All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org
Cc: linux-xfs@vger.kernel.org
Subject: [PATCH 2/5] xfs: whine to dmesg when we encounter errors
Date: Sun, 31 Dec 2023 14:01:15 -0800	[thread overview]
Message-ID: <170404854753.1769671.12991524814359250998.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <170404854709.1769671.12231107418026207335.stgit@frogsfrogsfrogs>

From: Darrick J. Wong <djwong@kernel.org>

Forward everything scrub whines about to dmesg.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/xfs/Kconfig         |   13 ++++++
 fs/xfs/scrub/btree.c   |   88 +++++++++++++++++++++++++++++++++++++++
 fs/xfs/scrub/common.c  |  107 ++++++++++++++++++++++++++++++++++++++++++++++++
 fs/xfs/scrub/common.h  |    1 
 fs/xfs/scrub/dabtree.c |   24 +++++++++++
 fs/xfs/scrub/inode.c   |    4 ++
 fs/xfs/scrub/scrub.c   |   40 ++++++++++++++++++
 fs/xfs/scrub/trace.c   |   22 ++++++++++
 fs/xfs/scrub/trace.h   |    2 +
 fs/xfs/xfs_globals.c   |    5 ++
 fs/xfs/xfs_sysctl.h    |    1 
 fs/xfs/xfs_sysfs.c     |   32 ++++++++++++++
 12 files changed, 339 insertions(+)


diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig
index 0ed89b2381936..be17dbeb0eb43 100644
--- a/fs/xfs/Kconfig
+++ b/fs/xfs/Kconfig
@@ -172,6 +172,19 @@ config XFS_ONLINE_SCRUB_STATS
 
 	  If unsure, say N.
 
+config XFS_ONLINE_SCRUB_WHINE
+	bool "XFS online metadata verbose logging by default"
+	default y
+	depends on XFS_ONLINE_SCRUB
+	help
+	  If you say Y here, the kernel will by default log the outcomes of all
+	  scrub and repair operations, as well as any corruptions found.  This
+	  may slow down scrub due to printk logging overhead timers.
+
+	  This value can be changed by editing /sys/fs/xfs/debug/scrub_whine
+
+	  If unsure, say N.
+
 choice
 	prompt "XFS hook implementation"
 	depends on XFS_FS && XFS_LIVE_HOOKS && XFS_ONLINE_SCRUB
diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c
index 1935b9ce1885c..e1b22ac074d34 100644
--- a/fs/xfs/scrub/btree.c
+++ b/fs/xfs/scrub/btree.c
@@ -11,6 +11,8 @@
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
+#include "xfs_log_format.h"
+#include "xfs_ag.h"
 #include "scrub/scrub.h"
 #include "scrub/common.h"
 #include "scrub/btree.h"
@@ -18,6 +20,62 @@
 
 /* btree scrubbing */
 
+/* Figure out which block the btree cursor was pointing to. */
+static inline xfs_fsblock_t
+xchk_btree_cur_fsbno(
+	struct xfs_btree_cur		*cur,
+	int				level)
+{
+	if (level < cur->bc_nlevels && cur->bc_levels[level].bp)
+		return XFS_DADDR_TO_FSB(cur->bc_mp,
+				xfs_buf_daddr(cur->bc_levels[level].bp));
+	else if (level == cur->bc_nlevels - 1 &&
+		 (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE))
+		return XFS_INO_TO_FSB(cur->bc_mp, cur->bc_ino.ip->i_ino);
+	else if (!(cur->bc_flags & XFS_BTREE_LONG_PTRS))
+		return XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_ag.pag->pag_agno, 0);
+	return NULLFSBLOCK;
+}
+
+static inline void
+process_error_whine(
+	struct xfs_scrub	*sc,
+	struct xfs_btree_cur	*cur,
+	int			level,
+	int			*error,
+	__u32			errflag,
+	void			*ret_ip)
+{
+	xfs_fsblock_t		fsbno = xchk_btree_cur_fsbno(cur, level);
+
+	if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) {
+		xchk_whine(sc->mp, "ino 0x%llx fork %d type %s btnum %d level %d ptr %d agno 0x%x agbno 0x%x error %d errflag 0x%x ret_ip %pS",
+				cur->bc_ino.ip->i_ino,
+				cur->bc_ino.whichfork,
+				xchk_type_string(sc->sm->sm_type),
+				cur->bc_btnum,
+				level,
+				cur->bc_levels[level].ptr,
+				XFS_FSB_TO_AGNO(cur->bc_mp, fsbno),
+				XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno),
+				*error,
+				errflag,
+				ret_ip);
+		return;
+	}
+
+	xchk_whine(sc->mp, "type %s btnum %d level %d ptr %d agno 0x%x agbno 0x%x error %d errflag 0x%x ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type),
+			cur->bc_btnum,
+			level,
+			cur->bc_levels[level].ptr,
+			XFS_FSB_TO_AGNO(cur->bc_mp, fsbno),
+			XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno),
+			*error,
+			errflag,
+			ret_ip);
+}
+
 /*
  * Check for btree operation errors.  See the section about handling
  * operational errors in common.c.
@@ -44,9 +102,13 @@ __xchk_btree_process_error(
 	case -EFSCORRUPTED:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
+		process_error_whine(sc, cur, level, error, errflag, ret_ip);
 		*error = 0;
 		fallthrough;
 	default:
+		if (*error)
+			process_error_whine(sc, cur, level, error, errflag,
+					ret_ip);
 		if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)
 			trace_xchk_ifork_btree_op_error(sc, cur, level,
 					*error, ret_ip);
@@ -92,11 +154,37 @@ __xchk_btree_set_corrupt(
 	sc->sm->sm_flags |= errflag;
 
 	if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)
+	{
+		xfs_fsblock_t fsbno = xchk_btree_cur_fsbno(cur, level);
+		xchk_whine(sc->mp, "ino 0x%llx fork %d type %s btnum %d level %d ptr %d agno 0x%x agbno 0x%x errflag 0x%x ret_ip %pS",
+				cur->bc_ino.ip->i_ino,
+				cur->bc_ino.whichfork,
+				xchk_type_string(sc->sm->sm_type),
+				cur->bc_btnum,
+				level,
+				cur->bc_levels[level].ptr,
+				XFS_FSB_TO_AGNO(cur->bc_mp, fsbno),
+				XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno),
+				errflag,
+				ret_ip);
 		trace_xchk_ifork_btree_error(sc, cur, level,
 				ret_ip);
+	}
 	else
+	{
+		xfs_fsblock_t fsbno = xchk_btree_cur_fsbno(cur, level);
+		xchk_whine(sc->mp, "type %s btnum %d level %d ptr %d agno 0x%x agbno 0x%x errflag 0x%x ret_ip %pS",
+				xchk_type_string(sc->sm->sm_type),
+				cur->bc_btnum,
+				level,
+				cur->bc_levels[level].ptr,
+				XFS_FSB_TO_AGNO(cur->bc_mp, fsbno),
+				XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno),
+				errflag,
+				ret_ip);
 		trace_xchk_btree_error(sc, cur, level,
 				ret_ip);
+	}
 }
 
 void
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index a9801a5bb0383..2a9741235d310 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -105,9 +105,23 @@ __xchk_process_error(
 	case -EFSCORRUPTED:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
+		xchk_whine(sc->mp, "type %s agno 0x%x agbno 0x%x error %d errflag 0x%x ret_ip %pS",
+				xchk_type_string(sc->sm->sm_type),
+				agno,
+				bno,
+				*error,
+				errflag,
+				ret_ip);
 		*error = 0;
 		fallthrough;
 	default:
+		if (*error)
+			xchk_whine(sc->mp, "type %s agno 0x%x agbno 0x%x error %d ret_ip %pS",
+					xchk_type_string(sc->sm->sm_type),
+					agno,
+					bno,
+					*error,
+					ret_ip);
 		trace_xchk_op_error(sc, agno, bno, *error, ret_ip);
 		break;
 	}
@@ -190,9 +204,25 @@ __xchk_fblock_process_error(
 	case -EFSCORRUPTED:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
+		xchk_whine(sc->mp, "ino 0x%llx fork %d type %s offset %llu error %d errflag 0x%x ret_ip %pS",
+				sc->ip->i_ino,
+				whichfork,
+				xchk_type_string(sc->sm->sm_type),
+				offset,
+				*error,
+				errflag,
+				ret_ip);
 		*error = 0;
 		fallthrough;
 	default:
+		if (*error)
+			xchk_whine(sc->mp, "ino 0x%llx fork %d type %s offset %llu error %d ret_ip %pS",
+					sc->ip->i_ino,
+					whichfork,
+					xchk_type_string(sc->sm->sm_type),
+					offset,
+					*error,
+					ret_ip);
 		trace_xchk_file_op_error(sc, whichfork, offset, *error,
 				ret_ip);
 		break;
@@ -264,6 +294,8 @@ xchk_set_corrupt(
 	struct xfs_scrub	*sc)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+	xchk_whine(sc->mp, "type %s ret_ip %pS", xchk_type_string(sc->sm->sm_type),
+			__return_address);
 	trace_xchk_fs_error(sc, 0, __return_address);
 }
 
@@ -275,6 +307,11 @@ xchk_block_set_corrupt(
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
 	trace_xchk_block_error(sc, xfs_buf_daddr(bp), __return_address);
+	xchk_whine(sc->mp, "type %s agno 0x%x agbno 0x%x ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type),
+			xfs_daddr_to_agno(sc->mp, xfs_buf_daddr(bp)),
+			xfs_daddr_to_agbno(sc->mp, xfs_buf_daddr(bp)),
+			__return_address);
 }
 
 #ifdef CONFIG_XFS_QUOTA
@@ -286,6 +323,8 @@ xchk_qcheck_set_corrupt(
 	xfs_dqid_t		id)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+	xchk_whine(sc->mp, "type %s dqtype %u id %u ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type), dqtype, id, __return_address);
 	trace_xchk_qcheck_error(sc, dqtype, id, __return_address);
 }
 #endif /* CONFIG_XFS_QUOTA */
@@ -298,6 +337,11 @@ xchk_block_xref_set_corrupt(
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XCORRUPT;
 	trace_xchk_block_error(sc, xfs_buf_daddr(bp), __return_address);
+	xchk_whine(sc->mp, "type %s agno 0x%x agbno 0x%x ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type),
+			xfs_daddr_to_agno(sc->mp, xfs_buf_daddr(bp)),
+			xfs_daddr_to_agbno(sc->mp, xfs_buf_daddr(bp)),
+			__return_address);
 }
 
 /*
@@ -311,6 +355,8 @@ xchk_ino_set_corrupt(
 	xfs_ino_t		ino)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+	xchk_whine(sc->mp, "ino 0x%llx type %s ret_ip %pS",
+			ino, xchk_type_string(sc->sm->sm_type), __return_address);
 	trace_xchk_ino_error(sc, ino, __return_address);
 }
 
@@ -321,6 +367,8 @@ xchk_ino_xref_set_corrupt(
 	xfs_ino_t		ino)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XCORRUPT;
+	xchk_whine(sc->mp, "ino 0x%llx type %s ret_ip %pS",
+			ino, xchk_type_string(sc->sm->sm_type), __return_address);
 	trace_xchk_ino_error(sc, ino, __return_address);
 }
 
@@ -332,6 +380,12 @@ xchk_fblock_set_corrupt(
 	xfs_fileoff_t		offset)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+	xchk_whine(sc->mp, "ino 0x%llx fork %d type %s offset %llu ret_ip %pS",
+			sc->ip->i_ino,
+			whichfork,
+			xchk_type_string(sc->sm->sm_type),
+			offset,
+			__return_address);
 	trace_xchk_fblock_error(sc, whichfork, offset, __return_address);
 }
 
@@ -343,6 +397,12 @@ xchk_fblock_xref_set_corrupt(
 	xfs_fileoff_t		offset)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XCORRUPT;
+	xchk_whine(sc->mp, "ino 0x%llx fork %d type %s offset %llu ret_ip %pS",
+			sc->ip->i_ino,
+			whichfork,
+			xchk_type_string(sc->sm->sm_type),
+			offset,
+			__return_address);
 	trace_xchk_fblock_error(sc, whichfork, offset, __return_address);
 }
 
@@ -356,6 +416,8 @@ xchk_ino_set_warning(
 	xfs_ino_t		ino)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_WARNING;
+	xchk_whine(sc->mp, "ino 0x%llx type %s ret_ip %pS",
+			ino, xchk_type_string(sc->sm->sm_type), __return_address);
 	trace_xchk_ino_warning(sc, ino, __return_address);
 }
 
@@ -367,6 +429,12 @@ xchk_fblock_set_warning(
 	xfs_fileoff_t		offset)
 {
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_WARNING;
+	xchk_whine(sc->mp, "ino 0x%llx fork %d type %s offset %llu ret_ip %pS",
+			sc->ip->i_ino,
+			whichfork,
+			xchk_type_string(sc->sm->sm_type),
+			offset,
+			__return_address);
 	trace_xchk_fblock_warning(sc, whichfork, offset, __return_address);
 }
 
@@ -1312,6 +1380,10 @@ xchk_iget_for_scrubbing(
 out_cancel:
 	xchk_trans_cancel(sc);
 out_error:
+	xchk_whine(mp, "type %s agno 0x%x agbno 0x%x error %d ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type), agno,
+			XFS_INO_TO_AGBNO(mp, sc->sm->sm_ino), error,
+			__return_address);
 	trace_xchk_op_error(sc, agno, XFS_INO_TO_AGBNO(mp, sc->sm->sm_ino),
 			error, __return_address);
 	return error;
@@ -1453,6 +1525,10 @@ xchk_should_check_xref(
 	}
 
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XFAIL;
+	xchk_whine(sc->mp, "type %s xref error %d ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type),
+			*error,
+			__return_address);
 	trace_xchk_xref_error(sc, *error, __return_address);
 
 	/*
@@ -1484,6 +1560,11 @@ xchk_buffer_recheck(
 		return;
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
 	trace_xchk_block_error(sc, xfs_buf_daddr(bp), fa);
+	xchk_whine(sc->mp, "type %s agno 0x%x agbno 0x%x ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type),
+			xfs_daddr_to_agno(sc->mp, xfs_buf_daddr(bp)),
+			xfs_daddr_to_agbno(sc->mp, xfs_buf_daddr(bp)),
+			fa);
 }
 
 static inline int
@@ -1793,3 +1874,29 @@ xchk_inode_count_blocks(
 	*count = btblocks - 1;
 	return 0;
 }
+
+/* Complain about failures... */
+void
+xchk_whine(
+	const struct xfs_mount	*mp,
+	const char		*fmt,
+	...)
+{
+	struct va_format	vaf;
+	va_list			args;
+
+	if (!xfs_globals.scrub_whine)
+		return;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	printk(KERN_INFO "XFS (%s) %pS: %pV\n", mp->m_super->s_id,
+			__return_address, &vaf);
+	va_end(args);
+
+	if (xfs_error_level >= XFS_ERRLEVEL_HIGH)
+		xfs_stack_trace();
+}
diff --git a/fs/xfs/scrub/common.h b/fs/xfs/scrub/common.h
index ed22e1403d0f0..53f4de067369a 100644
--- a/fs/xfs/scrub/common.h
+++ b/fs/xfs/scrub/common.h
@@ -188,6 +188,7 @@ bool xchk_ilock_nowait(struct xfs_scrub *sc, unsigned int ilock_flags);
 void xchk_iunlock(struct xfs_scrub *sc, unsigned int ilock_flags);
 
 void xchk_buffer_recheck(struct xfs_scrub *sc, struct xfs_buf *bp);
+void xchk_whine(const struct xfs_mount *mp, const char *fmt, ...);
 
 /*
  * Grab the inode at @inum.  The caller must have created a scrub transaction
diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c
index 056de4819f866..ae64db9f0bba2 100644
--- a/fs/xfs/scrub/dabtree.c
+++ b/fs/xfs/scrub/dabtree.c
@@ -47,9 +47,26 @@ xchk_da_process_error(
 	case -EFSCORRUPTED:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+		xchk_whine(sc->mp, "ino 0x%llx fork %d type %s dablk 0x%llx error %d ret_ip %pS",
+				sc->ip->i_ino,
+				ds->dargs.whichfork,
+				xchk_type_string(sc->sm->sm_type),
+				xfs_dir2_da_to_db(ds->dargs.geo,
+					ds->state->path.blk[level].blkno),
+				*error,
+				__return_address);
 		*error = 0;
 		fallthrough;
 	default:
+		if (*error)
+			xchk_whine(sc->mp, "ino 0x%llx fork %d type %s dablk 0x%llx error %d ret_ip %pS",
+					sc->ip->i_ino,
+					ds->dargs.whichfork,
+					xchk_type_string(sc->sm->sm_type),
+					xfs_dir2_da_to_db(ds->dargs.geo,
+						ds->state->path.blk[level].blkno),
+					*error,
+					__return_address);
 		trace_xchk_file_op_error(sc, ds->dargs.whichfork,
 				xfs_dir2_da_to_db(ds->dargs.geo,
 					ds->state->path.blk[level].blkno),
@@ -72,6 +89,13 @@ xchk_da_set_corrupt(
 
 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
 
+	xchk_whine(sc->mp, "ino 0x%llx fork %d type %s dablk 0x%llx ret_ip %pS",
+			sc->ip->i_ino,
+			ds->dargs.whichfork,
+			xchk_type_string(sc->sm->sm_type),
+			xfs_dir2_da_to_db(ds->dargs.geo,
+				ds->state->path.blk[level].blkno),
+			__return_address);
 	trace_xchk_fblock_error(sc, ds->dargs.whichfork,
 			xfs_dir2_da_to_db(ds->dargs.geo,
 				ds->state->path.blk[level].blkno),
diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c
index e52e12e9a1b4b..cb2530a93a001 100644
--- a/fs/xfs/scrub/inode.c
+++ b/fs/xfs/scrub/inode.c
@@ -217,6 +217,10 @@ xchk_setup_inode(
 out_cancel:
 	xchk_trans_cancel(sc);
 out_error:
+	xchk_whine(mp, "type %s agno 0x%x agbno 0x%x error %d ret_ip %pS",
+			xchk_type_string(sc->sm->sm_type), agno,
+			XFS_INO_TO_AGBNO(mp, sc->sm->sm_ino), error,
+			__return_address);
 	trace_xchk_op_error(sc, agno, XFS_INO_TO_AGBNO(mp, sc->sm->sm_ino),
 			error, __return_address);
 	return error;
diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c
index 94a733975879a..1a098a8913925 100644
--- a/fs/xfs/scrub/scrub.c
+++ b/fs/xfs/scrub/scrub.c
@@ -632,6 +632,45 @@ xchk_scrub_create_subord(
 	return sub;
 }
 
+static inline void
+repair_outcomes(struct xfs_scrub *sc, int error)
+{
+	struct xfs_scrub_metadata *sm = sc->sm;
+	const char *wut = NULL;
+
+	if (!xfs_globals.scrub_whine)
+		return;
+
+	if (sc->flags & XREP_ALREADY_FIXED) {
+		wut = "*** REPAIR SUCCESS";
+		error = 0;
+	} else if (error == -EBUSY) {
+		wut = "??? FILESYSTEM BUSY";
+	} else if (error == -EAGAIN) {
+		wut = "??? REPAIR DEFERRED";
+	} else if (error == -ECANCELED) {
+		wut = "??? REPAIR CANCELLED";
+	} else if (error == -EINTR) {
+		wut = "??? REPAIR INTERRUPTED";
+	} else if (error != -EOPNOTSUPP && error != -ENOENT) {
+		wut = "!!! REPAIR FAILED";
+		xfs_info(sc->mp,
+"%s ino 0x%llx type %s agno 0x%x inum 0x%llx gen 0x%x flags 0x%x error %d",
+				wut, XFS_I(file_inode(sc->file))->i_ino,
+				xchk_type_string(sm->sm_type), sm->sm_agno,
+				sm->sm_ino, sm->sm_gen, sm->sm_flags, error);
+		return;
+	} else {
+		return;
+	}
+
+	xfs_info_ratelimited(sc->mp,
+"%s ino 0x%llx type %s agno 0x%x inum 0x%llx gen 0x%x flags 0x%x error %d",
+			wut, XFS_I(file_inode(sc->file))->i_ino,
+			xchk_type_string(sm->sm_type), sm->sm_agno, sm->sm_ino,
+			sm->sm_gen, sm->sm_flags, error);
+}
+
 /* Dispatch metadata scrubbing. */
 int
 xfs_scrub_metadata(
@@ -729,6 +768,7 @@ xfs_scrub_metadata(
 		 * already tried to fix it, then attempt a repair.
 		 */
 		error = xrep_attempt(sc, &run);
+		repair_outcomes(sc, error);
 		if (error == -EAGAIN) {
 			/*
 			 * Either the repair function succeeded or it couldn't
diff --git a/fs/xfs/scrub/trace.c b/fs/xfs/scrub/trace.c
index 4d0a6dceaa6c6..24a75e9e1a821 100644
--- a/fs/xfs/scrub/trace.c
+++ b/fs/xfs/scrub/trace.c
@@ -69,3 +69,25 @@ xfbtree_ino(
  */
 #define CREATE_TRACE_POINTS
 #include "scrub/trace.h"
+
+/* xchk_whine stuff */
+struct xchk_tstr {
+	unsigned int	type;
+	const char	*tag;
+};
+
+static const struct xchk_tstr xchk_tstr_tags[] = { XFS_SCRUB_TYPE_STRINGS };
+
+const char *
+xchk_type_string(
+	unsigned int	type)
+{
+	unsigned int	i;
+
+	for (i = 0; i < ARRAY_SIZE(xchk_tstr_tags); i++) {
+		if (xchk_tstr_tags[i].type == type)
+			return xchk_tstr_tags[i].tag;
+	}
+
+	return "???";
+}
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h
index 2c6f7e3b7578d..cfd882edb2937 100644
--- a/fs/xfs/scrub/trace.h
+++ b/fs/xfs/scrub/trace.h
@@ -127,6 +127,8 @@ TRACE_DEFINE_ENUM(XFS_SCRUB_TYPE_RTREFCBT);
 	{ XFS_SCRUB_TYPE_RTRMAPBT,	"rtrmapbt" }, \
 	{ XFS_SCRUB_TYPE_RTREFCBT,	"rtrefcountbt" }
 
+const char *xchk_type_string(unsigned int type);
+
 #define XFS_SCRUB_FLAG_STRINGS \
 	{ XFS_SCRUB_IFLAG_REPAIR,		"repair" }, \
 	{ XFS_SCRUB_OFLAG_CORRUPT,		"corrupt" }, \
diff --git a/fs/xfs/xfs_globals.c b/fs/xfs/xfs_globals.c
index f18fec0adf666..f5fe896b9a8ec 100644
--- a/fs/xfs/xfs_globals.c
+++ b/fs/xfs/xfs_globals.c
@@ -44,6 +44,11 @@ struct xfs_globals xfs_globals = {
 	.pwork_threads		=	-1,	/* automatic thread detection */
 	.larp			=	false,	/* log attribute replay */
 #endif
+#ifdef CONFIG_XFS_ONLINE_SCRUB_WHINE
+	.scrub_whine		=	true,
+#else
+	.scrub_whine		=	false,
+#endif
 
 	/*
 	 * Leave this many record slots empty when bulk loading btrees.  By
diff --git a/fs/xfs/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h
index 276696a07040c..b0939ac370fba 100644
--- a/fs/xfs/xfs_sysctl.h
+++ b/fs/xfs/xfs_sysctl.h
@@ -91,6 +91,7 @@ struct xfs_globals {
 	int	mount_delay;		/* mount setup delay (secs) */
 	bool	bug_on_assert;		/* BUG() the kernel on assert failure */
 	bool	always_cow;		/* use COW fork for all overwrites */
+	bool	scrub_whine;		/* noisier output from scrub */
 };
 extern struct xfs_globals	xfs_globals;
 
diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
index 17485666b6723..b9ba47dcee8c1 100644
--- a/fs/xfs/xfs_sysfs.c
+++ b/fs/xfs/xfs_sysfs.c
@@ -262,6 +262,37 @@ larp_show(
 XFS_SYSFS_ATTR_RW(larp);
 #endif /* DEBUG */
 
+/* Logging of the outcomes of everything that scrub does */
+STATIC ssize_t
+scrub_whine_store(
+	struct kobject	*kobject,
+	const char	*buf,
+	size_t		count)
+{
+	int		ret;
+	int		val;
+
+	ret = kstrtoint(buf, 0, &val);
+	if (ret)
+		return ret;
+
+	if (val < -1 || val > num_possible_cpus())
+		return -EINVAL;
+
+	xfs_globals.scrub_whine = val;
+
+	return count;
+}
+
+STATIC ssize_t
+scrub_whine_show(
+	struct kobject	*kobject,
+	char		*buf)
+{
+	return sysfs_emit(buf, "%d\n", xfs_globals.scrub_whine);
+}
+XFS_SYSFS_ATTR_RW(scrub_whine);
+
 STATIC ssize_t
 bload_leaf_slack_store(
 	struct kobject	*kobject,
@@ -323,6 +354,7 @@ static struct attribute *xfs_dbg_attrs[] = {
 	ATTR_LIST(pwork_threads),
 	ATTR_LIST(larp),
 #endif
+	ATTR_LIST(scrub_whine),
 	ATTR_LIST(bload_leaf_slack),
 	ATTR_LIST(bload_node_slack),
 	NULL,


  parent reply	other threads:[~2023-12-31 22:01 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-31 18:25 [NYE PATCHRIVER 4/4] xfs: freespace defrag for online shrink Darrick J. Wong
2023-12-31 19:38 ` [PATCHSET 1/5] xfs: improve post-close eofblocks gc behavior Darrick J. Wong
2023-12-31 22:00   ` [PATCH 1/3] xfs: only free posteof blocks on first close Darrick J. Wong
2023-12-31 22:00   ` [PATCH 2/3] xfs: don't free EOF blocks on read close Darrick J. Wong
2023-12-31 22:00   ` [PATCH 3/3] xfs: Don't free EOF blocks on close when extent size hints are set Darrick J. Wong
2023-12-31 19:38 ` [PATCHSET RFC 2/5] xfs: noalloc allocation groups Darrick J. Wong
2023-12-31 22:00   ` [PATCH 1/5] xfs: track deferred ops statistics Darrick J. Wong
2023-12-31 22:01   ` Darrick J. Wong [this message]
2023-12-31 22:01   ` [PATCH 3/5] xfs: create a noalloc mode for allocation groups Darrick J. Wong
2023-12-31 22:01   ` [PATCH 4/5] xfs: enable userspace to hide an AG from allocation Darrick J. Wong
2023-12-31 22:02   ` [PATCH 5/5] xfs: apply noalloc mode to inode allocations too Darrick J. Wong
2023-12-31 19:39 ` [PATCHSET 3/5] xfs: report refcount information to userspace Darrick J. Wong
2023-12-31 22:02   ` [PATCH 1/1] xfs: export reference count " Darrick J. Wong
2023-12-31 19:39 ` [PATCHSET 4/5] xfs: defragment free space Darrick J. Wong
2023-12-31 22:02   ` [PATCH 1/2] xfs: capture the offset and length in fallocate tracepoints Darrick J. Wong
2023-12-31 22:02   ` [PATCH 2/2] xfs: add an ioctl to map free space into a file Darrick J. Wong
2023-12-31 19:39 ` [PATCHSET v2 5/5] xfs: aligned file data extent mappings Darrick J. Wong
2023-12-31 22:03   ` [PATCH 1/4] xfs: create a new inode flag to require extsize alignment of file data space Darrick J. Wong
2023-12-31 22:03   ` [PATCH 2/4] xfs: make file data allocations observe the 'forcealign' flag Darrick J. Wong
2024-01-16  9:26     ` John Garry
2023-12-31 22:03   ` [PATCH 3/4] xfs: support reflink with force align enabled Darrick J. Wong
2023-12-31 22:03   ` [PATCH 4/4] xfs: enable file data force-align feature Darrick J. Wong
2023-12-31 19:56 ` [PATCHSET RFC 1/3] xfsprogs: noalloc allocation groups Darrick J. Wong
2023-12-27 13:38   ` [PATCH 1/5] xfs: track deferred ops statistics Darrick J. Wong
2023-12-27 13:38   ` [PATCH 2/5] xfs: create a noalloc mode for allocation groups Darrick J. Wong
2023-12-27 13:38   ` [PATCH 3/5] xfs: enable userspace to hide an AG from allocation Darrick J. Wong
2023-12-27 13:39   ` [PATCH 4/5] xfs: apply noalloc mode to inode allocations too Darrick J. Wong
2023-12-27 13:39   ` [PATCH 5/5] xfs_io: enhance the aginfo command to control the noalloc flag Darrick J. Wong
2023-12-31 19:56 ` [PATCHSET 2/3] xfsprogs: report refcount information to userspace Darrick J. Wong
2023-12-27 13:39   ` [PATCH 1/2] xfs: export reference count " Darrick J. Wong
2023-12-27 13:39   ` [PATCH 2/2] xfs_io: dump reference count information Darrick J. Wong
2023-12-31 19:56 ` [PATCHSET 3/3] xfsprogs: defragment free space Darrick J. Wong
2023-12-27 13:40   ` [PATCH 01/10] xfs: add an ioctl to map free space into a file Darrick J. Wong
2023-12-27 13:40   ` [PATCH 02/10] xfs_io: support using XFS_IOC_MAP_FREESP to map free space Darrick J. Wong
2023-12-27 13:40   ` [PATCH 03/10] xfs_db: get and put blocks on the AGFL Darrick J. Wong
2023-12-27 13:41   ` [PATCH 04/10] xfs_spaceman: implement clearing free space Darrick J. Wong
2023-12-27 13:41   ` [PATCH 05/10] spaceman: physically move a regular inode Darrick J. Wong
2023-12-27 13:41   ` [PATCH 06/10] spaceman: find owners of space in an AG Darrick J. Wong
2023-12-27 13:41   ` [PATCH 07/10] xfs_spaceman: wrap radix tree accesses in find_owner.c Darrick J. Wong
2023-12-27 13:42   ` [PATCH 08/10] xfs_spaceman: port relocation structure to 32-bit systems Darrick J. Wong
2023-12-27 13:42   ` [PATCH 09/10] spaceman: relocate the contents of an AG Darrick J. Wong
2023-12-27 13:42   ` [PATCH 10/10] spaceman: move inodes with hardlinks Darrick J. Wong
2023-12-31 20:02 ` [PATCHSET 1/2] fstests: functional test for refcount reporting Darrick J. Wong
2023-12-27 14:06   ` [PATCH 1/2] xfs/122: update for the getfsrefs ioctl Darrick J. Wong
2023-12-27 14:06   ` [PATCH 2/2] xfs: test output of new FSREFCOUNTS ioctl Darrick J. Wong
2023-12-31 20:02 ` [PATCHSET 2/2] fstests: defragment free space Darrick J. Wong
2023-12-27 14:06   ` [PATCH 1/2] xfs/122: update for XFS_IOC_MAP_FREESP Darrick J. Wong
2023-12-27 14:07   ` [PATCH 2/2] xfs: test clearing of free space Darrick J. Wong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=170404854753.1769671.12991524814359250998.stgit@frogsfrogsfrogs \
    --to=djwong@kernel.org \
    --cc=linux-xfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.