diff options
author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2019-06-19 15:18:48 +0200 |
---|---|---|
committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2019-06-19 15:18:48 +0200 |
commit | 2ee692802b8f6c54bd6499addd3d07c2833d84d8 (patch) | |
tree | 6aa9a7de774804de0d5a944436a380eb99a6ac68 /fs/xfs/libxfs/xfs_rmap_btree.c | |
parent | video: fbdev: pvr2fb: add COMPILE_TEST support (diff) | |
parent | backlight: simplify lcd notifier (diff) | |
download | linux-dev-2ee692802b8f6c54bd6499addd3d07c2833d84d8.tar.xz linux-dev-2ee692802b8f6c54bd6499addd3d07c2833d84d8.zip |
Merge tag 'topic/remove-fbcon-notifiers-2019-06-14-1' of git://anongit.freedesktop.org/drm/drm-misc into fbdev-for-next
topic/remove-fbcon-notifiers:
- remove fbdev notifier usage for fbcon, as prep work to clean up the fbcon locking
- assorted locking checks in vt/console code
- assorted notifier and cleanups in fbdev and backlight code
One trivial merge conflict fixed.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap_btree.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_rmap_btree.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 5738e11055e6..5d1f8884c888 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -578,6 +578,15 @@ xfs_rmapbt_calc_reserves( tree_len = be32_to_cpu(agf->agf_rmap_blocks); xfs_trans_brelse(tp, agbp); + /* + * The log is permanently allocated, so the space it occupies will + * never be available for the kinds of things that would require btree + * expansion. We therefore can pretend the space isn't there. + */ + if (mp->m_sb.sb_logstart && + XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == agno) + agblocks -= mp->m_sb.sb_logblocks; + /* Reserve 1% of the AG or enough for 1 block per record. */ *ask += max(agblocks / 100, xfs_rmapbt_max_size(mp, agblocks)); *used += tree_len; |