[PATCH 11/21] fs: xfs: Don't use low-space allocator for alignment > 1
From: John Garry <john.g.garry@oracle.com>
Date: 2023-09-29 10:33:55
Also in:
linux-block, linux-fsdevel, linux-nvme, linux-xfs, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
The low-space allocator doesn't honour the alignment requirement, so don't attempt to even use it (when we have an alignment requirement). Signed-off-by: John Garry <john.g.garry@oracle.com> --- fs/xfs/libxfs/xfs_bmap.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 30c931b38853..328134c22104 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c@@ -3569,6 +3569,10 @@ xfs_bmap_btalloc_low_space( { int error; + /* The allocator doesn't honour args->alignment */ + if (args->alignment > 1) + return 0; + if (args->minlen > ap->minlen) { args->minlen = ap->minlen; error = xfs_alloc_vextent_start_ag(args, ap->blkno);
--
2.31.1