From 522f1b45e41d893e4d1debd7f80c1e25e060c137 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Thu, 18 Jan 2018 22:00:35 +0800 Subject: btrfs: make btrfs_free_stale_devices() argument optional This updates btrfs_free_stale_devices() helper function to delete all unmouted devices, when arg is NULL. Signed-off-by: Anand Jain Reviewed-by: Josef Bacik Signed-off-by: David Sterba --- fs/btrfs/volumes.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'fs/btrfs') diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 207014fce7ea..9712377862d9 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -610,9 +610,6 @@ static void btrfs_free_stale_devices(struct btrfs_device *cur_dev) struct btrfs_fs_devices *fs_devs, *tmp_fs_devs; struct btrfs_device *dev, *tmp_dev; - if (!cur_dev->name) - return; - list_for_each_entry_safe(fs_devs, tmp_fs_devs, &fs_uuids, list) { if (fs_devs->opened) @@ -620,11 +617,9 @@ static void btrfs_free_stale_devices(struct btrfs_device *cur_dev) list_for_each_entry_safe(dev, tmp_dev, &fs_devs->devices, dev_list) { - int not_found; + int not_found = 0; - if (dev == cur_dev) - continue; - if (!dev->name) + if (cur_dev && (cur_dev == dev || !dev->name)) continue; /* @@ -634,8 +629,9 @@ static void btrfs_free_stale_devices(struct btrfs_device *cur_dev) * either use mapper or non mapper path throughout. */ rcu_read_lock(); - not_found = strcmp(rcu_str_deref(dev->name), - rcu_str_deref(cur_dev->name)); + if (cur_dev) + not_found = strcmp(rcu_str_deref(dev->name), + rcu_str_deref(cur_dev->name)); rcu_read_unlock(); if (not_found) continue; -- cgit v1.2.3-58-ga151