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-rw-r--r--fs/xfs/scrub/agheader.c33
-rw-r--r--fs/xfs/scrub/alloc.c5
-rw-r--r--fs/xfs/scrub/attr.c5
-rw-r--r--fs/xfs/scrub/bitmap.c4
-rw-r--r--fs/xfs/scrub/bmap.c20
-rw-r--r--fs/xfs/scrub/btree.c30
-rw-r--r--fs/xfs/scrub/common.c38
-rw-r--r--fs/xfs/scrub/common.h58
-rw-r--r--fs/xfs/scrub/dir.c20
-rw-r--r--fs/xfs/scrub/fscounters.c3
-rw-r--r--fs/xfs/scrub/health.c3
-rw-r--r--fs/xfs/scrub/ialloc.c8
-rw-r--r--fs/xfs/scrub/inode.c5
-rw-r--r--fs/xfs/scrub/parent.c7
-rw-r--r--fs/xfs/scrub/quota.c11
-rw-r--r--fs/xfs/scrub/refcount.c5
-rw-r--r--fs/xfs/scrub/repair.c11
-rw-r--r--fs/xfs/scrub/repair.h6
-rw-r--r--fs/xfs/scrub/rmap.c5
-rw-r--r--fs/xfs/scrub/rtbitmap.c7
-rw-r--r--fs/xfs/scrub/scrub.c42
-rw-r--r--fs/xfs/scrub/scrub.h14
-rw-r--r--fs/xfs/scrub/symlink.c9
-rw-r--r--fs/xfs/scrub/xfs_scrub.h4
24 files changed, 169 insertions, 184 deletions
diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c
index ae8e2e0ac64a..749faa17f8e2 100644
--- a/fs/xfs/scrub/agheader.c
+++ b/fs/xfs/scrub/agheader.c
@@ -477,16 +477,13 @@ xchk_agf_xref(
{
struct xfs_mount *mp = sc->mp;
xfs_agblock_t agbno;
- int error;
if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
return;
agbno = XFS_AGF_BLOCK(mp);
- error = xchk_ag_btcur_init(sc, &sc->sa);
- if (error)
- return;
+ xchk_ag_btcur_init(sc, &sc->sa);
xchk_xref_is_used_space(sc, agbno, 1);
xchk_agf_xref_freeblks(sc);
@@ -508,7 +505,7 @@ xchk_agf(
struct xfs_mount *mp = sc->mp;
struct xfs_agf *agf;
struct xfs_perag *pag;
- xfs_agnumber_t agno;
+ xfs_agnumber_t agno = sc->sm->sm_agno;
xfs_agblock_t agbno;
xfs_agblock_t eoag;
xfs_agblock_t agfl_first;
@@ -518,9 +515,7 @@ xchk_agf(
int level;
int error = 0;
- agno = sc->sa.agno = sc->sm->sm_agno;
- error = xchk_ag_read_headers(sc, agno, &sc->sa.agi_bp,
- &sc->sa.agf_bp, &sc->sa.agfl_bp);
+ error = xchk_ag_read_headers(sc, agno, &sc->sa);
if (!xchk_process_error(sc, agno, XFS_AGF_BLOCK(sc->mp), &error))
goto out;
xchk_buffer_recheck(sc, sc->sa.agf_bp);
@@ -662,16 +657,13 @@ xchk_agfl_xref(
{
struct xfs_mount *mp = sc->mp;
xfs_agblock_t agbno;
- int error;
if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
return;
agbno = XFS_AGFL_BLOCK(mp);
- error = xchk_ag_btcur_init(sc, &sc->sa);
- if (error)
- return;
+ xchk_ag_btcur_init(sc, &sc->sa);
xchk_xref_is_used_space(sc, agbno, 1);
xchk_xref_is_not_inode_chunk(sc, agbno, 1);
@@ -691,14 +683,12 @@ xchk_agfl(
{
struct xchk_agfl_info sai;
struct xfs_agf *agf;
- xfs_agnumber_t agno;
+ xfs_agnumber_t agno = sc->sm->sm_agno;
unsigned int agflcount;
unsigned int i;
int error;
- agno = sc->sa.agno = sc->sm->sm_agno;
- error = xchk_ag_read_headers(sc, agno, &sc->sa.agi_bp,
- &sc->sa.agf_bp, &sc->sa.agfl_bp);
+ error = xchk_ag_read_headers(sc, agno, &sc->sa);
if (!xchk_process_error(sc, agno, XFS_AGFL_BLOCK(sc->mp), &error))
goto out;
if (!sc->sa.agf_bp)
@@ -817,16 +807,13 @@ xchk_agi_xref(
{
struct xfs_mount *mp = sc->mp;
xfs_agblock_t agbno;
- int error;
if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
return;
agbno = XFS_AGI_BLOCK(mp);
- error = xchk_ag_btcur_init(sc, &sc->sa);
- if (error)
- return;
+ xchk_ag_btcur_init(sc, &sc->sa);
xchk_xref_is_used_space(sc, agbno, 1);
xchk_xref_is_not_inode_chunk(sc, agbno, 1);
@@ -846,7 +833,7 @@ xchk_agi(
struct xfs_mount *mp = sc->mp;
struct xfs_agi *agi;
struct xfs_perag *pag;
- xfs_agnumber_t agno;
+ xfs_agnumber_t agno = sc->sm->sm_agno;
xfs_agblock_t agbno;
xfs_agblock_t eoag;
xfs_agino_t agino;
@@ -857,9 +844,7 @@ xchk_agi(
int level;
int error = 0;
- agno = sc->sa.agno = sc->sm->sm_agno;
- error = xchk_ag_read_headers(sc, agno, &sc->sa.agi_bp,
- &sc->sa.agf_bp, &sc->sa.agfl_bp);
+ error = xchk_ag_read_headers(sc, agno, &sc->sa);
if (!xchk_process_error(sc, agno, XFS_AGI_BLOCK(sc->mp), &error))
goto out;
xchk_buffer_recheck(sc, sc->sa.agi_bp);
diff --git a/fs/xfs/scrub/alloc.c b/fs/xfs/scrub/alloc.c
index 73d924e47565..2720bd7fe53b 100644
--- a/fs/xfs/scrub/alloc.c
+++ b/fs/xfs/scrub/alloc.c
@@ -21,10 +21,9 @@
*/
int
xchk_setup_ag_allocbt(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
- return xchk_setup_ag_btree(sc, ip, false);
+ return xchk_setup_ag_btree(sc, false);
}
/* Free space btree scrubber. */
diff --git a/fs/xfs/scrub/attr.c b/fs/xfs/scrub/attr.c
index 9faddb334a2c..552af0cf8482 100644
--- a/fs/xfs/scrub/attr.c
+++ b/fs/xfs/scrub/attr.c
@@ -69,8 +69,7 @@ xchk_setup_xattr_buf(
/* Set us up to scrub an inode's extended attributes. */
int
xchk_setup_xattr(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
int error;
@@ -85,7 +84,7 @@ xchk_setup_xattr(
return error;
}
- return xchk_setup_inode_contents(sc, ip, 0);
+ return xchk_setup_inode_contents(sc, 0);
}
/* Extended Attributes */
diff --git a/fs/xfs/scrub/bitmap.c b/fs/xfs/scrub/bitmap.c
index f88694f22d05..813b5f219113 100644
--- a/fs/xfs/scrub/bitmap.c
+++ b/fs/xfs/scrub/bitmap.c
@@ -63,8 +63,8 @@ xbitmap_init(
static int
xbitmap_range_cmp(
void *priv,
- struct list_head *a,
- struct list_head *b)
+ const struct list_head *a,
+ const struct list_head *b)
{
struct xbitmap_range *ap;
struct xbitmap_range *bp;
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index 33559c3a4bc3..b5ebf1d1b4db 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -26,12 +26,11 @@
/* Set us up with an inode's bmap. */
int
xchk_setup_inode_bmap(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
int error;
- error = xchk_get_inode(sc, ip);
+ error = xchk_get_inode(sc);
if (error)
goto out;
@@ -448,12 +447,11 @@ xchk_bmap_btree(
int error;
/* Load the incore bmap cache if it's not loaded. */
- info->was_loaded = ifp->if_flags & XFS_IFEXTENTS;
- if (!info->was_loaded) {
- error = xfs_iread_extents(sc->tp, ip, whichfork);
- if (!xchk_fblock_process_error(sc, whichfork, 0, &error))
- goto out;
- }
+ info->was_loaded = !xfs_need_iread_extents(ifp);
+
+ error = xfs_iread_extents(sc->tp, ip, whichfork);
+ if (!xchk_fblock_process_error(sc, whichfork, 0, &error))
+ goto out;
/* Check the btree structure. */
cur = xfs_bmbt_init_cursor(mp, sc->tp, ip, whichfork);
@@ -675,10 +673,6 @@ xchk_bmap(
/* No mappings to check. */
goto out;
case XFS_DINODE_FMT_EXTENTS:
- if (!(ifp->if_flags & XFS_IFEXTENTS)) {
- xchk_fblock_set_corrupt(sc, whichfork, 0);
- goto out;
- }
break;
case XFS_DINODE_FMT_BTREE:
if (whichfork == XFS_COW_FORK) {
diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c
index debf392e0515..a94bd8122c60 100644
--- a/fs/xfs/scrub/btree.c
+++ b/fs/xfs/scrub/btree.c
@@ -9,6 +9,7 @@
#include "xfs_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
+#include "xfs_inode.h"
#include "xfs_btree.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
@@ -442,6 +443,30 @@ xchk_btree_check_owner(
return xchk_btree_check_block_owner(bs, level, XFS_BUF_ADDR(bp));
}
+/* Decide if we want to check minrecs of a btree block in the inode root. */
+static inline bool
+xchk_btree_check_iroot_minrecs(
+ struct xchk_btree *bs)
+{
+ /*
+ * xfs_bmap_add_attrfork_btree had an implementation bug wherein it
+ * would miscalculate the space required for the data fork bmbt root
+ * when adding an attr fork, and promote the iroot contents to an
+ * external block unnecessarily. This went unnoticed for many years
+ * until scrub found filesystems in this state. Inode rooted btrees are
+ * not supposed to have immediate child blocks that are small enough
+ * that the contents could fit in the inode root, but we can't fail
+ * existing filesystems, so instead we disable the check for data fork
+ * bmap btrees when there's an attr fork.
+ */
+ if (bs->cur->bc_btnum == XFS_BTNUM_BMAP &&
+ bs->cur->bc_ino.whichfork == XFS_DATA_FORK &&
+ XFS_IFORK_Q(bs->sc->ip))
+ return false;
+
+ return true;
+}
+
/*
* Check that this btree block has at least minrecs records or is one of the
* special blocks that don't require that.
@@ -475,8 +500,9 @@ xchk_btree_check_minrecs(
root_block = xfs_btree_get_block(cur, root_level, &root_bp);
root_maxrecs = cur->bc_ops->get_dmaxrecs(cur, root_level);
- if (be16_to_cpu(root_block->bb_numrecs) != 1 ||
- numrecs <= root_maxrecs)
+ if (xchk_btree_check_iroot_minrecs(bs) &&
+ (be16_to_cpu(root_block->bb_numrecs) != 1 ||
+ numrecs <= root_maxrecs))
xchk_btree_set_corrupt(bs->sc, cur, level);
return;
}
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index 53456f3de881..aa874607618a 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -402,22 +402,22 @@ int
xchk_ag_read_headers(
struct xfs_scrub *sc,
xfs_agnumber_t agno,
- struct xfs_buf **agi,
- struct xfs_buf **agf,
- struct xfs_buf **agfl)
+ struct xchk_ag *sa)
{
struct xfs_mount *mp = sc->mp;
int error;
- error = xfs_ialloc_read_agi(mp, sc->tp, agno, agi);
+ sa->agno = agno;
+
+ error = xfs_ialloc_read_agi(mp, sc->tp, agno, &sa->agi_bp);
if (error && want_ag_read_header_failure(sc, XFS_SCRUB_TYPE_AGI))
goto out;
- error = xfs_alloc_read_agf(mp, sc->tp, agno, 0, agf);
+ error = xfs_alloc_read_agf(mp, sc->tp, agno, 0, &sa->agf_bp);
if (error && want_ag_read_header_failure(sc, XFS_SCRUB_TYPE_AGF))
goto out;
- error = xfs_alloc_read_agfl(mp, sc->tp, agno, agfl);
+ error = xfs_alloc_read_agfl(mp, sc->tp, agno, &sa->agfl_bp);
if (error && want_ag_read_header_failure(sc, XFS_SCRUB_TYPE_AGFL))
goto out;
error = 0;
@@ -452,7 +452,7 @@ xchk_ag_btcur_free(
}
/* Initialize all the btree cursors for an AG. */
-int
+void
xchk_ag_btcur_init(
struct xfs_scrub *sc,
struct xchk_ag *sa)
@@ -502,8 +502,6 @@ xchk_ag_btcur_init(
sa->refc_cur = xfs_refcountbt_init_cursor(mp, sc->tp,
sa->agf_bp, agno);
}
-
- return 0;
}
/* Release the AG header context and btree cursors. */
@@ -547,13 +545,12 @@ xchk_ag_init(
{
int error;
- sa->agno = agno;
- error = xchk_ag_read_headers(sc, agno, &sa->agi_bp,
- &sa->agf_bp, &sa->agfl_bp);
+ error = xchk_ag_read_headers(sc, agno, sa);
if (error)
return error;
- return xchk_ag_btcur_init(sc, sa);
+ xchk_ag_btcur_init(sc, sa);
+ return 0;
}
/*
@@ -596,8 +593,7 @@ xchk_trans_alloc(
/* Set us up with a transaction and an empty context. */
int
xchk_setup_fs(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
uint resblks;
@@ -609,7 +605,6 @@ xchk_setup_fs(
int
xchk_setup_ag_btree(
struct xfs_scrub *sc,
- struct xfs_inode *ip,
bool force_log)
{
struct xfs_mount *mp = sc->mp;
@@ -627,7 +622,7 @@ xchk_setup_ag_btree(
return error;
}
- error = xchk_setup_fs(sc, ip);
+ error = xchk_setup_fs(sc);
if (error)
return error;
@@ -655,11 +650,11 @@ xchk_checkpoint_log(
*/
int
xchk_get_inode(
- struct xfs_scrub *sc,
- struct xfs_inode *ip_in)
+ struct xfs_scrub *sc)
{
struct xfs_imap imap;
struct xfs_mount *mp = sc->mp;
+ struct xfs_inode *ip_in = XFS_I(file_inode(sc->file));
struct xfs_inode *ip = NULL;
int error;
@@ -720,12 +715,11 @@ xchk_get_inode(
int
xchk_setup_inode_contents(
struct xfs_scrub *sc,
- struct xfs_inode *ip,
unsigned int resblks)
{
int error;
- error = xchk_get_inode(sc, ip);
+ error = xchk_get_inode(sc);
if (error)
return error;
@@ -821,7 +815,7 @@ xchk_metadata_inode_forks(
return 0;
/* Metadata inodes don't live on the rt device. */
- if (sc->ip->i_d.di_flags & XFS_DIFLAG_REALTIME) {
+ if (sc->ip->i_diflags & XFS_DIFLAG_REALTIME) {
xchk_ino_set_corrupt(sc, sc->ip->i_ino);
return 0;
}
diff --git a/fs/xfs/scrub/common.h b/fs/xfs/scrub/common.h
index 2e50d146105d..0410faf7d735 100644
--- a/fs/xfs/scrub/common.h
+++ b/fs/xfs/scrub/common.h
@@ -72,66 +72,52 @@ bool xchk_should_check_xref(struct xfs_scrub *sc, int *error,
struct xfs_btree_cur **curpp);
/* Setup functions */
-int xchk_setup_fs(struct xfs_scrub *sc, struct xfs_inode *ip);
-int xchk_setup_ag_allocbt(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_ag_iallocbt(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_ag_rmapbt(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_ag_refcountbt(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_inode(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_inode_bmap(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_inode_bmap_data(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_directory(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_xattr(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_symlink(struct xfs_scrub *sc,
- struct xfs_inode *ip);
-int xchk_setup_parent(struct xfs_scrub *sc,
- struct xfs_inode *ip);
+int xchk_setup_fs(struct xfs_scrub *sc);
+int xchk_setup_ag_allocbt(struct xfs_scrub *sc);
+int xchk_setup_ag_iallocbt(struct xfs_scrub *sc);
+int xchk_setup_ag_rmapbt(struct xfs_scrub *sc);
+int xchk_setup_ag_refcountbt(struct xfs_scrub *sc);
+int xchk_setup_inode(struct xfs_scrub *sc);
+int xchk_setup_inode_bmap(struct xfs_scrub *sc);
+int xchk_setup_inode_bmap_data(struct xfs_scrub *sc);
+int xchk_setup_directory(struct xfs_scrub *sc);
+int xchk_setup_xattr(struct xfs_scrub *sc);
+int xchk_setup_symlink(struct xfs_scrub *sc);
+int xchk_setup_parent(struct xfs_scrub *sc);
#ifdef CONFIG_XFS_RT
-int xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip);
+int xchk_setup_rt(struct xfs_scrub *sc);
#else
static inline int
-xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip)
+xchk_setup_rt(struct xfs_scrub *sc)
{
return -ENOENT;
}
#endif
#ifdef CONFIG_XFS_QUOTA
-int xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip);
+int xchk_setup_quota(struct xfs_scrub *sc);
#else
static inline int
-xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip)
+xchk_setup_quota(struct xfs_scrub *sc)
{
return -ENOENT;
}
#endif
-int xchk_setup_fscounters(struct xfs_scrub *sc, struct xfs_inode *ip);
+int xchk_setup_fscounters(struct xfs_scrub *sc);
void xchk_ag_free(struct xfs_scrub *sc, struct xchk_ag *sa);
int xchk_ag_init(struct xfs_scrub *sc, xfs_agnumber_t agno,
struct xchk_ag *sa);
void xchk_perag_get(struct xfs_mount *mp, struct xchk_ag *sa);
int xchk_ag_read_headers(struct xfs_scrub *sc, xfs_agnumber_t agno,
- struct xfs_buf **agi, struct xfs_buf **agf,
- struct xfs_buf **agfl);
+ struct xchk_ag *sa);
void xchk_ag_btcur_free(struct xchk_ag *sa);
-int xchk_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa);
+void xchk_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa);
int xchk_count_rmap_ownedby_ag(struct xfs_scrub *sc, struct xfs_btree_cur *cur,
const struct xfs_owner_info *oinfo, xfs_filblks_t *blocks);
-int xchk_setup_ag_btree(struct xfs_scrub *sc, struct xfs_inode *ip,
- bool force_log);
-int xchk_get_inode(struct xfs_scrub *sc, struct xfs_inode *ip_in);
-int xchk_setup_inode_contents(struct xfs_scrub *sc, struct xfs_inode *ip,
- unsigned int resblks);
+int xchk_setup_ag_btree(struct xfs_scrub *sc, bool force_log);
+int xchk_get_inode(struct xfs_scrub *sc);
+int xchk_setup_inode_contents(struct xfs_scrub *sc, unsigned int resblks);
void xchk_buffer_recheck(struct xfs_scrub *sc, struct xfs_buf *bp);
/*
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c
index 178b3455a170..28dda391d5df 100644
--- a/fs/xfs/scrub/dir.c
+++ b/fs/xfs/scrub/dir.c
@@ -22,10 +22,9 @@
/* Set us up to scrub directories. */
int
xchk_setup_directory(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
- return xchk_setup_inode_contents(sc, ip, 0);
+ return xchk_setup_inode_contents(sc, 0);
}
/* Directories */
@@ -538,7 +537,7 @@ xchk_directory_leaf1_bestfree(
* There should be as many bestfree slots as there are dir data
* blocks that can fit under i_size.
*/
- if (bestcount != xfs_dir2_byte_to_db(geo, sc->ip->i_d.di_size)) {
+ if (bestcount != xfs_dir2_byte_to_db(geo, sc->ip->i_disk_size)) {
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
goto out;
}
@@ -694,15 +693,6 @@ xchk_directory_blocks(
/* Iterate all the data extents in the directory... */
found = xfs_iext_lookup_extent(sc->ip, ifp, lblk, &icur, &got);
while (found && !(sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) {
- /* Block directories only have a single block at offset 0. */
- if (is_block &&
- (got.br_startoff > 0 ||
- got.br_blockcount != args.geo->fsbcount)) {
- xchk_fblock_set_corrupt(sc, XFS_DATA_FORK,
- got.br_startoff);
- break;
- }
-
/* No more data blocks... */
if (got.br_startoff >= leaf_lblk)
break;
@@ -817,7 +807,7 @@ xchk_directory(
return -ENOENT;
/* Plausible size? */
- if (sc->ip->i_d.di_size < xfs_dir2_sf_hdr_size(0)) {
+ if (sc->ip->i_disk_size < xfs_dir2_sf_hdr_size(0)) {
xchk_ino_set_corrupt(sc, sc->ip->i_ino);
goto out;
}
@@ -843,7 +833,7 @@ xchk_directory(
* Userspace usually asks for a 32k buffer, so we will too.
*/
bufsize = (size_t)min_t(loff_t, XFS_READDIR_BUFSIZE,
- sc->ip->i_d.di_size);
+ sc->ip->i_disk_size);
/*
* Look up every name in this directory by hash.
diff --git a/fs/xfs/scrub/fscounters.c b/fs/xfs/scrub/fscounters.c
index ec2064ed3c30..7b4386c78fbf 100644
--- a/fs/xfs/scrub/fscounters.c
+++ b/fs/xfs/scrub/fscounters.c
@@ -116,8 +116,7 @@ next_loop_perag:
int
xchk_setup_fscounters(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
struct xchk_fscounters *fsc;
int error;
diff --git a/fs/xfs/scrub/health.c b/fs/xfs/scrub/health.c
index 83d27cdf579b..3de59b5c2ce6 100644
--- a/fs/xfs/scrub/health.c
+++ b/fs/xfs/scrub/health.c
@@ -133,7 +133,8 @@ xchk_update_health(
if (!sc->sick_mask)
return;
- bad = (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT);
+ bad = (sc->sm->sm_flags & (XFS_SCRUB_OFLAG_CORRUPT |
+ XFS_SCRUB_OFLAG_XCORRUPT));
switch (type_to_health_flag[sc->sm->sm_type].group) {
case XHG_AG:
pag = xfs_perag_get(sc->mp, sc->sm->sm_agno);
diff --git a/fs/xfs/scrub/ialloc.c b/fs/xfs/scrub/ialloc.c
index 6517d67e8d51..8d9f3fb0cd22 100644
--- a/fs/xfs/scrub/ialloc.c
+++ b/fs/xfs/scrub/ialloc.c
@@ -29,10 +29,9 @@
*/
int
xchk_setup_ag_iallocbt(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
- return xchk_setup_ag_btree(sc, ip, sc->flags & XCHK_TRY_HARDER);
+ return xchk_setup_ag_btree(sc, sc->flags & XCHK_TRY_HARDER);
}
/* Inode btree scrubber. */
@@ -212,7 +211,6 @@ xchk_iallocbt_check_cluster(
{
struct xfs_imap imap;
struct xfs_mount *mp = bs->cur->bc_mp;
- struct xfs_dinode *dip;
struct xfs_buf *cluster_bp;
unsigned int nr_inodes;
xfs_agnumber_t agno = bs->cur->bc_ag.agno;
@@ -278,7 +276,7 @@ xchk_iallocbt_check_cluster(
&XFS_RMAP_OINFO_INODES);
/* Grab the inode cluster buffer. */
- error = xfs_imap_to_bp(mp, bs->cur->bc_tp, &imap, &dip, &cluster_bp, 0);
+ error = xfs_imap_to_bp(mp, bs->cur->bc_tp, &imap, &cluster_bp);
if (!xchk_btree_xref_process_error(bs->sc, bs->cur, 0, &error))
return error;
diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c
index faf65eb5bd31..61f90b2c9430 100644
--- a/fs/xfs/scrub/inode.c
+++ b/fs/xfs/scrub/inode.c
@@ -28,8 +28,7 @@
*/
int
xchk_setup_inode(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
int error;
@@ -37,7 +36,7 @@ xchk_setup_inode(
* Try to get the inode. If the verifiers fail, we try again
* in raw mode.
*/
- error = xchk_get_inode(sc, ip);
+ error = xchk_get_inode(sc);
switch (error) {
case 0:
break;
diff --git a/fs/xfs/scrub/parent.c b/fs/xfs/scrub/parent.c
index 66c35f6dfc24..ab182a5cd0c0 100644
--- a/fs/xfs/scrub/parent.c
+++ b/fs/xfs/scrub/parent.c
@@ -20,10 +20,9 @@
/* Set us up to scrub parents. */
int
xchk_setup_parent(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
- return xchk_setup_inode_contents(sc, ip, 0);
+ return xchk_setup_inode_contents(sc, 0);
}
/* Parent pointers */
@@ -102,7 +101,7 @@ xchk_parent_count_parent_dentries(
* scanned.
*/
bufsize = (size_t)min_t(loff_t, XFS_READDIR_BUFSIZE,
- parent->i_d.di_size);
+ parent->i_disk_size);
oldpos = 0;
while (true) {
error = xfs_readdir(sc->tp, parent, &spc.dc, bufsize);
diff --git a/fs/xfs/scrub/quota.c b/fs/xfs/scrub/quota.c
index e34ca20ae8e4..acbb9839d42f 100644
--- a/fs/xfs/scrub/quota.c
+++ b/fs/xfs/scrub/quota.c
@@ -37,8 +37,7 @@ xchk_quota_to_dqtype(
/* Set us up to scrub a quota. */
int
xchk_setup_quota(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
xfs_dqtype_t dqtype;
int error;
@@ -53,7 +52,7 @@ xchk_setup_quota(
mutex_lock(&sc->mp->m_quotainfo->qi_quotaofflock);
if (!xfs_this_quota_on(sc->mp, dqtype))
return -ENOENT;
- error = xchk_setup_fs(sc, ip);
+ error = xchk_setup_fs(sc);
if (error)
return error;
sc->ip = xfs_quota_inode(sc->mp, dqtype);
@@ -85,7 +84,7 @@ xchk_quota_item(
int error = 0;
if (xchk_should_terminate(sc, &error))
- return error;
+ return -ECANCELED;
/*
* Except for the root dquot, the actual dquot we got must either have
@@ -162,7 +161,7 @@ xchk_quota_item(
out:
if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
- return -EFSCORRUPTED;
+ return -ECANCELED;
return 0;
}
@@ -238,6 +237,8 @@ xchk_quota(
error = xfs_qm_dqiterate(mp, dqtype, xchk_quota_item, &sqi);
sc->ilock_flags = XFS_ILOCK_EXCL;
xfs_ilock(sc->ip, sc->ilock_flags);
+ if (error == -ECANCELED)
+ error = 0;
if (!xchk_fblock_process_error(sc, XFS_DATA_FORK,
sqi.last_id * qi->qi_dqperchunk, &error))
goto out;
diff --git a/fs/xfs/scrub/refcount.c b/fs/xfs/scrub/refcount.c
index dd672e6bbc75..744530a66c0c 100644
--- a/fs/xfs/scrub/refcount.c
+++ b/fs/xfs/scrub/refcount.c
@@ -19,10 +19,9 @@
*/
int
xchk_setup_ag_refcountbt(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
- return xchk_setup_ag_btree(sc, ip, false);
+ return xchk_setup_ag_btree(sc, false);
}
/* Reference count btree scrubber. */
diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c
index 25e86c71e7b9..c2857d854c83 100644
--- a/fs/xfs/scrub/repair.c
+++ b/fs/xfs/scrub/repair.c
@@ -37,19 +37,18 @@
*/
int
xrep_attempt(
- struct xfs_inode *ip,
struct xfs_scrub *sc)
{
int error = 0;
- trace_xrep_attempt(ip, sc->sm, error);
+ trace_xrep_attempt(XFS_I(file_inode(sc->file)), sc->sm, error);
xchk_ag_btcur_free(&sc->sa);
/* Repair whatever's broken. */
ASSERT(sc->ops->repair);
error = sc->ops->repair(sc);
- trace_xrep_done(ip, sc->sm, error);
+ trace_xrep_done(XFS_I(file_inode(sc->file)), sc->sm, error);
switch (error) {
case 0:
/*
@@ -207,7 +206,11 @@ xrep_calc_ag_resblks(
/* Now grab the block counters from the AGF. */
error = xfs_alloc_read_agf(mp, NULL, sm->sm_agno, 0, &bp);
- if (!error) {
+ if (error) {
+ aglen = xfs_ag_block_count(mp, sm->sm_agno);
+ freelen = aglen;
+ usedlen = aglen;
+ } else {
struct xfs_agf *agf = bp->b_addr;
aglen = be32_to_cpu(agf->agf_length);
diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h
index fe77de01abe0..3bb152d52a07 100644
--- a/fs/xfs/scrub/repair.h
+++ b/fs/xfs/scrub/repair.h
@@ -17,7 +17,7 @@ static inline int xrep_notsupported(struct xfs_scrub *sc)
/* Repair helpers */
-int xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc);
+int xrep_attempt(struct xfs_scrub *sc);
void xrep_failure(struct xfs_mount *mp);
int xrep_roll_ag_trans(struct xfs_scrub *sc);
bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
@@ -64,8 +64,8 @@ int xrep_agi(struct xfs_scrub *sc);
#else
-static inline int xrep_attempt(
- struct xfs_inode *ip,
+static inline int
+xrep_attempt(
struct xfs_scrub *sc)
{
return -EOPNOTSUPP;
diff --git a/fs/xfs/scrub/rmap.c b/fs/xfs/scrub/rmap.c
index f4fcb4719f41..a4f17477c5d1 100644
--- a/fs/xfs/scrub/rmap.c
+++ b/fs/xfs/scrub/rmap.c
@@ -21,10 +21,9 @@
*/
int
xchk_setup_ag_rmapbt(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
- return xchk_setup_ag_btree(sc, ip, false);
+ return xchk_setup_ag_btree(sc, false);
}
/* Reverse-mapping scrubber. */
diff --git a/fs/xfs/scrub/rtbitmap.c b/fs/xfs/scrub/rtbitmap.c
index d409ca592178..37c0e2266c85 100644
--- a/fs/xfs/scrub/rtbitmap.c
+++ b/fs/xfs/scrub/rtbitmap.c
@@ -20,12 +20,11 @@
/* Set us up with the realtime metadata locked. */
int
xchk_setup_rt(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
int error;
- error = xchk_setup_fs(sc, ip);
+ error = xchk_setup_fs(sc);
if (error)
return error;
@@ -100,7 +99,7 @@ xchk_rtbitmap(
int error;
/* Is the size of the rtbitmap correct? */
- if (sc->mp->m_rbmip->i_d.di_size !=
+ if (sc->mp->m_rbmip->i_disk_size !=
XFS_FSB_TO_B(sc->mp, sc->mp->m_sb.sb_rbmblocks)) {
xchk_ino_set_corrupt(sc, sc->mp->m_rbmip->i_ino);
return 0;
diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c
index 8ebf35b115ce..0e542636227c 100644
--- a/fs/xfs/scrub/scrub.c
+++ b/fs/xfs/scrub/scrub.c
@@ -149,9 +149,10 @@ xchk_probe(
STATIC int
xchk_teardown(
struct xfs_scrub *sc,
- struct xfs_inode *ip_in,
int error)
{
+ struct xfs_inode *ip_in = XFS_I(file_inode(sc->file));
+
xchk_ag_free(sc, &sc->sa);
if (sc->tp) {
if (error == 0 && (sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR))
@@ -168,7 +169,8 @@ xchk_teardown(
xfs_irele(sc->ip);
sc->ip = NULL;
}
- sb_end_write(sc->mp->m_super);
+ if (sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)
+ mnt_drop_write_file(sc->file);
if (sc->flags & XCHK_REAPING_DISABLED)
xchk_start_reaping(sc);
if (sc->flags & XCHK_HAS_QUOTAOFFLOCK) {
@@ -456,23 +458,25 @@ static inline void xchk_postmortem(struct xfs_scrub *sc)
/* Dispatch metadata scrubbing. */
int
xfs_scrub_metadata(
- struct xfs_inode *ip,
+ struct file *file,
struct xfs_scrub_metadata *sm)
{
struct xfs_scrub sc = {
- .mp = ip->i_mount,
+ .file = file,
.sm = sm,
.sa = {
.agno = NULLAGNUMBER,
},
};
- struct xfs_mount *mp = ip->i_mount;
+ struct xfs_mount *mp = XFS_I(file_inode(file))->i_mount;
int error = 0;
+ sc.mp = mp;
+
BUILD_BUG_ON(sizeof(meta_scrub_ops) !=
(sizeof(struct xchk_meta_ops) * XFS_SCRUB_TYPE_NR));
- trace_xchk_start(ip, sm, error);
+ trace_xchk_start(XFS_I(file_inode(file)), sm, error);
/* Forbidden if we are shut down or mounted norecovery. */
error = -ESHUTDOWN;
@@ -492,15 +496,17 @@ xfs_scrub_metadata(
sc.sick_mask = xchk_health_mask_for_scrub_type(sm->sm_type);
retry_op:
/*
- * If freeze runs concurrently with a scrub, the freeze can be delayed
- * indefinitely as we walk the filesystem and iterate over metadata
- * buffers. Freeze quiesces the log (which waits for the buffer LRU to
- * be emptied) and that won't happen while checking is running.
+ * When repairs are allowed, prevent freezing or readonly remount while
+ * scrub is running with a real transaction.
*/
- sb_start_write(mp->m_super);
+ if (sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) {
+ error = mnt_want_write_file(sc.file);
+ if (error)
+ goto out;
+ }
/* Set up for the operation. */
- error = sc.ops->setup(&sc, ip);
+ error = sc.ops->setup(&sc);
if (error)
goto out_teardown;
@@ -512,12 +518,12 @@ retry_op:
* Tear down everything we hold, then set up again with
* preparation for worst-case scenarios.
*/
- error = xchk_teardown(&sc, ip, 0);
+ error = xchk_teardown(&sc, 0);
if (error)
goto out;
sc.flags |= XCHK_TRY_HARDER;
goto retry_op;
- } else if (error)
+ } else if (error || (sm->sm_flags & XFS_SCRUB_OFLAG_INCOMPLETE))
goto out_teardown;
xchk_update_health(&sc);
@@ -546,14 +552,14 @@ retry_op:
* If it's broken, userspace wants us to fix it, and we haven't
* already tried to fix it, then attempt a repair.
*/
- error = xrep_attempt(ip, &sc);
+ error = xrep_attempt(&sc);
if (error == -EAGAIN) {
/*
* Either the repair function succeeded or it couldn't
* get all the resources it needs; either way, we go
* back to the beginning and call the scrub function.
*/
- error = xchk_teardown(&sc, ip, 0);
+ error = xchk_teardown(&sc, 0);
if (error) {
xrep_failure(mp);
goto out;
@@ -565,9 +571,9 @@ retry_op:
out_nofix:
xchk_postmortem(&sc);
out_teardown:
- error = xchk_teardown(&sc, ip, error);
+ error = xchk_teardown(&sc, error);
out:
- trace_xchk_done(ip, sm, error);
+ trace_xchk_done(XFS_I(file_inode(file)), sm, error);
if (error == -EFSCORRUPTED || error == -EFSBADCRC) {
sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
error = 0;
diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h
index ad1ceb44a628..08a483cb46e2 100644
--- a/fs/xfs/scrub/scrub.h
+++ b/fs/xfs/scrub/scrub.h
@@ -18,8 +18,7 @@ enum xchk_type {
struct xchk_meta_ops {
/* Acquire whatever resources are needed for the operation. */
- int (*setup)(struct xfs_scrub *,
- struct xfs_inode *);
+ int (*setup)(struct xfs_scrub *sc);
/* Examine metadata for errors. */
int (*scrub)(struct xfs_scrub *);
@@ -59,7 +58,18 @@ struct xfs_scrub {
struct xfs_scrub_metadata *sm;
const struct xchk_meta_ops *ops;
struct xfs_trans *tp;
+
+ /* File that scrub was called with. */
+ struct file *file;
+
+ /*
+ * File that is undergoing the scrub operation. This can differ from
+ * the file that scrub was called with if we're checking file-based fs
+ * metadata (e.g. rt bitmaps) or if we're doing a scrub-by-handle for
+ * something that can't be opened directly (e.g. symlinks).
+ */
struct xfs_inode *ip;
+
void *buf;
uint ilock_flags;
diff --git a/fs/xfs/scrub/symlink.c b/fs/xfs/scrub/symlink.c
index c08be5ede066..599ee277bba2 100644
--- a/fs/xfs/scrub/symlink.c
+++ b/fs/xfs/scrub/symlink.c
@@ -18,15 +18,14 @@
/* Set us up to scrub a symbolic link. */
int
xchk_setup_symlink(
- struct xfs_scrub *sc,
- struct xfs_inode *ip)
+ struct xfs_scrub *sc)
{
/* Allocate the buffer without the inode lock held. */
sc->buf = kvzalloc(XFS_SYMLINK_MAXLEN + 1, GFP_KERNEL);
if (!sc->buf)
return -ENOMEM;
- return xchk_setup_inode_contents(sc, ip, 0);
+ return xchk_setup_inode_contents(sc, 0);
}
/* Symbolic links. */
@@ -43,7 +42,7 @@ xchk_symlink(
if (!S_ISLNK(VFS_I(ip)->i_mode))
return -ENOENT;
ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
- len = ip->i_d.di_size;
+ len = ip->i_disk_size;
/* Plausible size? */
if (len > XFS_SYMLINK_MAXLEN || len <= 0) {
@@ -52,7 +51,7 @@ xchk_symlink(
}
/* Inline symlink? */
- if (ifp->if_flags & XFS_IFINLINE) {
+ if (ifp->if_format == XFS_DINODE_FMT_LOCAL) {
if (len > XFS_IFORK_DSIZE(ip) ||
len > strnlen(ifp->if_u1.if_data, XFS_IFORK_DSIZE(ip)))
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, 0);
diff --git a/fs/xfs/scrub/xfs_scrub.h b/fs/xfs/scrub/xfs_scrub.h
index 2897ba3a17e6..2ceae614ade8 100644
--- a/fs/xfs/scrub/xfs_scrub.h
+++ b/fs/xfs/scrub/xfs_scrub.h
@@ -7,9 +7,9 @@
#define __XFS_SCRUB_H__
#ifndef CONFIG_XFS_ONLINE_SCRUB
-# define xfs_scrub_metadata(ip, sm) (-ENOTTY)
+# define xfs_scrub_metadata(file, sm) (-ENOTTY)
#else
-int xfs_scrub_metadata(struct xfs_inode *ip, struct xfs_scrub_metadata *sm);
+int xfs_scrub_metadata(struct file *file, struct xfs_scrub_metadata *sm);
#endif /* CONFIG_XFS_ONLINE_SCRUB */
#endif /* __XFS_SCRUB_H__ */