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-rw-r--r--fs/btrfs/sysfs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 38c0b95e0e7f..104c80caaa74 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -1278,7 +1278,9 @@ int btrfs_sysfs_add_devices_dir(struct btrfs_fs_devices *fs_devices,
{
int error = 0;
struct btrfs_device *dev;
+ unsigned int nofs_flag;
+ nofs_flag = memalloc_nofs_save();
list_for_each_entry(dev, &fs_devices->devices, dev_list) {
if (one_device && one_device != dev)
@@ -1306,6 +1308,7 @@ int btrfs_sysfs_add_devices_dir(struct btrfs_fs_devices *fs_devices,
break;
}
}
+ memalloc_nofs_restore(nofs_flag);
return error;
}