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btrfs: use GFP_KERNEL in init_ipath

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Now that init_ipath is called either from a safe context or with
memalloc_nofs protection, we can switch to GFP_KERNEL allocations in
init_path and init_data_container.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-05-31 19:32:09 +02:00
parent de2491fdef
commit f54de068dd
2 changed files with 7 additions and 7 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

10
fs/btrfs/backref.c
View file

@ -16,7 +16,7 @@
* Boston, MA 021110-1307, USA.
*/
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/rbtree.h>
#include "ctree.h"
#include "disk-io.h"
@ -2305,7 +2305,7 @@ struct btrfs_data_container *init_data_container(u32 total_bytes)
size_t alloc_bytes;
alloc_bytes = max_t(size_t, total_bytes, sizeof(*data));
data = vmalloc(alloc_bytes);
data = kvmalloc(alloc_bytes, GFP_KERNEL);
if (!data)
return ERR_PTR(-ENOMEM);
@ -2339,9 +2339,9 @@ struct inode_fs_paths *init_ipath(s32 total_bytes, struct btrfs_root *fs_root,
if (IS_ERR(fspath))
return (void *)fspath;
ifp = kmalloc(sizeof(*ifp), GFP_NOFS);
ifp = kmalloc(sizeof(*ifp), GFP_KERNEL);
if (!ifp) {
vfree(fspath);
kvfree(fspath);
return ERR_PTR(-ENOMEM);
}
@ -2356,6 +2356,6 @@ void free_ipath(struct inode_fs_paths *ipath)
{
if (!ipath)
return;
vfree(ipath->fspath);
kvfree(ipath->fspath);
kfree(ipath);
}

4
fs/btrfs/ioctl.c
View file

@ -37,7 +37,7 @@
#include <linux/bit_spinlock.h>
#include <linux/security.h>
#include <linux/xattr.h>
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/uuid.h>
@ -4588,7 +4588,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_fs_info *fs_info,
out:
btrfs_free_path(path);
vfree(inodes);
kvfree(inodes);
kfree(loi);
return ret;