Message ID | 155537398946.27935.9233257960413346572.stgit@magnolia (mailing list archive) |
---|---|
State | Accepted, archived |
Headers | show |
Series | xfs: scrub/repair update health tracking | expand |
On Mon, Apr 15, 2019 at 05:19:49PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@oracle.com> > > Now that we no longer memset the scrub context, we can move the > already_fixed variable into the scrub context's state flags instead of > passing around pointers to separate stack variables. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Minor comment below, otherwise Reviewed-by: Dave Chinner <dchinner@redhat.com> > diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h > index 60359e7de930..1b23bf141438 100644 > --- a/fs/xfs/scrub/scrub.h > +++ b/fs/xfs/scrub/scrub.h > @@ -63,16 +63,17 @@ struct xfs_scrub { > void *buf; > uint ilock_flags; > > - /* See the XCHK state flags below. */ > + /* See the XCHK/XREP state flags below. */ > unsigned int flags; > > /* State tracking for single-AG operations. */ > struct xchk_ag sa; > }; > > -/* XCHK state flags */ > +/* XCHK/XREP state flags */ > #define XCHK_TRY_HARDER (1 << 0) /* can't get resources, try again */ > #define XCHK_HAS_QUOTAOFFLOCK (1 << 1) /* we hold the quotaoff lock */ > +#define XREP_ALREADY_FIXED (1 << 31) /* checking our repair work */ > Can you just put a comment here saying xchk flags grow from the bottom up, XREP grow from the top down? Cheers, Dave.
On Tue, Apr 16, 2019 at 10:51:04AM +1000, Dave Chinner wrote: > On Mon, Apr 15, 2019 at 05:19:49PM -0700, Darrick J. Wong wrote: > > From: Darrick J. Wong <darrick.wong@oracle.com> > > > > Now that we no longer memset the scrub context, we can move the > > already_fixed variable into the scrub context's state flags instead of > > passing around pointers to separate stack variables. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > Minor comment below, otherwise > > Reviewed-by: Dave Chinner <dchinner@redhat.com> > > > diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h > > index 60359e7de930..1b23bf141438 100644 > > --- a/fs/xfs/scrub/scrub.h > > +++ b/fs/xfs/scrub/scrub.h > > @@ -63,16 +63,17 @@ struct xfs_scrub { > > void *buf; > > uint ilock_flags; > > > > - /* See the XCHK state flags below. */ > > + /* See the XCHK/XREP state flags below. */ > > unsigned int flags; > > > > /* State tracking for single-AG operations. */ > > struct xchk_ag sa; > > }; > > > > -/* XCHK state flags */ > > +/* XCHK/XREP state flags */ > > #define XCHK_TRY_HARDER (1 << 0) /* can't get resources, try again */ > > #define XCHK_HAS_QUOTAOFFLOCK (1 << 1) /* we hold the quotaoff lock */ > > +#define XREP_ALREADY_FIXED (1 << 31) /* checking our repair work */ > > > > Can you just put a comment here saying xchk flags grow from the > bottom up, XREP grow from the top down? Ok, will do. --D > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com
diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c index c093939fe35a..5e7e36cdf3d5 100644 --- a/fs/xfs/scrub/repair.c +++ b/fs/xfs/scrub/repair.c @@ -46,8 +46,7 @@ int xrep_attempt( struct xfs_inode *ip, - struct xfs_scrub *sc, - bool *fixed) + struct xfs_scrub *sc) { int error = 0; @@ -66,7 +65,7 @@ xrep_attempt( * scrub so that we can tell userspace if we fixed the problem. */ sc->sm->sm_flags &= ~XFS_SCRUB_FLAGS_OUT; - *fixed = true; + sc->flags |= XREP_ALREADY_FIXED; return -EAGAIN; case -EDEADLOCK: case -EAGAIN: diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h index d990314eb08b..60c61d7052a8 100644 --- a/fs/xfs/scrub/repair.h +++ b/fs/xfs/scrub/repair.h @@ -15,7 +15,7 @@ static inline int xrep_notsupported(struct xfs_scrub *sc) /* Repair helpers */ -int xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc, bool *fixed); +int xrep_attempt(struct xfs_inode *ip, 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 +64,7 @@ int xrep_agi(struct xfs_scrub *sc); static inline int xrep_attempt( struct xfs_inode *ip, - struct xfs_scrub *sc, - bool *fixed) + struct xfs_scrub *sc) { return -EOPNOTSUPP; } diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c index 6e18a1178e26..02d278b7d20b 100644 --- a/fs/xfs/scrub/scrub.c +++ b/fs/xfs/scrub/scrub.c @@ -476,7 +476,6 @@ xfs_scrub_metadata( }, }; struct xfs_mount *mp = ip->i_mount; - bool already_fixed = false; int error = 0; BUILD_BUG_ON(sizeof(meta_scrub_ops) != @@ -521,7 +520,8 @@ xfs_scrub_metadata( } else if (error) goto out_teardown; - if ((sc.sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) && !already_fixed) { + if ((sc.sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR) && + !(sc.flags & XREP_ALREADY_FIXED)) { bool needs_fix; /* Let debug users force us into the repair routines. */ @@ -544,7 +544,7 @@ xfs_scrub_metadata( * 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, &already_fixed); + error = xrep_attempt(ip, &sc); if (error == -EAGAIN) { /* * Either the repair function succeeded or it couldn't diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h index 60359e7de930..1b23bf141438 100644 --- a/fs/xfs/scrub/scrub.h +++ b/fs/xfs/scrub/scrub.h @@ -63,16 +63,17 @@ struct xfs_scrub { void *buf; uint ilock_flags; - /* See the XCHK state flags below. */ + /* See the XCHK/XREP state flags below. */ unsigned int flags; /* State tracking for single-AG operations. */ struct xchk_ag sa; }; -/* XCHK state flags */ +/* XCHK/XREP state flags */ #define XCHK_TRY_HARDER (1 << 0) /* can't get resources, try again */ #define XCHK_HAS_QUOTAOFFLOCK (1 << 1) /* we hold the quotaoff lock */ +#define XREP_ALREADY_FIXED (1 << 31) /* checking our repair work */ /* Metadata scrubbers */ int xchk_tester(struct xfs_scrub *sc);