ int nimaps, error = 0;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
if (!ip->i_cowfp) {
@@ -378,6 +379,7 @@ xfs_reflink_allocate_cow(
resblks = XFS_DIOSTRAT_SPACE_RES(mp, resaligned);
xfs_iunlock(ip, *lockmode);
+retry:
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);
*lockmode = XFS_ILOCK_EXCL;
xfs_ilock(ip, *lockmode);
@@ -402,6 +404,23 @@ xfs_reflink_allocate_cow(
error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,
XFS_QMOPT_RES_REGBLKS);
+ /*
+ * We weren't able to reserve enough quota to handle copy on write.
+ * Flush any disk space that was being held in the hopes of speeding up
+ * the filesystem. We potentially hold the IOLOCK so we cannot do a
+ * synchronous scan.
+ */
+ if ((error == -ENOSPC || error == -EDQUOT) && !cleared_space) {
+ xfs_trans_cancel(tp);
+ xfs_iunlock(ip, *lockmode);
+ *lockmode = 0;
+ cleared_space = xfs_inode_free_quota_blocks(ip, false);
+ if (cleared_space)
+ goto retry;
+ *lockmode = XFS_ILOCK_EXCL;
+ xfs_ilock(ip, *lockmode);
+ goto out;
+ }
if (error)
goto out_trans_cancel;
@@ -443,6 +462,7 @@ out_unreserve:
XFS_QMOPT_RES_REGBLKS);
out_trans_cancel:
xfs_trans_cancel(tp);
+out:
return error;
}
@@ -1012,6 +1032,7 @@ xfs_reflink_remap_extent(
xfs_filblks_t rlen;
xfs_filblks_t unmap_len;
xfs_off_t newlen;
+ bool cleared_space = false;
int error;
unmap_len = irec->br_startoff + irec->br_blockcount - destoff;
@@ -1027,21 +1048,37 @@ xfs_reflink_remap_extent(
/* Start a rolling transaction to switch the mappings */
resblks = XFS_EXTENTADD_SPACE_RES(ip->i_mount, XFS_DATA_FORK);
+retry:
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);
if (error)
goto out;
xfs_ilock(ip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, ip, 0);
/* If we're not just clearing space, then do we have enough quota? */
if (real_extent) {
error = xfs_trans_reserve_quota_nblks(tp, ip,
irec->br_blockcount, 0, XFS_QMOPT_RES_REGBLKS);
+ /*
+ * We weren't able to reserve enough quota for the remapping.
+ * Flush any disk space that was being held in the hopes of
+ * speeding up the filesystem. We still hold the IOLOCK so we
+ * cannot do a sync scan.
+ */
+ if ((error == -ENOSPC || error == -EDQUOT) && !cleared_space) {
+ xfs_trans_cancel(tp);
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ cleared_space = xfs_inode_free_quota_blocks(ip, false);
+ if (cleared_space)
+ goto retry;
+ goto out;
+ }
if (error)
goto out_cancel;
}
+ xfs_trans_ijoin(tp, ip, 0);
+
trace_xfs_reflink_remap(ip, irec->br_startoff,
irec->br_blockcount, irec->br_startblock);
diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c
index bc85b89f88ca..a39867a2686b 100644
--- a/fs/xfs/xfs_trace.c
+++ b/fs/xfs/xfs_trace.c
@@ -27,6 +27,7 @@
#include "xfs_log_recover.h"
#include "xfs_filestream.h"
#include "xfs_fsmap.h"
+#include "xfs_icache.h"
/*
* We include this last to have the helpers above available for the trace
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 8533ef64fc05..832c21a68418 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -30,6 +30,7 @@ struct xfs_btree_cur;
struct xfs_refcount_irec;
struct xfs_fsmap;
struct xfs_rmap_irec;
+struct xfs_eofblocks;
DECLARE_EVENT_CLASS(xfs_attr_list_class,
TP_PROTO(struct xfs_attr_list_context *ctx),
@@ -3603,6 +3604,45 @@ TRACE_EVENT(xfs_btree_commit_afakeroot,
__entry->agbno)
)
+DECLARE_EVENT_CLASS(xfs_eofblocks_class,
+ TP_PROTO(struct xfs_mount *mp, struct xfs_eofblocks *eofb,
+ unsigned long caller_ip),
+ TP_ARGS(mp, eofb, caller_ip),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(__u32, flags)
+ __field(uint32_t, uid)
+ __field(uint32_t, gid)
+ __field(prid_t, prid)
+ __field(__u64, min_file_size)
+ __field(unsigned long, caller_ip)
+ ),
+ TP_fast_assign(
+ __entry->dev = mp->m_super->s_dev;
+ __entry->flags = eofb->eof_flags;
+ __entry->uid = xfs_kuid_to_uid(eofb->eof_uid);
+ __entry->gid = xfs_kgid_to_gid(eofb->eof_gid);
+ __entry->prid = eofb->eof_prid;
+ __entry->min_file_size = eofb->eof_min_file_size;
+ __entry->caller_ip = caller_ip;
+ ),
+ TP_printk("dev %d:%d flags 0x%x uid %u gid %u prid %u minsize %llu caller %pS",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->flags,
+ __entry->uid,
+ __entry->gid,
+ __entry->prid,
+ __entry->min_file_size,
+ (char *)__entry->caller_ip)
+);
+#define DEFINE_EOFBLOCKS_EVENT(name) \
+DEFINE_EVENT(xfs_eofblocks_class, name, \
+ TP_PROTO(struct xfs_mount *mp, struct xfs_eofblocks *eofb, \
+ unsigned long caller_ip), \
+ TP_ARGS(mp, eofb, caller_ip))
+DEFINE_EOFBLOCKS_EVENT(xfs_ioc_free_eofblocks);
+DEFINE_EOFBLOCKS_EVENT(xfs_inode_free_quota_blocks);
+
#endif /* _TRACE_XFS_H */
#undef TRACE_INCLUDE_PATH