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-rw-r--r--fs/btrfs/disk-io.c7
-rw-r--r--fs/btrfs/zoned.c3
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 7513388b0567..9b9914e5f03d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3438,11 +3438,16 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
* For devices supporting discard turn on discard=async automatically,
* unless it's already set or disabled. This could be turned off by
* nodiscard for the same mount.
+ *
+ * The zoned mode piggy backs on the discard functionality for
+ * resetting a zone. There is no reason to delay the zone reset as it is
+ * fast enough. So, do not enable async discard for zoned mode.
*/
if (!(btrfs_test_opt(fs_info, DISCARD_SYNC) ||
btrfs_test_opt(fs_info, DISCARD_ASYNC) ||
btrfs_test_opt(fs_info, NODISCARD)) &&
- fs_info->fs_devices->discardable) {
+ fs_info->fs_devices->discardable &&
+ !btrfs_is_zoned(fs_info)) {
btrfs_set_and_info(fs_info, DISCARD_ASYNC,
"auto enabling async discard");
}
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 85b8b332add9..72b90bc19a19 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -805,6 +805,9 @@ int btrfs_check_mountopts_zoned(struct btrfs_fs_info *info)
return -EINVAL;
}
+ btrfs_clear_and_info(info, DISCARD_ASYNC,
+ "zoned: async discard ignored and disabled for zoned mode");
+
return 0;
}