f2fs: use kvmalloc, if kmalloc is failed
One report says memalloc failure during mount.
(unwind_backtrace) from [<c010cd4c>] (show_stack+0x10/0x14)
(show_stack) from [<c049c6b8>] (dump_stack+0x8c/0xa0)
(dump_stack) from [<c024fcf0>] (warn_alloc+0xc4/0x160)
(warn_alloc) from [<c0250218>] (__alloc_pages_nodemask+0x3f4/0x10d0)
(__alloc_pages_nodemask) from [<c0270450>] (kmalloc_order_trace+0x2c/0x120)
(kmalloc_order_trace) from [<c03fa748>] (build_node_manager+0x35c/0x688)
(build_node_manager) from [<c03de494>] (f2fs_fill_super+0xf0c/0x16cc)
(f2fs_fill_super) from [<c02a5864>] (mount_bdev+0x15c/0x188)
(mount_bdev) from [<c03da624>] (f2fs_mount+0x18/0x20)
(f2fs_mount) from [<c02a68b8>] (mount_fs+0x158/0x19c)
(mount_fs) from [<c02c3c9c>] (vfs_kern_mount+0x78/0x134)
(vfs_kern_mount) from [<c02c76ac>] (do_mount+0x474/0xca4)
(do_mount) from [<c02c8264>] (SyS_mount+0x94/0xbc)
(SyS_mount) from [<c0108180>] (ret_fast_syscall+0x0/0x48)
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 22f0d17..63e5995 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -160,7 +160,7 @@ static void *f2fs_acl_to_disk(struct f2fs_sb_info *sbi,
return (void *)f2fs_acl;
fail:
- kfree(f2fs_acl);
+ kvfree(f2fs_acl);
return ERR_PTR(-EINVAL);
}
@@ -190,7 +190,7 @@ static struct posix_acl *__f2fs_get_acl(struct inode *inode, int type,
acl = NULL;
else
acl = ERR_PTR(retval);
- kfree(value);
+ kvfree(value);
return acl;
}
@@ -240,7 +240,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
error = f2fs_setxattr(inode, name_index, "", value, size, ipage, 0);
- kfree(value);
+ kvfree(value);
if (!error)
set_cached_acl(inode, type, acl);