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btrfs: use super write guard in sb_start_write()

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Link: https://patch.msgid.link/20251104-work-guards-v1-4-5108ac78a171@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-11-04 13:12:33 +01:00
parent e79a4512cc
commit 6e5b78cb17
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GPG key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/volumes.c
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@ -4660,12 +4660,12 @@ static int balance_kthread(void *data)
struct btrfs_fs_info *fs_info = data;
int ret = 0;
sb_start_write(fs_info->sb);
guard(super_write)(fs_info->sb);
mutex_lock(&fs_info->balance_mutex);
if (fs_info->balance_ctl)
ret = btrfs_balance(fs_info, fs_info->balance_ctl, NULL);
mutex_unlock(&fs_info->balance_mutex);
sb_end_write(fs_info->sb);
return ret;
}