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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-09-19 21:21:21 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-09-19 21:21:21 +0400 |
| commit | 0b6c404a07e3240b95aa5682fb8fd57c41609d7a (patch) | |
| tree | c4d410b0ec7044922b73c39ecfb3fbb620c29282 /drivers/md/persistent-data/dm-space-map-common.c | |
| parent | 609455f481772c5a875b88e860a2ee0e2f25ebf0 (diff) | |
| parent | 55d512e245bc7699a8800e23df1a24195dd08217 (diff) | |
| download | linux-0b6c404a07e3240b95aa5682fb8fd57c41609d7a.tar.xz | |
Merge tag 'v3.6-rc5' into for-linus
Sync with mainline so that I can revert an input patch that came in through
another subsystem tree.
Diffstat (limited to 'drivers/md/persistent-data/dm-space-map-common.c')
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-common.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index ff3beed6ad2d..d77602d63c83 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -224,6 +224,7 @@ static int sm_ll_init(struct ll_disk *ll, struct dm_transaction_manager *tm) ll->nr_blocks = 0; ll->bitmap_root = 0; ll->ref_count_root = 0; + ll->bitmap_index_changed = false; return 0; } @@ -476,7 +477,15 @@ int sm_ll_dec(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev) int sm_ll_commit(struct ll_disk *ll) { - return ll->commit(ll); + int r = 0; + + if (ll->bitmap_index_changed) { + r = ll->commit(ll); + if (!r) + ll->bitmap_index_changed = false; + } + + return r; } /*----------------------------------------------------------------*/ @@ -491,6 +500,7 @@ static int metadata_ll_load_ie(struct ll_disk *ll, dm_block_t index, static int metadata_ll_save_ie(struct ll_disk *ll, dm_block_t index, struct disk_index_entry *ie) { + ll->bitmap_index_changed = true; memcpy(ll->mi_le.index + index, ie, sizeof(*ie)); return 0; } |