diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-10-03 02:35:04 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-10-03 02:35:04 +0300 |
| commit | ebec44a2456fbe5fe18aae88f6010f6878f0cb4a (patch) | |
| tree | 427734722bdf3e807333329f33a6dbd6e95ec747 /fs/xfs/libxfs/xfs_ag_resv.c | |
| parent | 659333de48268550b5f09fcd45f76459d737b946 (diff) | |
| parent | 9e66317d3c92ddaab330c125dfe9d06eee268aff (diff) | |
| download | linux-ebec44a2456fbe5fe18aae88f6010f6878f0cb4a.tar.xz | |
BackMerge tag 'v4.14-rc3' into drm-next
Linux 4.14-rc3
Requested by Daniel for the tracing build fix in fixes.
Diffstat (limited to 'fs/xfs/libxfs/xfs_ag_resv.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ag_resv.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c index b008ff3250eb..df3e600835e8 100644 --- a/fs/xfs/libxfs/xfs_ag_resv.c +++ b/fs/xfs/libxfs/xfs_ag_resv.c @@ -156,7 +156,8 @@ __xfs_ag_resv_free( trace_xfs_ag_resv_free(pag, type, 0); resv = xfs_perag_resv(pag, type); - pag->pag_mount->m_ag_max_usable += resv->ar_asked; + if (pag->pag_agno == 0) + pag->pag_mount->m_ag_max_usable += resv->ar_asked; /* * AGFL blocks are always considered "free", so whatever * was reserved at mount time must be given back at umount. @@ -216,7 +217,14 @@ __xfs_ag_resv_init( return error; } - mp->m_ag_max_usable -= ask; + /* + * Reduce the maximum per-AG allocation length by however much we're + * trying to reserve for an AG. Since this is a filesystem-wide + * counter, we only make the adjustment for AG 0. This assumes that + * there aren't any AGs hungrier for per-AG reservation than AG 0. + */ + if (pag->pag_agno == 0) + mp->m_ag_max_usable -= ask; resv = xfs_perag_resv(pag, type); resv->ar_asked = ask; |