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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-05-29 22:24:44 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-05-30 08:03:14 -0700 |
| commit | 51863d7dd77dd27a35b12b37c7caf8679903b6ae (patch) | |
| tree | 462c165bfb2c16e70390f79688244cfa2a1d2abe /fs/xfs/scrub/common.c | |
| parent | 05edd888d1b21b7c6af10fa3e0cdc1e5b4578493 (diff) | |
| download | linux-stable-51863d7dd77dd27a35b12b37c7caf8679903b6ae.tar.gz linux-stable-51863d7dd77dd27a35b12b37c7caf8679903b6ae.tar.bz2 linux-stable-51863d7dd77dd27a35b12b37c7caf8679903b6ae.zip | |
xfs: grab the per-ag structure whenever relevant
Grab and hold the per-AG data across a scrub run whenever relevant.
This helps us avoid repeated trips through rcu and the radix tree
in the repair code.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/common.c')
| -rw-r--r-- | fs/xfs/scrub/common.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c index 518bff2be0c9..d3e5adc96411 100644 --- a/fs/xfs/scrub/common.c +++ b/fs/xfs/scrub/common.c @@ -541,6 +541,10 @@ xfs_scrub_ag_free( xfs_trans_brelse(sc->tp, sa->agi_bp); sa->agi_bp = NULL; } + if (sa->pag) { + xfs_perag_put(sa->pag); + sa->pag = NULL; + } sa->agno = NULLAGNUMBER; } @@ -568,6 +572,19 @@ xfs_scrub_ag_init( return xfs_scrub_ag_btcur_init(sc, sa); } +/* + * Grab the per-ag structure if we haven't already gotten it. Teardown of the + * xfs_scrub_ag will release it for us. + */ +void +xfs_scrub_perag_get( + struct xfs_mount *mp, + struct xfs_scrub_ag *sa) +{ + if (!sa->pag) + sa->pag = xfs_perag_get(mp, sa->agno); +} + /* Per-scrubber setup functions */ /* |