btrfs: use GFP_KERNEL in btrfs_defrag_file
We can safely use GFP_KERNEL, the function is called from two contexts:
- ioctl handler, called directly, no locks taken
- cleaner thread, running all queued defrag work, outside of any locks
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 3e744dd..4d1b07b 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1277,7 +1277,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
* context
*/
if (!file) {
- ra = kzalloc(sizeof(*ra), GFP_NOFS);
+ ra = kzalloc(sizeof(*ra), GFP_KERNEL);
if (!ra)
return -ENOMEM;
file_ra_state_init(ra, inode->i_mapping);
@@ -1285,8 +1285,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
ra = &file->f_ra;
}
- pages = kmalloc_array(max_cluster, sizeof(struct page *),
- GFP_NOFS);
+ pages = kmalloc_array(max_cluster, sizeof(struct page *), GFP_KERNEL);
if (!pages) {
ret = -ENOMEM;
goto out_ra;
