diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index d991eec05436835d4ae2423c4bdf0053044dec88..73a4b895de6704252fc4efbb00b68c3440d3cd4b 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -530,7 +530,8 @@ xfs_validate_sb_common(
}
if (!xfs_validate_stripe_geometry(mp, XFS_FSB_TO_B(mp, sbp->sb_unit),
- XFS_FSB_TO_B(mp, sbp->sb_width), 0, false))
+ XFS_FSB_TO_B(mp, sbp->sb_width), 0,
+ xfs_buf_daddr(bp) == XFS_SB_DADDR, false))
return -EFSCORRUPTED;
/*
@@ -1323,8 +1324,10 @@ xfs_sb_get_secondary(
}
/*
- * sunit, swidth, sectorsize(optional with 0) should be all in bytes,
- * so users won't be confused by values in error messages.
+ * sunit, swidth, sectorsize(optional with 0) should be all in bytes, so users
+ * won't be confused by values in error messages. This function returns false
+ * if the stripe geometry is invalid and the caller is unable to repair the
+ * stripe configuration later in the mount process.
*/
bool
xfs_validate_stripe_geometry(
@@ -1332,20 +1335,21 @@ xfs_validate_stripe_geometry(
__s64 sunit,
__s64 swidth,
int sectorsize,
+ bool may_repair,
bool silent)
{
if (swidth > INT_MAX) {
if (!silent)
xfs_notice(mp,
"stripe width (%lld) is too large", swidth);
- return false;
+ goto check_override;
}
if (sunit > swidth) {
if (!silent)
xfs_notice(mp,
"stripe unit (%lld) is larger than the stripe width (%lld)", sunit, swidth);
- return false;
+ goto check_override;
}
if (sectorsize && (int)sunit % sectorsize) {
@@ -1353,21 +1357,21 @@ xfs_validate_stripe_geometry(
xfs_notice(mp,
"stripe unit (%lld) must be a multiple of the sector size (%d)",
sunit, sectorsize);
- return false;
+ goto check_override;
}
if (sunit && !swidth) {
if (!silent)
xfs_notice(mp,
"invalid stripe unit (%lld) and stripe width of 0", sunit);
- return false;
+ goto check_override;
}
if (!sunit && swidth) {
if (!silent)
xfs_notice(mp,
"invalid stripe width (%lld) and stripe unit of 0", swidth);
- return false;
+ goto check_override;
}
if (sunit && (int)swidth % (int)sunit) {
@@ -1375,9 +1379,27 @@ xfs_validate_stripe_geometry(
xfs_notice(mp,
"stripe width (%lld) must be a multiple of the stripe unit (%lld)",
swidth, sunit);
- return false;
+ goto check_override;
}
return true;
+
+check_override:
+ if (!may_repair)
+ return false;
+ /*
+ * During mount, mp->m_dalign will not be set unless the sunit mount
+ * option was set. If it was set, ignore the bad stripe alignment values
+ * and allow the validation and overwrite later in the mount process to
+ * attempt to overwrite the bad stripe alignment values with the values
+ * supplied by mount options.
+ */
+ if (!mp->m_dalign)
+ return false;
+ if (!silent)
+ xfs_notice(mp,
+"Will try to correct with specified mount options sunit (%d) and swidth (%d)",
+ BBTOB(mp->m_dalign), BBTOB(mp->m_swidth));
+ return true;
}
/*
diff --git a/fs/xfs/libxfs/xfs_sb.h b/fs/xfs/libxfs/xfs_sb.h
index 2e8e8d63d4eb2249d148b8f6d50f2a71726911f5..37b1ed1bc2095e42561764196a932cb11fb4d7f7 100644
--- a/fs/xfs/libxfs/xfs_sb.h
+++ b/fs/xfs/libxfs/xfs_sb.h
@@ -35,8 +35,9 @@ extern int xfs_sb_get_secondary(struct xfs_mount *mp,
struct xfs_trans *tp, xfs_agnumber_t agno,
struct xfs_buf **bpp);
-extern bool xfs_validate_stripe_geometry(struct xfs_mount *mp,
- __s64 sunit, __s64 swidth, int sectorsize, bool silent);
+bool xfs_validate_stripe_geometry(struct xfs_mount *mp,
+ __s64 sunit, __s64 swidth, int sectorsize, bool may_repair,
+ bool silent);
uint8_t xfs_compute_rextslog(xfs_rtbxlen_t rtextents);
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index abff79a77c72b632649f40efdba51e3fcd3498de..47a20cf5205f00f9f99cb77c78fe36bcd6db6407 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -1044,9 +1044,7 @@ xchk_irele(
struct xfs_scrub *sc,
struct xfs_inode *ip)
{
- if (current->journal_info != NULL) {
- ASSERT(current->journal_info == sc->tp);
-
+ if (sc->tp) {
/*
* If we are in a transaction, we /cannot/ drop the inode
* ourselves, because the VFS will trigger writeback, which
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 1698507d1ac73a0a4985322e00c52e61539d5317..3f428620ebf2a395d8efdcb3094f8c940cdc3310 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -503,13 +503,6 @@ xfs_vm_writepages(
{
struct xfs_writepage_ctx wpc = { };
- /*
- * Writing back data in a transaction context can result in recursive
- * transactions. This is bad, so issue a warning and get out of here.
- */
- if (WARN_ON_ONCE(current->journal_info))
- return 0;
-
xfs_iflags_clear(XFS_I(mapping->host), XFS_ITRUNCATED);
return iomap_writepages(mapping, wbc, &wpc.ctx, &xfs_writeback_ops);
}
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index e64265bc0b3371244c25b84424b0a486fc6b0202..74f1812b03cbd2e94da4992296da5280e8d22701 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -2039,8 +2039,10 @@ xfs_inodegc_want_queue_work(
* - Memory shrinkers queued the inactivation worker and it hasn't finished.
* - The queue depth exceeds the maximum allowable percpu backlog.
*
- * Note: If the current thread is running a transaction, we don't ever want to
- * wait for other transactions because that could introduce a deadlock.
+ * Note: If we are in a NOFS context here (e.g. current thread is running a
+ * transaction) the we don't want to block here as inodegc progress may require
+ * filesystem resources we hold to make progress and that could result in a
+ * deadlock. Hence we skip out of here if we are in a scoped NOFS context.
*/
static inline bool
xfs_inodegc_want_flush_work(
@@ -2048,7 +2050,7 @@ xfs_inodegc_want_flush_work(
unsigned int items,
unsigned int shrinker_hits)
{
- if (current->journal_info)
+ if (current->flags & PF_MEMALLOC_NOFS)
return false;
if (shrinker_hits > 0)
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 3f7e3a09a49ff402c8ac7996921f2bd46af01d59..1636663707dc04dd1eb9ab4f5dc3ce37ddfba974 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -268,19 +268,14 @@ static inline void
xfs_trans_set_context(
struct xfs_trans *tp)
{
- ASSERT(current->journal_info == NULL);
tp->t_pflags = memalloc_nofs_save();
- current->journal_info = tp;
}
static inline void
xfs_trans_clear_context(
struct xfs_trans *tp)
{
- if (current->journal_info == tp) {
- memalloc_nofs_restore(tp->t_pflags);
- current->journal_info = NULL;
- }
+ memalloc_nofs_restore(tp->t_pflags);
}
static inline void
@@ -288,10 +283,8 @@ xfs_trans_switch_context(
struct xfs_trans *old_tp,
struct xfs_trans *new_tp)
{
- ASSERT(current->journal_info == old_tp);
new_tp->t_pflags = old_tp->t_pflags;
old_tp->t_pflags = 0;
- current->journal_info = new_tp;
}
#endif /* __XFS_TRANS_H__ */