modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/fs/xfs/scrub/scrub.c
..
..
@@ -9,37 +9,19 @@
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 #include "xfs_format.h"
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 #include "xfs_trans_resv.h"
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 #include "xfs_mount.h"
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-#include "xfs_defer.h"
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-#include "xfs_btree.h"
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-#include "xfs_bit.h"
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 #include "xfs_log_format.h"
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 #include "xfs_trans.h"
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-#include "xfs_sb.h"
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 #include "xfs_inode.h"
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-#include "xfs_icache.h"
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-#include "xfs_itable.h"
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-#include "xfs_alloc.h"
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-#include "xfs_alloc_btree.h"
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-#include "xfs_bmap.h"
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-#include "xfs_bmap_btree.h"
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-#include "xfs_ialloc.h"
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-#include "xfs_ialloc_btree.h"
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-#include "xfs_refcount.h"
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-#include "xfs_refcount_btree.h"
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-#include "xfs_rmap.h"
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-#include "xfs_rmap_btree.h"
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 #include "xfs_quota.h"
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 #include "xfs_qm.h"
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 #include "xfs_errortag.h"
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 #include "xfs_error.h"
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-#include "xfs_log.h"
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-#include "xfs_trans_priv.h"
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-#include "scrub/xfs_scrub.h"
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+#include "xfs_scrub.h"
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 #include "scrub/scrub.h"
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 #include "scrub/common.h"
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 #include "scrub/trace.h"
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-#include "scrub/btree.h"
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 #include "scrub/repair.h"
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+#include "scrub/health.h"
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25
 
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 /*
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27
  * Online Scrub and Repair
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..
@@ -186,8 +168,13 @@
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 			xfs_irele(sc->ip);
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 		sc->ip = NULL;
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 	}
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-	if (sc->has_quotaofflock)
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+	sb_end_write(sc->mp->m_super);
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+	if (sc->flags & XCHK_REAPING_DISABLED)
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+		xchk_start_reaping(sc);
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+	if (sc->flags & XCHK_HAS_QUOTAOFFLOCK) {
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 		mutex_unlock(&sc->mp->m_quotainfo->qi_quotaofflock);
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+		sc->flags &= ~XCHK_HAS_QUOTAOFFLOCK;
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+	}
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 	if (sc->buf) {
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 		kmem_free(sc->buf);
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 		sc->buf = NULL;
..
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@@ -347,6 +334,12 @@
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 		.scrub	= xchk_quota,
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 		.repair	= xrep_notsupported,
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 	},
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+	[XFS_SCRUB_TYPE_FSCOUNTERS] = {	/* fs summary counters */
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+		.type	= ST_FS,
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+		.setup	= xchk_setup_fscounters,
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+		.scrub	= xchk_fscounters,
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+		.repair	= xrep_notsupported,
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+	},
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 };
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 /* This isn't a stable feature, warn once per day. */
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@@ -412,19 +405,6 @@
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 		goto out;
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 	}
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407
 
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-	error = -EOPNOTSUPP;
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-	/*
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-	 * We won't scrub any filesystem that doesn't have the ability
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-	 * to record unwritten extents.  The option was made default in
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-	 * 2003, removed from mkfs in 2007, and cannot be disabled in
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-	 * v5, so if we find a filesystem without this flag it's either
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-	 * really old or totally unsupported.  Avoid it either way.
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-	 * We also don't support v1-v3 filesystems, which aren't
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-	 * mountable.
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-	 */
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-	if (!xfs_sb_version_hasextflgbit(&mp->m_sb))
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-		goto out;
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-
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 	/*
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 	 * We only want to repair read-write v5+ filesystems.  Defer the check
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 	 * for ops->repair until after our scrub confirms that we need to
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@@ -479,10 +459,14 @@
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 	struct xfs_inode		*ip,
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 	struct xfs_scrub_metadata	*sm)
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 {
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-	struct xfs_scrub		sc;
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+	struct xfs_scrub		sc = {
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+		.mp			= ip->i_mount,
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+		.sm			= sm,
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+		.sa			= {
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+			.agno		= NULLAGNUMBER,
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+		},
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+	};
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 	struct xfs_mount		*mp = ip->i_mount;
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-	bool				try_harder = false;
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-	bool				already_fixed = false;
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 	int				error = 0;
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471
 
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 	BUILD_BUG_ON(sizeof(meta_scrub_ops) !=
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@@ -504,21 +488,25 @@
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488
 
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 	xchk_experimental_warning(mp);
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490
 
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-retry_op:
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-	/* Set up for the operation. */
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-	memset(&sc, 0, sizeof(sc));
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-	sc.mp = ip->i_mount;
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-	sc.sm = sm;
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491
 	sc.ops = &meta_scrub_ops[sm->sm_type];
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-	sc.try_harder = try_harder;
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-	sc.sa.agno = NULLAGNUMBER;
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+	sc.sick_mask = xchk_health_mask_for_scrub_type(sm->sm_type);
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+retry_op:
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+	/*
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+	 * If freeze runs concurrently with a scrub, the freeze can be delayed
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+	 * indefinitely as we walk the filesystem and iterate over metadata
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+	 * buffers.  Freeze quiesces the log (which waits for the buffer LRU to
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+	 * be emptied) and that won't happen while checking is running.
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+	 */
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+	sb_start_write(mp->m_super);
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+
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+	/* Set up for the operation. */
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 	error = sc.ops->setup(&sc, ip);
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 	if (error)
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 		goto out_teardown;
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 	/* Scrub for errors. */
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 	error = sc.ops->scrub(&sc);
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-	if (!try_harder && error == -EDEADLOCK) {
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+	if (!(sc.flags & XCHK_TRY_HARDER) && error == -EDEADLOCK) {
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 		/*
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 		 * Scrubbers return -EDEADLOCK to mean 'try harder'.
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 		 * Tear down everything we hold, then set up again with
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@@ -527,12 +515,15 @@
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 		error = xchk_teardown(&sc, ip, 0);
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 		if (error)
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 			goto out;
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-		try_harder = true;
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+		sc.flags |= XCHK_TRY_HARDER;
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 		goto retry_op;
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 	} else if (error)
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 		goto out_teardown;
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522
 
535
-	if ((sc.sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) && !already_fixed) {
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+	xchk_update_health(&sc);
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+
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+	if ((sc.sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) &&
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+	    !(sc.flags & XREP_ALREADY_FIXED)) {
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 		bool needs_fix;
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 		/* Let debug users force us into the repair routines. */
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@@ -555,10 +546,13 @@
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 		 * If it's broken, userspace wants us to fix it, and we haven't
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 		 * already tried to fix it, then attempt a repair.
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 		 */
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-		error = xrep_attempt(ip, &sc, &already_fixed);
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+		error = xrep_attempt(ip, &sc);
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 		if (error == -EAGAIN) {
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-			if (sc.try_harder)
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-				try_harder = true;
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+			/*
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+			 * Either the repair function succeeded or it couldn't
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+			 * get all the resources it needs; either way, we go
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+			 * back to the beginning and call the scrub function.
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+			 */
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 			error = xchk_teardown(&sc, ip, 0);
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 			if (error) {
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 				xrep_failure(mp);