mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-28 22:54:05 +08:00
07e81dc944
This is a large patch, but because they're all macros it's impossible to split up. Simply copy all of the item accessors in ctree.h and paste them in accessors.h, and then update any files to include the header so everything compiles. Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ reformat comments, style fixups ] Signed-off-by: David Sterba <dsterba@suse.com>
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
#include "messages.h"
|
|
#include "ctree.h"
|
|
#include "fs.h"
|
|
#include "accessors.h"
|
|
|
|
void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag,
|
|
const char *name)
|
|
{
|
|
struct btrfs_super_block *disk_super;
|
|
u64 features;
|
|
|
|
disk_super = fs_info->super_copy;
|
|
features = btrfs_super_incompat_flags(disk_super);
|
|
if (!(features & flag)) {
|
|
spin_lock(&fs_info->super_lock);
|
|
features = btrfs_super_incompat_flags(disk_super);
|
|
if (!(features & flag)) {
|
|
features |= flag;
|
|
btrfs_set_super_incompat_flags(disk_super, features);
|
|
btrfs_info(fs_info,
|
|
"setting incompat feature flag for %s (0x%llx)",
|
|
name, flag);
|
|
}
|
|
spin_unlock(&fs_info->super_lock);
|
|
}
|
|
}
|
|
|
|
void __btrfs_clear_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag,
|
|
const char *name)
|
|
{
|
|
struct btrfs_super_block *disk_super;
|
|
u64 features;
|
|
|
|
disk_super = fs_info->super_copy;
|
|
features = btrfs_super_incompat_flags(disk_super);
|
|
if (features & flag) {
|
|
spin_lock(&fs_info->super_lock);
|
|
features = btrfs_super_incompat_flags(disk_super);
|
|
if (features & flag) {
|
|
features &= ~flag;
|
|
btrfs_set_super_incompat_flags(disk_super, features);
|
|
btrfs_info(fs_info,
|
|
"clearing incompat feature flag for %s (0x%llx)",
|
|
name, flag);
|
|
}
|
|
spin_unlock(&fs_info->super_lock);
|
|
}
|
|
}
|
|
|
|
void __btrfs_set_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag,
|
|
const char *name)
|
|
{
|
|
struct btrfs_super_block *disk_super;
|
|
u64 features;
|
|
|
|
disk_super = fs_info->super_copy;
|
|
features = btrfs_super_compat_ro_flags(disk_super);
|
|
if (!(features & flag)) {
|
|
spin_lock(&fs_info->super_lock);
|
|
features = btrfs_super_compat_ro_flags(disk_super);
|
|
if (!(features & flag)) {
|
|
features |= flag;
|
|
btrfs_set_super_compat_ro_flags(disk_super, features);
|
|
btrfs_info(fs_info,
|
|
"setting compat-ro feature flag for %s (0x%llx)",
|
|
name, flag);
|
|
}
|
|
spin_unlock(&fs_info->super_lock);
|
|
}
|
|
}
|
|
|
|
void __btrfs_clear_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag,
|
|
const char *name)
|
|
{
|
|
struct btrfs_super_block *disk_super;
|
|
u64 features;
|
|
|
|
disk_super = fs_info->super_copy;
|
|
features = btrfs_super_compat_ro_flags(disk_super);
|
|
if (features & flag) {
|
|
spin_lock(&fs_info->super_lock);
|
|
features = btrfs_super_compat_ro_flags(disk_super);
|
|
if (features & flag) {
|
|
features &= ~flag;
|
|
btrfs_set_super_compat_ro_flags(disk_super, features);
|
|
btrfs_info(fs_info,
|
|
"clearing compat-ro feature flag for %s (0x%llx)",
|
|
name, flag);
|
|
}
|
|
spin_unlock(&fs_info->super_lock);
|
|
}
|
|
}
|