[1/5] btrfs: use GFP_KERNEL in mount and remount
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Message ID 5b90b9a0224194ec4d363bb5319b6ad9ce84c5bd.1500053599.git.dsterba@suse.com
State New
Headers show

Commit Message

David Sterba July 14, 2017, 5:35 p.m. UTC
We don't need to restrict the allocation flags in btrfs_mount or
_remount. No big filesystem locks are held (possibly s_umount but that
does no count here).

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/super.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

Patch
diff mbox

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 74e47794e63f..35aae1c0377b 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -425,7 +425,7 @@  int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
 	 * strsep changes the string, duplicate it because parse_options
 	 * gets called twice
 	 */
-	options = kstrdup(options, GFP_NOFS);
+	options = kstrdup(options, GFP_KERNEL);
 	if (!options)
 		return -ENOMEM;
 
@@ -949,7 +949,7 @@  static char *get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info,
 	}
 	path->leave_spinning = 1;
 
-	name = kmalloc(PATH_MAX, GFP_NOFS);
+	name = kmalloc(PATH_MAX, GFP_KERNEL);
 	if (!name) {
 		ret = -ENOMEM;
 		goto err;
@@ -1336,10 +1336,11 @@  static char *setup_root_args(char *args)
 	char *buf, *dst, *sep;
 
 	if (!args)
-		return kstrdup("subvolid=0", GFP_NOFS);
+		return kstrdup("subvolid=0", GFP_KERNEL);
 
 	/* The worst case is that we add ",subvolid=0" to the end. */
-	buf = dst = kmalloc(strlen(args) + strlen(",subvolid=0") + 1, GFP_NOFS);
+	buf = dst = kmalloc(strlen(args) + strlen(",subvolid=0") + 1,
+			GFP_KERNEL);
 	if (!buf)
 		return NULL;
 
@@ -1568,7 +1569,7 @@  static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	 * it for searching for existing supers, so this lets us do that and
 	 * then open_ctree will properly initialize everything later.
 	 */
-	fs_info = kzalloc(sizeof(struct btrfs_fs_info), GFP_NOFS);
+	fs_info = kzalloc(sizeof(struct btrfs_fs_info), GFP_KERNEL);
 	if (!fs_info) {
 		error = -ENOMEM;
 		goto error_sec_opts;
@@ -1576,8 +1577,8 @@  static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 
 	fs_info->fs_devices = fs_devices;
 
-	fs_info->super_copy = kzalloc(BTRFS_SUPER_INFO_SIZE, GFP_NOFS);
-	fs_info->super_for_commit = kzalloc(BTRFS_SUPER_INFO_SIZE, GFP_NOFS);
+	fs_info->super_copy = kzalloc(BTRFS_SUPER_INFO_SIZE, GFP_KERNEL);
+	fs_info->super_for_commit = kzalloc(BTRFS_SUPER_INFO_SIZE, GFP_KERNEL);
 	security_init_mnt_opts(&fs_info->security_opts);
 	if (!fs_info->super_copy || !fs_info->super_for_commit) {
 		error = -ENOMEM;