Linux-XFS Archive mirror
 help / color / mirror / Atom feed
From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org
Cc: Christoph Hellwig <hch@lst.de>,
	allison.henderson@oracle.com, hch@infradead.org,
	linux-xfs@vger.kernel.org, catherine.hoang@oracle.com,
	hch@lst.de
Subject: [PATCH 4/7] xfs: scrub parent pointers
Date: Mon, 15 Apr 2024 18:35:09 -0700	[thread overview]
Message-ID: <171323028732.252774.10690588630559570573.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <171323028648.252774.8320615230798893063.stgit@frogsfrogsfrogs>

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

Actually check parent pointers now.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/scrub/parent.c |  371 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 371 insertions(+)


diff --git a/fs/xfs/scrub/parent.c b/fs/xfs/scrub/parent.c
index acb6282c3d148..6ebbb71041269 100644
--- a/fs/xfs/scrub/parent.c
+++ b/fs/xfs/scrub/parent.c
@@ -15,11 +15,15 @@
 #include "xfs_icache.h"
 #include "xfs_dir2.h"
 #include "xfs_dir2_priv.h"
+#include "xfs_attr.h"
+#include "xfs_parent.h"
 #include "scrub/scrub.h"
 #include "scrub/common.h"
 #include "scrub/readdir.h"
 #include "scrub/tempfile.h"
 #include "scrub/repair.h"
+#include "scrub/listxattr.h"
+#include "scrub/trace.h"
 
 /* Set us up to scrub parents. */
 int
@@ -197,6 +201,370 @@ xchk_parent_validate(
 	return error;
 }
 
+/*
+ * Checking of Parent Pointers
+ * ===========================
+ *
+ * On filesystems with directory parent pointers, we check the referential
+ * integrity by visiting each parent pointer of a child file and checking that
+ * the directory referenced by the pointer actually has a dirent pointing
+ * forward to the child file.
+ */
+
+struct xchk_pptrs {
+	struct xfs_scrub	*sc;
+
+	/* How many parent pointers did we find at the end? */
+	unsigned long long	pptrs_found;
+
+	/* Parent of this directory. */
+	xfs_ino_t		parent_ino;
+};
+
+/* Does this parent pointer match the dotdot entry? */
+STATIC int
+xchk_parent_scan_dotdot(
+	struct xfs_scrub		*sc,
+	struct xfs_inode		*ip,
+	unsigned int			attr_flags,
+	const unsigned char		*name,
+	unsigned int			namelen,
+	const void			*value,
+	unsigned int			valuelen,
+	void				*priv)
+{
+	struct xchk_pptrs		*pp = priv;
+	xfs_ino_t			parent_ino;
+	int				error;
+
+	if (!(attr_flags & XFS_ATTR_PARENT))
+		return 0;
+
+	error = xfs_parent_from_attr(sc->mp, attr_flags, name, namelen, value,
+			valuelen, &parent_ino, NULL);
+	if (error)
+		return error;
+
+	if (pp->parent_ino == parent_ino)
+		return -ECANCELED;
+
+	return 0;
+}
+
+/* Look up the dotdot entry so that we can check it as we walk the pptrs. */
+STATIC int
+xchk_parent_pptr_and_dotdot(
+	struct xchk_pptrs	*pp)
+{
+	struct xfs_scrub	*sc = pp->sc;
+	int			error;
+
+	/* Look up '..' */
+	error = xchk_dir_lookup(sc, sc->ip, &xfs_name_dotdot, &pp->parent_ino);
+	if (!xchk_fblock_process_error(sc, XFS_DATA_FORK, 0, &error))
+		return error;
+	if (!xfs_verify_dir_ino(sc->mp, pp->parent_ino)) {
+		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, 0);
+		return 0;
+	}
+
+	/* Is this the root dir?  Then '..' must point to itself. */
+	if (sc->ip == sc->mp->m_rootip) {
+		if (sc->ip->i_ino != pp->parent_ino)
+			xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, 0);
+		return 0;
+	}
+
+	/*
+	 * If this is now an unlinked directory, the dotdot value is
+	 * meaningless as long as it points to a valid inode.
+	 */
+	if (VFS_I(sc->ip)->i_nlink == 0)
+		return 0;
+
+	if (pp->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+		return 0;
+
+	/* Otherwise, walk the pptrs again, and check. */
+	error = xchk_xattr_walk(sc, sc->ip, xchk_parent_scan_dotdot, pp);
+	if (error == -ECANCELED) {
+		/* Found a parent pointer that matches dotdot. */
+		return 0;
+	}
+	if (!error || error == -EFSCORRUPTED) {
+		/* Found a broken parent pointer or no match. */
+		xchk_fblock_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return 0;
+	}
+	return error;
+}
+
+/*
+ * Try to lock a parent directory for checking dirents.  Returns the inode
+ * flags for the locks we now hold, or zero if we failed.
+ */
+STATIC unsigned int
+xchk_parent_lock_dir(
+	struct xfs_scrub	*sc,
+	struct xfs_inode	*dp)
+{
+	if (!xfs_ilock_nowait(dp, XFS_IOLOCK_SHARED))
+		return 0;
+
+	if (!xfs_ilock_nowait(dp, XFS_ILOCK_SHARED)) {
+		xfs_iunlock(dp, XFS_IOLOCK_SHARED);
+		return 0;
+	}
+
+	if (!xfs_need_iread_extents(&dp->i_df))
+		return XFS_IOLOCK_SHARED | XFS_ILOCK_SHARED;
+
+	xfs_iunlock(dp, XFS_ILOCK_SHARED);
+
+	if (!xfs_ilock_nowait(dp, XFS_ILOCK_EXCL)) {
+		xfs_iunlock(dp, XFS_IOLOCK_SHARED);
+		return 0;
+	}
+
+	return XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL;
+}
+
+/* Check the forward link (dirent) associated with this parent pointer. */
+STATIC int
+xchk_parent_dirent(
+	struct xchk_pptrs	*pp,
+	const struct xfs_name	*xname,
+	struct xfs_inode	*dp)
+{
+	struct xfs_scrub	*sc = pp->sc;
+	xfs_ino_t		child_ino;
+	int			error;
+
+	/*
+	 * Use the name attached to this parent pointer to look up the
+	 * directory entry in the alleged parent.
+	 */
+	error = xchk_dir_lookup(sc, dp, xname, &child_ino);
+	if (error == -ENOENT) {
+		xchk_fblock_xref_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return 0;
+	}
+	if (!xchk_fblock_xref_process_error(sc, XFS_ATTR_FORK, 0, &error))
+		return error;
+
+	/* Does the inode number match? */
+	if (child_ino != sc->ip->i_ino) {
+		xchk_fblock_xref_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return 0;
+	}
+
+	return 0;
+}
+
+/* Try to grab a parent directory. */
+STATIC int
+xchk_parent_iget(
+	struct xchk_pptrs	*pp,
+	const struct xfs_parent_rec	*pptr,
+	struct xfs_inode	**dpp)
+{
+	struct xfs_scrub	*sc = pp->sc;
+	struct xfs_inode	*ip;
+	xfs_ino_t		parent_ino = be64_to_cpu(pptr->p_ino);
+	int			error;
+
+	/* Validate inode number. */
+	error = xfs_dir_ino_validate(sc->mp, parent_ino);
+	if (error) {
+		xchk_fblock_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return -ECANCELED;
+	}
+
+	error = xchk_iget(sc, parent_ino, &ip);
+	if (error == -EINVAL || error == -ENOENT) {
+		xchk_fblock_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return -ECANCELED;
+	}
+	if (!xchk_fblock_xref_process_error(sc, XFS_ATTR_FORK, 0, &error))
+		return error;
+
+	/* The parent must be a directory. */
+	if (!S_ISDIR(VFS_I(ip)->i_mode)) {
+		xchk_fblock_xref_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		goto out_rele;
+	}
+
+	/* Validate generation number. */
+	if (VFS_I(ip)->i_generation != be32_to_cpu(pptr->p_gen)) {
+		xchk_fblock_xref_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		goto out_rele;
+	}
+
+	*dpp = ip;
+	return 0;
+out_rele:
+	xchk_irele(sc, ip);
+	return 0;
+}
+
+/*
+ * Walk an xattr of a file.  If this xattr is a parent pointer, follow it up
+ * to a parent directory and check that the parent has a dirent pointing back
+ * to us.
+ */
+STATIC int
+xchk_parent_scan_attr(
+	struct xfs_scrub	*sc,
+	struct xfs_inode	*ip,
+	unsigned int		attr_flags,
+	const unsigned char	*name,
+	unsigned int		namelen,
+	const void		*value,
+	unsigned int		valuelen,
+	void			*priv)
+{
+	struct xfs_name		xname = {
+		.name		= name,
+		.len		= namelen,
+	};
+	struct xchk_pptrs	*pp = priv;
+	struct xfs_inode	*dp = NULL;
+	const struct xfs_parent_rec *pptr_rec = value;
+	xfs_ino_t		parent_ino;
+	unsigned int		lockmode;
+	int			error;
+
+	if (!(attr_flags & XFS_ATTR_PARENT))
+		return 0;
+
+	error = xfs_parent_from_attr(sc->mp, attr_flags, name, namelen, value,
+			valuelen, &parent_ino, NULL);
+	if (error) {
+		xchk_fblock_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return error;
+	}
+
+	/* No self-referential parent pointers. */
+	if (parent_ino == sc->ip->i_ino) {
+		xchk_fblock_set_corrupt(sc, XFS_ATTR_FORK, 0);
+		return -ECANCELED;
+	}
+
+	pp->pptrs_found++;
+
+	error = xchk_parent_iget(pp, pptr_rec, &dp);
+	if (error)
+		return error;
+	if (!dp)
+		return 0;
+
+	/* Try to lock the inode. */
+	lockmode = xchk_parent_lock_dir(sc, dp);
+	if (!lockmode) {
+		xchk_set_incomplete(sc);
+		error = -ECANCELED;
+		goto out_rele;
+	}
+
+	error = xchk_parent_dirent(pp, &xname, dp);
+	if (error)
+		goto out_unlock;
+
+out_unlock:
+	xfs_iunlock(dp, lockmode);
+out_rele:
+	xchk_irele(sc, dp);
+	return error;
+}
+
+/*
+ * Compare the number of parent pointers to the link count.  For
+ * non-directories these should be the same.  For unlinked directories the
+ * count should be zero; for linked directories, it should be nonzero.
+ */
+STATIC int
+xchk_parent_count_pptrs(
+	struct xchk_pptrs	*pp)
+{
+	struct xfs_scrub	*sc = pp->sc;
+
+	if (S_ISDIR(VFS_I(sc->ip)->i_mode)) {
+		if (sc->ip == sc->mp->m_rootip)
+			pp->pptrs_found++;
+
+		if (VFS_I(sc->ip)->i_nlink == 0 && pp->pptrs_found > 0)
+			xchk_ino_set_corrupt(sc, sc->ip->i_ino);
+		else if (VFS_I(sc->ip)->i_nlink > 0 &&
+			 pp->pptrs_found == 0)
+			xchk_ino_set_corrupt(sc, sc->ip->i_ino);
+	} else {
+		if (VFS_I(sc->ip)->i_nlink != pp->pptrs_found)
+			xchk_ino_set_corrupt(sc, sc->ip->i_ino);
+	}
+
+	return 0;
+}
+
+/* Check parent pointers of a file. */
+STATIC int
+xchk_parent_pptr(
+	struct xfs_scrub	*sc)
+{
+	struct xchk_pptrs	*pp;
+	int			error;
+
+	pp = kvzalloc(sizeof(struct xchk_pptrs), XCHK_GFP_FLAGS);
+	if (!pp)
+		return -ENOMEM;
+	pp->sc = sc;
+
+	error = xchk_xattr_walk(sc, sc->ip, xchk_parent_scan_attr, pp);
+	if (error == -ECANCELED) {
+		error = 0;
+		goto out_pp;
+	}
+	if (error)
+		goto out_pp;
+
+	if (pp->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+		goto out_pp;
+
+	/*
+	 * For subdirectories, make sure the dotdot entry references the same
+	 * inode as the parent pointers.
+	 *
+	 * If we're scanning a /consistent/ directory, there should only be
+	 * one parent pointer, and it should point to the same directory as
+	 * the dotdot entry.
+	 *
+	 * However, a corrupt directory tree might feature a subdirectory with
+	 * multiple parents.  The directory loop scanner is responsible for
+	 * correcting that kind of problem, so for now we only validate that
+	 * the dotdot entry matches /one/ of the parents.
+	 */
+	if (S_ISDIR(VFS_I(sc->ip)->i_mode)) {
+		error = xchk_parent_pptr_and_dotdot(pp);
+		if (error)
+			goto out_pp;
+	}
+
+	if (pp->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+		goto out_pp;
+
+	/*
+	 * Complain if the number of parent pointers doesn't match the link
+	 * count.  This could be a sign of missing parent pointers (or an
+	 * incorrect link count).
+	 */
+	error = xchk_parent_count_pptrs(pp);
+	if (error)
+		goto out_pp;
+
+out_pp:
+	kvfree(pp);
+	return error;
+}
+
 /* Scrub a parent pointer. */
 int
 xchk_parent(
@@ -206,6 +574,9 @@ xchk_parent(
 	xfs_ino_t		parent_ino;
 	int			error = 0;
 
+	if (xfs_has_parent(mp))
+		return xchk_parent_pptr(sc);
+
 	/*
 	 * If we're a directory, check that the '..' link points up to
 	 * a directory that has one entry pointing to us.


  parent reply	other threads:[~2024-04-16  1:35 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-16  1:16 [PATCHBOMB v13.2] xfs: directory parent pointers Darrick J. Wong
2024-04-16  1:19 ` [PATCHSET v13.2 1/7] xfs: shrink struct xfs_da_args Darrick J. Wong
2024-04-16  1:21   ` [PATCH 1/5] xfs: remove XFS_DA_OP_REMOVE Darrick J. Wong
2024-04-16  1:21   ` [PATCH 2/5] xfs: remove XFS_DA_OP_NOTIME Darrick J. Wong
2024-04-16  1:21   ` [PATCH 3/5] xfs: remove xfs_da_args.attr_flags Darrick J. Wong
2024-04-16  5:07     ` Christoph Hellwig
2024-04-16  1:22   ` [PATCH 4/5] xfs: make attr removal an explicit operation Darrick J. Wong
2024-04-16  5:12     ` Christoph Hellwig
2024-04-16 17:31       ` Darrick J. Wong
2024-04-16  1:22   ` [PATCH 5/5] xfs: rearrange xfs_da_args a bit to use less space Darrick J. Wong
2024-04-16  5:13     ` Christoph Hellwig
2024-04-16  1:19 ` [PATCHSET v13.2 2/7] xfs: improve extended attribute validation Darrick J. Wong
2024-04-16  1:22   ` [PATCH 01/14] xfs: attr fork iext must be loaded before calling xfs_attr_is_leaf Darrick J. Wong
2024-04-16  1:22   ` [PATCH 02/14] xfs: require XFS_SB_FEAT_INCOMPAT_LOG_XATTRS for attr log intent item recovery Darrick J. Wong
2024-04-16  1:23   ` [PATCH 03/14] xfs: use an XFS_OPSTATE_ flag for detecting if logged xattrs are available Darrick J. Wong
2024-04-16  1:23   ` [PATCH 04/14] xfs: check opcode and iovec count match in xlog_recover_attri_commit_pass2 Darrick J. Wong
2024-04-16  1:23   ` [PATCH 05/14] xfs: fix missing check for invalid attr flags Darrick J. Wong
2024-04-16  1:23   ` [PATCH 06/14] xfs: check shortform attr entry flags specifically Darrick J. Wong
2024-04-16  5:13     ` Christoph Hellwig
2024-04-16  1:24   ` [PATCH 07/14] xfs: restructure xfs_attr_complete_op a bit Darrick J. Wong
2024-04-16  1:24   ` [PATCH 08/14] xfs: use helpers to extract xattr op from opflags Darrick J. Wong
2024-04-16  1:24   ` [PATCH 09/14] xfs: validate recovered name buffers when recovering xattr items Darrick J. Wong
2024-04-16  1:24   ` [PATCH 10/14] xfs: always set args->value in xfs_attri_item_recover Darrick J. Wong
2024-04-16  1:25   ` [PATCH 11/14] xfs: use local variables for name and value length in _attri_commit_pass2 Darrick J. Wong
2024-04-16  1:25   ` [PATCH 12/14] xfs: refactor name/length checks in xfs_attri_validate Darrick J. Wong
2024-04-16  1:25   ` [PATCH 13/14] xfs: refactor name/value iovec validation in xlog_recover_attri_commit_pass2 Darrick J. Wong
2024-04-16  5:15     ` Christoph Hellwig
2024-04-16  1:26   ` [PATCH 14/14] xfs: enforce one namespace per attribute Darrick J. Wong
2024-04-16  1:20 ` [PATCHSET v13.2 3/7] xfs: Parent Pointers Darrick J. Wong
2024-04-16  1:26   ` [PATCH 01/31] xfs: rearrange xfs_attr_match parameters Darrick J. Wong
2024-04-16  1:26   ` [PATCH 02/31] xfs: check the flags earlier in xfs_attr_match Darrick J. Wong
2024-04-16  1:26   ` [PATCH 03/31] xfs: move xfs_attr_defer_add to xfs_attr_item.c Darrick J. Wong
2024-04-16  1:27   ` [PATCH 04/31] xfs: create a separate hashname function for extended attributes Darrick J. Wong
2024-04-16  1:27   ` [PATCH 05/31] xfs: add parent pointer support to attribute code Darrick J. Wong
2024-04-16  1:27   ` [PATCH 06/31] xfs: define parent pointer ondisk extended attribute format Darrick J. Wong
2024-04-16  1:27   ` [PATCH 07/31] xfs: allow xattr matching on name and value for parent pointers Darrick J. Wong
2024-04-16  1:28   ` [PATCH 08/31] xfs: refactor xfs_is_using_logged_xattrs checks in attr item recovery Darrick J. Wong
2024-04-16  5:15     ` Christoph Hellwig
2024-04-16  1:28   ` [PATCH 09/31] xfs: create attr log item opcodes and formats for parent pointers Darrick J. Wong
2024-04-16  5:16     ` Christoph Hellwig
2024-04-17  2:52     ` [PATCH v13.2.1 " Darrick J. Wong
2024-04-16  1:28   ` [PATCH 10/31] xfs: record inode generation in xattr update log intent items Darrick J. Wong
2024-04-16  5:17     ` Christoph Hellwig
2024-04-16  1:28   ` [PATCH 11/31] xfs: Expose init_xattrs in xfs_create_tmpfile Darrick J. Wong
2024-04-16  1:29   ` [PATCH 12/31] xfs: add parent pointer validator functions Darrick J. Wong
2024-04-16  1:29   ` [PATCH 13/31] xfs: extend transaction reservations for parent attributes Darrick J. Wong
2024-04-16  1:29   ` [PATCH 14/31] xfs: create a hashname function for parent pointers Darrick J. Wong
2024-04-16  1:29   ` [PATCH 15/31] xfs: parent pointer attribute creation Darrick J. Wong
2024-04-16  1:30   ` [PATCH 16/31] xfs: add parent attributes to link Darrick J. Wong
2024-04-16  1:30   ` [PATCH 17/31] xfs: add parent attributes to symlink Darrick J. Wong
2024-04-16  1:30   ` [PATCH 18/31] xfs: remove parent pointers in unlink Darrick J. Wong
2024-04-16  1:30   ` [PATCH 19/31] xfs: Add parent pointers to rename Darrick J. Wong
2024-04-16  1:31   ` [PATCH 20/31] xfs: Add parent pointers to xfs_cross_rename Darrick J. Wong
2024-04-16  1:31   ` [PATCH 21/31] xfs: don't return XFS_ATTR_PARENT attributes via listxattr Darrick J. Wong
2024-04-16  5:17     ` Christoph Hellwig
2024-04-16  1:31   ` [PATCH 22/31] xfs: pass the attr value to put_listent when possible Darrick J. Wong
2024-04-16  1:32   ` [PATCH 23/31] xfs: move handle ioctl code to xfs_handle.c Darrick J. Wong
2024-04-16  1:32   ` [PATCH 24/31] xfs: split out handle management helpers a bit Darrick J. Wong
2024-04-16  1:32   ` [PATCH 25/31] xfs: actually check the fsid of a handle Darrick J. Wong
2024-04-16  5:19     ` Christoph Hellwig
2024-04-16 17:44       ` Darrick J. Wong
2024-04-16  1:32   ` [PATCH 26/31] xfs: add parent pointer ioctls Darrick J. Wong
2024-04-16  5:21     ` Christoph Hellwig
2024-04-16 17:59       ` Darrick J. Wong
2024-04-16 18:08         ` Christoph Hellwig
2024-04-16 18:12           ` Darrick J. Wong
2024-04-16 18:50             ` Christoph Hellwig
2024-04-17  2:49     ` [PATCH v13.2.1 " Darrick J. Wong
2024-04-17 22:25       ` Darrick J. Wong
2024-04-18  4:21         ` Christoph Hellwig
2024-04-18 16:49           ` Darrick J. Wong
2024-04-16  1:33   ` [PATCH 27/31] xfs: don't remove the attr fork when parent pointers are enabled Darrick J. Wong
2024-04-16  1:33   ` [PATCH 28/31] xfs: add a incompat feature bit for parent pointers Darrick J. Wong
2024-04-16  1:33   ` [PATCH 29/31] xfs: fix unit conversion error in xfs_log_calc_max_attrsetm_res Darrick J. Wong
2024-04-16  1:33   ` [PATCH 30/31] xfs: drop compatibility minimum log size computations for reflink Darrick J. Wong
2024-04-16  1:34   ` [PATCH 31/31] xfs: enable parent pointers Darrick J. Wong
2024-04-16  1:20 ` [PATCHSET v13.2 4/7] xfs: scrubbing for " Darrick J. Wong
2024-04-16  1:34   ` [PATCH 1/7] xfs: revert commit 44af6c7e59b12 Darrick J. Wong
2024-04-16  5:23     ` Christoph Hellwig
2024-04-16  1:34   ` [PATCH 2/7] xfs: check dirents have parent pointers Darrick J. Wong
2024-04-16  1:34   ` [PATCH 3/7] xfs: deferred scrub of dirents Darrick J. Wong
2024-04-16  1:35   ` Darrick J. Wong [this message]
2024-04-16  1:35   ` [PATCH 5/7] xfs: deferred scrub of parent pointers Darrick J. Wong
2024-04-16  1:35   ` [PATCH 6/7] xfs: walk directory parent pointers to determine backref count Darrick J. Wong
2024-04-16  1:35   ` [PATCH 7/7] xfs: check parent pointer xattrs when scrubbing Darrick J. Wong
2024-04-16  1:20 ` [PATCHSET v13.2 5/7] xfs: online repair for parent pointers Darrick J. Wong
2024-04-16  1:36   ` [PATCH 01/17] xfs: remove some boilerplate from xfs_attr_set Darrick J. Wong
2024-04-16  5:26     ` Christoph Hellwig
2024-04-16 18:15       ` Darrick J. Wong
2024-04-16  1:36   ` [PATCH 02/17] xfs: make the reserved block permission flag explicit in xfs_attr_set Darrick J. Wong
2024-04-16  5:26     ` Christoph Hellwig
2024-04-16  1:36   ` [PATCH 03/17] xfs: use xfs_attr_defer_parent for calling xfs_attr_set on pptrs Darrick J. Wong
2024-04-16  5:29     ` Christoph Hellwig
2024-04-16 16:05       ` Darrick J. Wong
2024-04-16 16:28         ` Christoph Hellwig
2024-04-16 18:41           ` Darrick J. Wong
2024-04-16 18:51             ` Christoph Hellwig
2024-04-17  2:54               ` Darrick J. Wong
2024-04-17  5:00                 ` Christoph Hellwig
2024-04-16  1:36   ` [PATCH 04/17] xfs: salvage parent pointers when rebuilding xattr structures Darrick J. Wong
2024-04-16  1:37   ` [PATCH 05/17] xfs: add raw parent pointer apis to support repair Darrick J. Wong
2024-04-16  1:37   ` [PATCH 06/17] xfs: repair directories by scanning directory parent pointers Darrick J. Wong
2024-04-16  1:37   ` [PATCH 07/17] xfs: implement live updates for directory repairs Darrick J. Wong
2024-04-16  1:38   ` [PATCH 08/17] xfs: replay unlocked parent pointer updates that accrue during xattr repair Darrick J. Wong
2024-04-16  1:38   ` [PATCH 09/17] xfs: repair directory parent pointers by scanning for dirents Darrick J. Wong
2024-04-16  1:38   ` [PATCH 10/17] xfs: implement live updates for parent pointer repairs Darrick J. Wong
2024-04-16  1:38   ` [PATCH 11/17] xfs: remove pointless unlocked assertion Darrick J. Wong
2024-04-16  1:39   ` [PATCH 12/17] xfs: split xfs_bmap_add_attrfork into two pieces Darrick J. Wong
2024-04-16  1:39   ` [PATCH 13/17] xfs: add a per-leaf block callback to xchk_xattr_walk Darrick J. Wong
2024-04-16  1:39   ` [PATCH 14/17] xfs: actually rebuild the parent pointer xattrs Darrick J. Wong
2024-04-16  1:39   ` [PATCH 15/17] xfs: adapt the orphanage code to handle parent pointers Darrick J. Wong
2024-04-16  1:40   ` [PATCH 16/17] xfs: repair link count of nondirectories after rebuilding " Darrick J. Wong
2024-04-16  1:40   ` [PATCH 17/17] xfs: inode repair should ensure there's an attr fork to store " Darrick J. Wong
2024-04-16  1:20 ` [PATCHSET v13.2 6/7] xfs: detect and correct directory tree problems Darrick J. Wong
2024-04-16  1:40   ` [PATCH 1/4] xfs: teach online scrub to find directory tree structure problems Darrick J. Wong
2024-04-16  1:40   ` [PATCH 2/4] xfs: invalidate dirloop scrub path data when concurrent updates happen Darrick J. Wong
2024-04-16  1:41   ` [PATCH 3/4] xfs: report directory tree corruption in the health information Darrick J. Wong
2024-04-16  1:41   ` [PATCH 4/4] xfs: fix corruptions in the directory tree Darrick J. Wong
2024-04-16  1:21 ` [PATCHSET v13.2 7/7] xfs: vectorize scrub kernel calls Darrick J. Wong
2024-04-16  1:41   ` [PATCH 1/4] xfs: reduce the rate of cond_resched calls inside scrub Darrick J. Wong
2024-04-16  1:41   ` [PATCH 2/4] xfs: move xfs_ioc_scrub_metadata to scrub.c Darrick J. Wong
2024-04-16  5:31     ` Christoph Hellwig
2024-04-16  1:42   ` [PATCH 3/4] xfs: introduce vectored scrub mode Darrick J. Wong
2024-04-16  5:33     ` Christoph Hellwig
2024-04-16 18:46       ` Darrick J. Wong
2024-04-16 18:56         ` Christoph Hellwig
2024-04-16 19:06           ` Darrick J. Wong
2024-04-17  2:55     ` [PATCH v13.2.1 " Darrick J. Wong
2024-04-16  1:42   ` [PATCH 4/4] xfs: only iget the file once when doing vectored scrub-by-handle Darrick J. Wong
2024-04-16  5:35     ` Christoph Hellwig
2024-04-16 22:31       ` Darrick J. Wong
2024-04-16 22:51         ` Darrick J. Wong
2024-04-17  5:02           ` Christoph Hellwig
2024-04-17  5:01         ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2024-04-24  3:06 [PATCHSET v13.4 4/9] xfs: scrubbing for parent pointers Darrick J. Wong
2024-04-24  3:21 ` [PATCH 4/7] xfs: scrub " 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=171323028732.252774.10690588630559570573.stgit@frogsfrogsfrogs \
    --to=djwong@kernel.org \
    --cc=allison.henderson@oracle.com \
    --cc=catherine.hoang@oracle.com \
    --cc=hch@infradead.org \
    --cc=hch@lst.de \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).