inode_cache use pre-allocation to write its cache data. However, pre-allocation is completely disabled in HMZONED mode.
We can technically enable inode_cache in the same way as relocation. However, inode_cache is rarely used and the man page discourage using it. So, let's just disable it for now. Signed-off-by: Naohiro Aota <[email protected]> --- fs/btrfs/hmzoned.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/btrfs/hmzoned.c b/fs/btrfs/hmzoned.c index 871befbbb23b..f8f41cb3d22a 100644 --- a/fs/btrfs/hmzoned.c +++ b/fs/btrfs/hmzoned.c @@ -272,6 +272,12 @@ int btrfs_check_mountopts_hmzoned(struct btrfs_fs_info *info) return -EINVAL; } + if (btrfs_test_pending(info, SET_INODE_MAP_CACHE)) { + btrfs_err(info, + "cannot enable inode map caching with HMZONED mode"); + return -EINVAL; + } + return 0; } -- 2.23.0
