https://github.com/torvalds/linux
Tip revision: ea5f6ad9ad9645733b72ab53a98e719b460d36a6 authored by Linus Torvalds on 16 May 2024, 16:14:50 UTC
Merge tag 'platform-drivers-x86-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Merge tag 'platform-drivers-x86-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Tip revision: ea5f6ad
fs.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);
set_bit(BTRFS_FS_FEATURE_CHANGED, &fs_info->flags);
}
}
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);
set_bit(BTRFS_FS_FEATURE_CHANGED, &fs_info->flags);
}
}
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);
set_bit(BTRFS_FS_FEATURE_CHANGED, &fs_info->flags);
}
}
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);
set_bit(BTRFS_FS_FEATURE_CHANGED, &fs_info->flags);
}
}