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authorDarrick J. Wong <djwong@kernel.org>2021-09-01 11:15:56 -0700
committerDarrick J. Wong <djwong@kernel.org>2021-09-17 18:55:12 -0700
commitf7cac98834b0e1445645de34d0360171dc7a072e (patch)
tree28d5c04a3df88808e5b10eea1af85b620d1ad11b /fs/xfs/xfs_rtalloc.h
parentdd47b1682299880dcb15e3d621b4c342b0ede13e (diff)
xfs: allow inode-based btrees to reserve space in the data devicereserve-rt-metadata-space_2021-09-17
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_rtalloc.h')
-rw-r--r--fs/xfs/xfs_rtalloc.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h
index a0d0e161d804..7a459c250aa6 100644
--- a/fs/xfs/xfs_rtalloc.h
+++ b/fs/xfs/xfs_rtalloc.h
@@ -79,6 +79,9 @@ int /* error */
xfs_rtmount_inodes(
struct xfs_mount *mp); /* file system mount structure */
+void xfs_rt_resv_free(struct xfs_mount *mp);
+int xfs_rt_resv_init(struct xfs_mount *mp);
+
/*
* Pick an extent for allocation at the start of a new realtime file.
* Use the sequence number stored in the atime field of the bitmap inode.
@@ -168,6 +171,8 @@ xfs_rtmount_init(
xfs_warn(mp, "Not built with CONFIG_XFS_RT");
return -ENOSYS;
}
+# define xfs_rt_resv_free(mp) ((void)0)
+# define xfs_rt_resv_init(mp) (0)
# define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS))
# define xfs_rtunmount_inodes(m)
# define xfs_rtfile_convert_unwritten(ip, pos, len) (0)