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xfs: scrub inodes

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Scrub the fields within an inode.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong
2017-10-17 21:37:42 -07:00
parent edc09b5286
commit 80e4e12688
8 changed files with 693 additions and 3 deletions
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18
fs/xfs/scrub/scrub.c
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@@ -30,6 +30,8 @@
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_inode.h"
#include "xfs_icache.h"
#include "xfs_itable.h"
#include "xfs_alloc.h"
#include "xfs_alloc_btree.h"
#include "xfs_bmap.h"
@@ -141,6 +143,7 @@ xfs_scrub_probe(
STATIC int
xfs_scrub_teardown(
struct xfs_scrub_context *sc,
struct xfs_inode *ip_in,
int error)
{
xfs_scrub_ag_free(sc, &sc->sa);
@@ -148,6 +151,13 @@ xfs_scrub_teardown(
xfs_trans_cancel(sc->tp);
sc->tp = NULL;
}
if (sc->ip) {
xfs_iunlock(sc->ip, sc->ilock_flags);
if (sc->ip != ip_in &&
!xfs_internal_inum(sc->mp, sc->ip->i_ino))
iput(VFS_I(sc->ip));
sc->ip = NULL;
}
return error;
}
@@ -201,6 +211,10 @@ static const struct xfs_scrub_meta_ops meta_scrub_ops[] = {
.scrub = xfs_scrub_refcountbt,
.has = xfs_sb_version_hasreflink,
},
{ /* inode record */
.setup = xfs_scrub_setup_inode,
.scrub = xfs_scrub_inode,
},
};
/* This isn't a stable feature, warn once per day. */
@@ -300,7 +314,7 @@ retry_op:
* Tear down everything we hold, then set up again with
* preparation for worst-case scenarios.
*/
error = xfs_scrub_teardown(&sc, 0);
error = xfs_scrub_teardown(&sc, ip, 0);
if (error)
goto out;
try_harder = true;
@@ -313,7 +327,7 @@ retry_op:
xfs_alert_ratelimited(mp, "Corruption detected during scrub.");
out_teardown:
error = xfs_scrub_teardown(&sc, error);
error = xfs_scrub_teardown(&sc, ip, error);
out:
trace_xfs_scrub_done(ip, sm, error);
if (error == -EFSCORRUPTED || error == -EFSBADCRC) {