The new mount option is set after parsing the remount arguments,
so it is wrong that checking the autodefrag is close or not at
btrfs_remount_prepare(). Fix it.
Signed-off-by: Miao Xie <mi...@cn.fujitsu.com>
---
fs/btrfs/super.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 68a29a1..0f03569 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1202,11 +1202,14 @@ static void btrfs_resize_thread_pool(struct
btrfs_fs_info *fs_info,
new_pool_size);
}
-static inline void btrfs_remount_prepare(struct btrfs_fs_info *fs_info,
- unsigned long old_opts, int flags)
+static inline void btrfs_remount_prepare(struct btrfs_fs_info *fs_info)
{
set_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state);
+}
+static inline void btrfs_remount_begin(struct btrfs_fs_info *fs_info,
+ unsigned long old_opts, int flags)
+{
if (btrfs_raw_test_opt(old_opts, AUTO_DEFRAG) &&
(!btrfs_raw_test_opt(fs_info->mount_opt, AUTO_DEFRAG) ||
(flags & MS_RDONLY))) {
@@ -1247,7 +1250,7 @@ static int btrfs_remount(struct super_block *sb, int
*flags, char *data)
unsigned int old_metadata_ratio = fs_info->metadata_ratio;
int ret;
- btrfs_remount_prepare(fs_info, old_opts, *flags);
+ btrfs_remount_prepare(fs_info);
ret = btrfs_parse_options(root, data);
if (ret) {
@@ -1255,6 +1258,7 @@ static int btrfs_remount(struct super_block *sb, int
*flags, char *data)
goto restore;
}
+ btrfs_remount_begin(fs_info, old_opts, *flags);
btrfs_resize_thread_pool(fs_info,
fs_info->thread_pool_size, old_thread_pool_size);
--
1.8.0.1
--
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