Remove an invalid size check up from btrfs_shrink_dev().
The new size should not larger than the device->total_bytes as it was
already verified before coming to here(i.e. new_size < old_size).
Remove invalid check up for btrfs_shrink_dev().
Signed-off-by: Jie Liu <jeff....@oracle.com>
---
fs/btrfs/ioctl.c | 2 +-
fs/btrfs/volumes.c | 3 ---
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9df50fa..a747da9 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1383,7 +1383,7 @@ static noinline int btrfs_ioctl_resize(struct
btrfs_root *root,
btrfs_commit_transaction(trans, root);
} else if (new_size < old_size) {
ret = btrfs_shrink_device(device, new_size);
- }
+ } /* equal, nothing need to do */
out_free:
kfree(vol_args);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 88b969a..8fda4fb 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3038,9 +3038,6 @@ int btrfs_shrink_device(struct btrfs_device
*device, u64 new_size)
u64 old_size = device->total_bytes;
u64 diff = device->total_bytes - new_size;
- if (new_size >= device->total_bytes)
- return -EINVAL;
-
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
--
1.7.9.5
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