diff options
| author | Andreas Gruenbacher <agruenba@redhat.com> | 2018-09-27 15:30:25 +0100 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2018-10-12 07:31:55 -0500 |
| commit | ec23df2b0cf3e1620f5db77972b7fb735f267eff (patch) | |
| tree | 42843f4562fc8d05e07840240e659909f4ae324e /fs | |
| parent | 243fea4df910ca1463a1114321823082b5440991 (diff) | |
| download | linux-ec23df2b0cf3e1620f5db77972b7fb735f267eff.tar.bz2 | |
gfs2: Fix marking bitmaps non-full
Reservations in gfs can span multiple gfs2_bitmaps (but they won't span
multiple resource groups). When removing a reservation, we want to
clear the GBF_FULL flags of all involved gfs2_bitmaps, not just that of
the first bitmap.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/gfs2/rgrp.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index f47c76d9d9d0..7c5904c49a6a 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -641,7 +641,10 @@ static void __rs_deltree(struct gfs2_blkreserv *rs) RB_CLEAR_NODE(&rs->rs_node); if (rs->rs_free) { - struct gfs2_bitmap *bi = rbm_bi(&rs->rs_rbm); + u64 last_block = gfs2_rbm_to_block(&rs->rs_rbm) + + rs->rs_free - 1; + struct gfs2_rbm last_rbm = { .rgd = rs->rs_rbm.rgd, }; + struct gfs2_bitmap *start, *last; /* return reserved blocks to the rgrp */ BUG_ON(rs->rs_rbm.rgd->rd_reserved < rs->rs_free); @@ -652,7 +655,13 @@ static void __rs_deltree(struct gfs2_blkreserv *rs) it will force the number to be recalculated later. */ rgd->rd_extfail_pt += rs->rs_free; rs->rs_free = 0; - clear_bit(GBF_FULL, &bi->bi_flags); + if (gfs2_rbm_from_block(&last_rbm, last_block)) + return; + start = rbm_bi(&rs->rs_rbm); + last = rbm_bi(&last_rbm); + do + clear_bit(GBF_FULL, &start->bi_flags); + while (start++ != last); } } |