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btrfs: device add and remove: use GFP_KERNEL

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We can safely use GFP_KERNEL in the functions called from the ioctl
handlers.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-02-11 14:25:38 +01:00
parent 49e350a491
commit 78f2c9e6db
1 changed files with 5 additions and 4 deletions
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9
fs/btrfs/volumes.c
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@ -138,7 +138,7 @@ static struct btrfs_fs_devices *__alloc_fs_devices(void)
{
struct btrfs_fs_devices *fs_devs;
fs_devs = kzalloc(sizeof(*fs_devs), GFP_NOFS);
fs_devs = kzalloc(sizeof(*fs_devs), GFP_KERNEL);
if (!fs_devs)
return ERR_PTR(-ENOMEM);
@ -220,7 +220,7 @@ static struct btrfs_device *__alloc_device(void)
{
struct btrfs_device *dev;
dev = kzalloc(sizeof(*dev), GFP_NOFS);
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return ERR_PTR(-ENOMEM);
@ -733,7 +733,8 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig)
* uuid mutex so nothing we touch in here is going to disappear.
*/
if (orig_dev->name) {
name = rcu_string_strdup(orig_dev->name->str, GFP_NOFS);
name = rcu_string_strdup(orig_dev->name->str,
GFP_KERNEL);
if (!name) {
kfree(device);
goto error;
@ -2287,7 +2288,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
goto error;
}
name = rcu_string_strdup(device_path, GFP_NOFS);
name = rcu_string_strdup(device_path, GFP_KERNEL);
if (!name) {
kfree(device);
ret = -ENOMEM;