The operation of device replace and device delete follows same steps upto some depth with in btrfs kernel, however they don't share codes. This enhancement will help replace and delete to share codes.
Signed-off-by: Anand Jain <[email protected]> --- v2: reword subject from Btrfs: check device_path in btrfs_find_device_by_user_input() fs/btrfs/dev-replace.c | 4 ---- fs/btrfs/volumes.c | 3 +++ 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index c093f49..02df419 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -320,10 +320,6 @@ int btrfs_dev_replace_start(struct btrfs_root *root, return -EINVAL; } - if ((args->start.srcdevid == 0 && args->start.srcdev_name[0] == '\0') || - args->start.tgtdev_name[0] == '\0') - return -EINVAL; - /* the disk copy procedure reuses the scrub code */ mutex_lock(&fs_info->volume_mutex); ret = btrfs_find_device_by_user_input(root, args->start.srcdevid, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index fbbe3fe..e929211 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2039,6 +2039,9 @@ int btrfs_find_device_by_user_input(struct btrfs_root *root, u64 srcdevid, if (!*device) ret = -ENOENT; } else { + if (!srcdev_name || !srcdev_name[0]) + return -EINVAL; + ret = btrfs_find_device_missing_or_by_path(root, srcdev_name, device); } -- 2.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
