Setting aside 4 blocks globally for bmbt splits isn't all that useful,
as different threads can allocate space in parallel. Bump it to 4
blocks per AG to allow each thread that is currently doing an
allocation to dip into it.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/libxfs/xfs_alloc.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 5050056..0a46f84 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -95,10 +95,7 @@ unsigned int
xfs_alloc_set_aside(
struct xfs_mount *mp)
{
- unsigned int blocks;
-
- blocks = 4 + (mp->m_sb.sb_agcount * XFS_ALLOC_AGFL_RESERVE);
- return blocks;
+ return mp->m_sb.sb_agcount * (XFS_ALLOC_AGFL_RESERVE + 4);
}
/*
--
2.1.4
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