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authorJosef Bacik <josef@toxicpanda.com>2024-07-29 17:05:48 +0200
committerDavid Sterba <dsterba@suse.com>2024-08-01 17:30:50 +0200
commit1e7bec1f7d6533f08bc1c4ee94930c02361db86c (patch)
treeb00716022d60cd2e810c3639dcf6d719981bda95 /fs
parentbtrfs: fix qgroup reserve leaks in cow_file_range (diff)
downloadlinux-1e7bec1f7d6533f08bc1c4ee94930c02361db86c.tar.xz
linux-1e7bec1f7d6533f08bc1c4ee94930c02361db86c.zip
btrfs: emit a warning about space cache v1 being deprecated
We've been wanting to get rid of this for a while, add a message to indicate that this feature is going away and when so we can finally have a date when we're going to remove it. The output looks like this BTRFS warning (device nvme0n1): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2 Reviewed-by: Qu Wenruo <wqu@suse.com> Reviewed-by: Neal Gompa <neal@gompa.dev> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/super.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 08d33cb372fb..83478deada3b 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -683,8 +683,11 @@ bool btrfs_check_options(const struct btrfs_fs_info *info,
ret = false;
if (!test_bit(BTRFS_FS_STATE_REMOUNTING, &info->fs_state)) {
- if (btrfs_raw_test_opt(*mount_opt, SPACE_CACHE))
+ if (btrfs_raw_test_opt(*mount_opt, SPACE_CACHE)) {
btrfs_info(info, "disk space caching is enabled");
+ btrfs_warn(info,
+"space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2");
+ }
if (btrfs_raw_test_opt(*mount_opt, FREE_SPACE_TREE))
btrfs_info(info, "using free-space-tree");
}