diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2021-09-01 11:15:56 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-12-15 17:29:11 -0800 |
| commit | cf2256c853689eff006fcaaf8100c2d2052671d4 (patch) | |
| tree | 3dc848f07d254993fc19aa979a6ed9a796ee8105 /fs/xfs/xfs_mount.c | |
| parent | 80e8ea43e8818125fdeb254f1f89f6482b1f33bb (diff) | |
xfs: allow inode-based btrees to reserve space in the data devicereserve-rt-metadata-space_2021-12-15
Create a new space reservation scheme so that btree metadata for the
realtime volume can reserve space in the data device to avoid space
underruns.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 66b85d14b80f..727545ca2348 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -608,6 +608,15 @@ xfs_agbtree_compute_maxlevels( mp->m_agbtree_maxlevels = max(levels, mp->m_refc_maxlevels); } +/* Compute maximum possible height for realtime btree types for this fs. */ +static inline void +xfs_rtbtree_compute_maxlevels( + struct xfs_mount *mp) +{ + /* This will be filled in later. */ + mp->m_rtbtree_maxlevels = 0; +} + /* * This function does the following on an initial mount of a file system: * - reads the superblock from disk and init the mount struct @@ -680,6 +689,7 @@ xfs_mountfs( xfs_refcountbt_compute_maxlevels(mp); xfs_agbtree_compute_maxlevels(mp); + xfs_rtbtree_compute_maxlevels(mp); /* * Check if sb_agblocks is aligned at stripe boundary. If sb_agblocks |