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WSL2-Linux-Kernel
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- hfs and hfsplus kmap API modernization from Fabio Francesco 

- Valentin Schneider makes crash-kexec work properly when invoked from
   an NMI-time panic.
 
 - ntfs bugfixes from Hawkins Jiawei
 
 - Jiebin Sun improves IPC msg scalability by replacing atomic_t's with
   percpu counters.
 
 - nilfs2 cleanups from Minghao Chi
 
 - lots of other single patches all over the tree!
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Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - hfs and hfsplus kmap API modernization (Fabio Francesco)

 - make crash-kexec work properly when invoked from an NMI-time panic
   (Valentin Schneider)

 - ntfs bugfixes (Hawkins Jiawei)

 - improve IPC msg scalability by replacing atomic_t's with percpu
   counters (Jiebin Sun)

 - nilfs2 cleanups (Minghao Chi)

 - lots of other single patches all over the tree!

* tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
  include/linux/entry-common.h: remove has_signal comment of arch_do_signal_or_restart() prototype
  proc: test how it holds up with mapping'less process
  mailmap: update Frank Rowand email address
  ia64: mca: use strscpy() is more robust and safer
  init/Kconfig: fix unmet direct dependencies
  ia64: update config files
  nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
  fork: remove duplicate included header files
  init/main.c: remove unnecessary (void*) conversions
  proc: mark more files as permanent
  nilfs2: remove the unneeded result variable
  nilfs2: delete unnecessary checks before brelse()
  checkpatch: warn for non-standard fixes tag style
  usr/gen_init_cpio.c: remove unnecessary -1 values from int file
  ipc/msg: mitigate the lock contention with percpu counter
  percpu: add percpu_counter_add_local and percpu_counter_sub_local
  fs/ocfs2: fix repeated words in comments
  relay: use kvcalloc to alloc page array in relay_alloc_page_array
  proc: make config PROC_CHILDREN depend on PROC_FS
  fs: uninline inode_maybe_inc_iversion()
  ...
This commit is contained in:
Linus Torvalds 2022-10-12 11:00:22 -07:00
Родитель 95b8b5953a 6a961bffd1
Коммит 676cb49573
154 изменённых файлов: 1148 добавлений и 621 удалений
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1
.mailmap
Просмотреть файл

@ -137,6 +137,7 @@ Filipe Lautert <filipe@icewall.org>
Finn Thain <fthain@linux-m68k.org> <fthain@telegraphics.com.au>
Franck Bui-Huu <vagabon.xyz@gmail.com>
Frank Rowand <frowand.list@gmail.com> <frank.rowand@am.sony.com>
Frank Rowand <frowand.list@gmail.com> <frank.rowand@sony.com>
Frank Rowand <frowand.list@gmail.com> <frank.rowand@sonymobile.com>
Frank Rowand <frowand.list@gmail.com> <frowand@mvista.com>
Frank Zago <fzago@systemfabricworks.com>

5
Documentation/admin-guide/sysctl/kernel.rst
Просмотреть файл

@ -65,6 +65,11 @@ combining the following values:
4 s3_beep
= =======
arch
====
The machine hardware name, the same output as ``uname -m``
(e.g. ``x86_64`` or ``aarch64``).
auto_msgmni
===========

7
Documentation/dev-tools/checkpatch.rst
Просмотреть файл

@ -612,6 +612,13 @@ Commit message
See: https://www.kernel.org/doc/html/latest/process/submitting-patches.html#describe-your-changes
**BAD_FIXES_TAG**
The Fixes: tag is malformed or does not follow the community conventions.
This can occur if the tag have been split into multiple lines (e.g., when
pasted in an email program with word wrapping enabled).
See: https://www.kernel.org/doc/html/latest/process/submitting-patches.html#describe-your-changes
Comparison style
----------------

2
arch/alpha/configs/defconfig
Просмотреть файл

@ -65,7 +65,7 @@ CONFIG_NFSD=m
CONFIG_NLS_CODEPAGE_437=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_ALPHA_LEGACY_START_ADDRESS=y
CONFIG_MATHEMU=y
CONFIG_CRYPTO_HMAC=y

2
arch/alpha/include/asm/processor.h
Просмотреть файл

@ -36,8 +36,6 @@ extern void start_thread(struct pt_regs *, unsigned long, unsigned long);
/* Free all resources held by a thread. */
struct task_struct;
extern void release_thread(struct task_struct *);
unsigned long __get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)

5
arch/alpha/kernel/process.c
Просмотреть файл

@ -225,11 +225,6 @@ flush_thread(void)
current_thread_info()->pcb.unique = 0;
}
void
release_thread(struct task_struct *dead_task)
{
}
/*
* Copy architecture-specific thread state
*/

4
arch/alpha/kernel/setup.c
Просмотреть файл

@ -491,9 +491,9 @@ setup_arch(char **cmdline_p)
boot flags depending on the boot mode, we need some shorthand.
This should do for installation. */
if (strcmp(COMMAND_LINE, "INSTALL") == 0) {
strlcpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof command_line);
strscpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof(command_line));
} else {
strlcpy(command_line, COMMAND_LINE, sizeof command_line);
strscpy(command_line, COMMAND_LINE, sizeof(command_line));
}
strcpy(boot_command_line, command_line);
*cmdline_p = command_line;

2
arch/arc/configs/tb10x_defconfig
Просмотреть файл

@ -90,7 +90,7 @@ CONFIG_TMPFS=y
CONFIG_CONFIGFS_FS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_INSTALL=y

3
arch/arc/include/asm/processor.h
Просмотреть файл

@ -43,9 +43,6 @@ struct task_struct;
#define task_pt_regs(p) \
((struct pt_regs *)(THREAD_SIZE + (void *)task_stack_page(p)) - 1)
/* Free all resources held by a thread */
#define release_thread(thread) do { } while (0)
/*
* A lot of busy-wait loops in SMP are based off of non-volatile data otherwise
* get optimised away by gcc

3
arch/arm/include/asm/processor.h
Просмотреть файл

@ -81,9 +81,6 @@ static inline void arch_thread_struct_whitelist(unsigned long *offset,
/* Forward declaration, a strange C thing */
struct task_struct;
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
unsigned long __get_wchan(struct task_struct *p);
#define task_pt_regs(p) \

4
arch/arm/kernel/process.c
Просмотреть файл

@ -232,10 +232,6 @@ void flush_thread(void)
thread_notify(THREAD_NOTIFY_FLUSH, thread);
}
void release_thread(struct task_struct *dead_task)
{
}
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)

3
arch/arm64/include/asm/processor.h
Просмотреть файл

@ -323,9 +323,6 @@ static inline bool is_ttbr1_addr(unsigned long addr)
/* Forward declaration, a strange C thing */
struct task_struct;
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
unsigned long __get_wchan(struct task_struct *p);
void update_sctlr_el1(u64 sctlr);

4
arch/arm64/kernel/process.c
Просмотреть файл

@ -279,10 +279,6 @@ void flush_thread(void)
flush_tagged_addr_state();
}
void release_thread(struct task_struct *dead_task)
{
}
void arch_release_task_struct(struct task_struct *tsk)
{
fpsimd_release_task(tsk);

5
arch/csky/include/asm/processor.h
Просмотреть файл

@ -69,11 +69,6 @@ do { \
/* Forward declaration, a strange C thing */
struct task_struct;
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
}
/* Prepare to copy thread state - unlazy all lazy status */
#define prepare_to_copy(tsk) do { } while (0)

4
arch/hexagon/include/asm/processor.h
Просмотреть файл

@ -60,10 +60,6 @@ struct thread_struct {
#define KSTK_EIP(tsk) (pt_elr(task_pt_regs(tsk)))
#define KSTK_ESP(tsk) (pt_psp(task_pt_regs(tsk)))
/* Free all resources held by a thread; defined in process.c */
extern void release_thread(struct task_struct *dead_task);
/* Get wait channel for task P. */
extern unsigned long __get_wchan(struct task_struct *p);
/* The following stuff is pretty HEXAGON specific. */

7
arch/hexagon/kernel/process.c
Просмотреть файл

@ -112,13 +112,6 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
return 0;
}
/*
* Release any architecture-specific resources locked by thread
*/
void release_thread(struct task_struct *dead_task)
{
}
/*
* Some archs flush debug and FPU info here
*/

2
arch/ia64/configs/bigsur_defconfig
Просмотреть файл

@ -20,7 +20,6 @@ CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=m
CONFIG_ATA=m
@ -91,7 +90,6 @@ CONFIG_NFS_V4=m
CONFIG_NFSD=m
CONFIG_NFSD_V4=y
CONFIG_CIFS=m
CONFIG_CIFS_STATS=y
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
CONFIG_NLS_CODEPAGE_437=y

2
arch/ia64/configs/generic_defconfig
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@ -39,7 +39,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_CONNECTOR=y
# CONFIG_PNP_DEBUG_MESSAGES is not set
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_SGI_XP=m
@ -91,7 +90,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_HW_RANDOM is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_EFI=y
CONFIG_RAW_DRIVER=m
CONFIG_HPET=y
CONFIG_AGP=m
CONFIG_AGP_I460=m

3
arch/ia64/configs/gensparse_defconfig
Просмотреть файл

@ -31,11 +31,9 @@ CONFIG_IP_MULTICAST=y
CONFIG_SYN_COOKIES=y
# CONFIG_IPV6 is not set
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_ATA=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_ATA_GENERIC=y
CONFIG_PATA_CMD64X=y
CONFIG_ATA_PIIX=y
@ -81,7 +79,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_HW_RANDOM is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_EFI=y
CONFIG_RAW_DRIVER=m
CONFIG_HPET=y
CONFIG_AGP=m
CONFIG_AGP_I460=m

2
arch/ia64/configs/tiger_defconfig
Просмотреть файл

@ -36,7 +36,6 @@ CONFIG_IP_MULTICAST=y
CONFIG_SYN_COOKIES=y
# CONFIG_IPV6 is not set
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_ATA=y
@ -85,7 +84,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_HW_RANDOM is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_EFI=y
CONFIG_RAW_DRIVER=m
CONFIG_HPET=y
CONFIG_AGP=m
CONFIG_AGP_I460=m

1
arch/ia64/configs/zx1_defconfig
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@ -30,7 +30,6 @@ CONFIG_PATA_CMD64X=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_CHR_DEV_OSST=y
CONFIG_BLK_DEV_SR=y
CONFIG_CHR_DEV_SG=y
CONFIG_SCSI_CONSTANTS=y

7
arch/ia64/include/asm/processor.h
Просмотреть файл

@ -318,13 +318,6 @@ struct thread_struct {
struct mm_struct;
struct task_struct;
/*
* Free all resources held by a thread. This is called after the
* parent of DEAD_TASK has collected the exit status of the task via
* wait().
*/
#define release_thread(dead_task)
/* Get wait channel for task P. */
extern unsigned long __get_wchan (struct task_struct *p);

2
arch/ia64/kernel/mca.c
Просмотреть файл

@ -1793,7 +1793,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
p->parent = p->real_parent = p->group_leader = p;
INIT_LIST_HEAD(&p->children);
INIT_LIST_HEAD(&p->sibling);
strncpy(p->comm, type, sizeof(p->comm)-1);
strscpy(p->comm, type, sizeof(p->comm)-1);
}
/* Caller prevents this from being called after init */

2
arch/ia64/kernel/setup.c
Просмотреть файл

@ -552,7 +552,7 @@ setup_arch (char **cmdline_p)
ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
*cmdline_p = __va(ia64_boot_param->command_line);
strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
efi_init();
io_port_init();

26
arch/ia64/kernel/sys_ia64.c
Просмотреть файл

@ -166,3 +166,29 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
force_successful_syscall_return();
return addr;
}
asmlinkage long
ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *tp)
{
/*
* ia64's clock_gettime() syscall is implemented as a vdso call
* fsys_clock_gettime(). Currently it handles only
* CLOCK_REALTIME and CLOCK_MONOTONIC. Both are based on
* 'ar.itc' counter which gets incremented at a constant
* frequency. It's usually 400MHz, ~2.5x times slower than CPU
* clock frequency. Which is almost a 1ns hrtimer, but not quite.
*
* Let's special-case these timers to report correct precision
* based on ITC frequency and not HZ frequency for supported
* clocks.
*/
switch (which_clock) {
case CLOCK_REALTIME:
case CLOCK_MONOTONIC:
s64 tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
struct timespec64 rtn_tp = ns_to_timespec64(tick_ns);
return put_timespec64(&rtn_tp, tp);
}
return sys_clock_getres(which_clock, tp);
}

2
arch/ia64/kernel/syscalls/syscall.tbl
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@ -240,7 +240,7 @@
228 common timer_delete sys_timer_delete
229 common clock_settime sys_clock_settime
230 common clock_gettime sys_clock_gettime
231 common clock_getres sys_clock_getres
231 common clock_getres ia64_clock_getres
232 common clock_nanosleep sys_clock_nanosleep
233 common fstatfs64 sys_fstatfs64
234 common statfs64 sys_statfs64

3
arch/loongarch/include/asm/processor.h
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@ -176,9 +176,6 @@ struct thread_struct {
struct task_struct;
/* Free all resources held by a thread. */
#define release_thread(thread) do { } while (0)
enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_HALT, IDLE_NOMWAIT, IDLE_POLL};
extern unsigned long boot_option_idle_override;

5
arch/m68k/include/asm/processor.h
Просмотреть файл

@ -145,11 +145,6 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
/* Forward declaration, a strange C thing */
struct task_struct;
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
}
unsigned long __get_wchan(struct task_struct *p);
void show_registers(struct pt_regs *regs);

2
arch/microblaze/configs/mmu_defconfig
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@ -83,7 +83,7 @@ CONFIG_CIFS=y
CONFIG_CIFS_STATS2=y
CONFIG_ENCRYPTED_KEYS=y
CONFIG_DMA_CMA=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_KGDB=y
CONFIG_KGDB_TESTS=y
CONFIG_KGDB_KDB=y

5
arch/microblaze/include/asm/processor.h
Просмотреть файл

@ -63,11 +63,6 @@ struct thread_struct {
.pgdir = swapper_pg_dir, \
}
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
}
unsigned long __get_wchan(struct task_struct *p);
/* The size allocated for kernel stacks. This _must_ be a power of two! */

2
arch/mips/configs/bcm47xx_defconfig
Просмотреть файл

@ -72,7 +72,7 @@ CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_CRC32_SARWATE=y
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_INFO_REDUCED=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y

2
arch/mips/configs/cavium_octeon_defconfig
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@ -161,7 +161,7 @@ CONFIG_CRYPTO_SHA1_OCTEON=m
CONFIG_CRYPTO_SHA256_OCTEON=m
CONFIG_CRYPTO_SHA512_OCTEON=m
CONFIG_CRYPTO_DES=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_FS=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_SCHED_DEBUG is not set

2
arch/mips/configs/ci20_defconfig
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@ -199,7 +199,7 @@ CONFIG_NLS_UTF8=y
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=32
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y

2
arch/mips/configs/cu1000-neo_defconfig
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@ -113,7 +113,7 @@ CONFIG_PRINTK_TIME=y
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
CONFIG_CONSOLE_LOGLEVEL_QUIET=15
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y

2
arch/mips/configs/cu1830-neo_defconfig
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@ -116,7 +116,7 @@ CONFIG_PRINTK_TIME=y
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
CONFIG_CONSOLE_LOGLEVEL_QUIET=15
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y

2
arch/mips/configs/generic_defconfig
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@ -82,7 +82,7 @@ CONFIG_ROOT_NFS=y
# CONFIG_XZ_DEC_ARMTHUMB is not set
# CONFIG_XZ_DEC_SPARC is not set
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_INFO_REDUCED=y
CONFIG_DEBUG_FS=y
# CONFIG_SCHED_DEBUG is not set

2
arch/mips/configs/omega2p_defconfig
Просмотреть файл

@ -113,7 +113,7 @@ CONFIG_CRYPTO_LZO=y
CONFIG_CRC16=y
CONFIG_XZ_DEC=y
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
CONFIG_MAGIC_SYSRQ=y

2
arch/mips/configs/qi_lb60_defconfig
Просмотреть файл

@ -166,7 +166,7 @@ CONFIG_NLS_UTF8=y
CONFIG_FONTS=y
CONFIG_FONT_SUN8x16=y
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_READABLE_ASM=y
CONFIG_KGDB=y

2
arch/mips/configs/vocore2_defconfig
Просмотреть файл

@ -113,7 +113,7 @@ CONFIG_CRYPTO_LZO=y
CONFIG_CRC16=y
CONFIG_XZ_DEC=y
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
CONFIG_MAGIC_SYSRQ=y

3
arch/mips/include/asm/processor.h
Просмотреть файл

@ -344,9 +344,6 @@ struct thread_struct {
struct task_struct;
/* Free all resources held by a thread. */
#define release_thread(thread) do { } while(0)
/*
* Do necessary setup to start up a newly executed thread.
*/

2
arch/nios2/configs/10m50_defconfig
Просмотреть файл

@ -74,4 +74,4 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_ROOT_NFS=y
CONFIG_SUNRPC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y

2
arch/nios2/configs/3c120_defconfig
Просмотреть файл

@ -71,4 +71,4 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_ROOT_NFS=y
CONFIG_SUNRPC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y

5
arch/nios2/include/asm/processor.h
Просмотреть файл

@ -64,11 +64,6 @@ extern void start_thread(struct pt_regs *regs, unsigned long pc,
struct task_struct;
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
}
extern unsigned long __get_wchan(struct task_struct *p);
#define task_pt_regs(p) \

1
arch/openrisc/include/asm/processor.h
Просмотреть файл

@ -72,7 +72,6 @@ struct thread_struct {
void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
void release_thread(struct task_struct *);
unsigned long __get_wchan(struct task_struct *p);
#define cpu_relax() barrier()

4
arch/openrisc/kernel/process.c
Просмотреть файл

@ -125,10 +125,6 @@ void show_regs(struct pt_regs *regs)
show_registers(regs);
}
void release_thread(struct task_struct *dead_task)
{
}
/*
* Copy the thread-specific (arch specific) info from the current
* process to the new one p

3
arch/parisc/include/asm/processor.h
Просмотреть файл

@ -266,9 +266,6 @@ on downward growing arches, it looks like this:
struct mm_struct;
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
extern unsigned long __get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.regs.iaoq[0])

4
arch/parisc/kernel/process.c
Просмотреть файл

@ -146,10 +146,6 @@ void flush_thread(void)
*/
}
void release_thread(struct task_struct *dead_task)
{
}
/*
* Idle thread support
*

1
arch/powerpc/include/asm/processor.h
Просмотреть файл

@ -75,7 +75,6 @@ extern int _chrp_type;
struct task_struct;
void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
void release_thread(struct task_struct *);
#define TS_FPR(i) fp_state.fpr[i][TS_FPROFFSET]
#define TS_CKFPR(i) ckfp_state.fpr[i][TS_FPROFFSET]

5
arch/powerpc/kernel/process.c
Просмотреть файл

@ -1655,11 +1655,6 @@ EXPORT_SYMBOL_GPL(set_thread_tidr);
#endif /* CONFIG_PPC64 */
void
release_thread(struct task_struct *t)
{
}
/*
* this gets called so that we can store coprocessor state into memory and
* copy the current task into the new thread.

5
arch/riscv/include/asm/processor.h
Просмотреть файл

@ -65,11 +65,6 @@ static inline void arch_thread_struct_whitelist(unsigned long *offset,
extern void start_thread(struct pt_regs *regs,
unsigned long pc, unsigned long sp);
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
}
extern unsigned long __get_wchan(struct task_struct *p);

3
arch/s390/include/asm/processor.h
Просмотреть файл

@ -186,9 +186,6 @@ struct pt_regs;
void show_registers(struct pt_regs *regs);
void show_cacheinfo(struct seq_file *m);
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *tsk) { }
/* Free guarded storage control block */
void guarded_storage_release(struct task_struct *tsk);
void gs_load_bc_cb(struct pt_regs *regs);

2
arch/sh/configs/apsh4a3a_defconfig
Просмотреть файл

@ -85,7 +85,7 @@ CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
# CONFIG_FTRACE is not set
# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set

2
arch/sh/configs/apsh4ad0a_defconfig
Просмотреть файл

@ -116,7 +116,7 @@ CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_VM=y
CONFIG_DWARF_UNWINDER=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set

2
arch/sh/configs/edosk7760_defconfig
Просмотреть файл

@ -107,7 +107,7 @@ CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_CRYPTO=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_DES=y

2
arch/sh/configs/magicpanelr2_defconfig
Просмотреть файл

@ -84,7 +84,7 @@ CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_DEBUG_KOBJECT=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_FRAME_POINTER=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=m

2
arch/sh/configs/polaris_defconfig
Просмотреть файл

@ -79,5 +79,5 @@ CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_SG=y

2
arch/sh/configs/r7780mp_defconfig
Просмотреть файл

@ -101,7 +101,7 @@ CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_DEBUG_PREEMPT is not set
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_CRYPTO_ECB=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_HMAC=y

2
arch/sh/configs/r7785rp_defconfig
Просмотреть файл

@ -96,7 +96,7 @@ CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_PREEMPT is not set
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_DEBUG_LOCKING_API_SELFTESTS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_SH_STANDARD_BIOS=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_4KSTACKS=y

2
arch/sh/configs/rsk7203_defconfig
Просмотреть файл

@ -112,7 +112,7 @@ CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_SG=y

2
arch/sh/configs/sdk7780_defconfig
Просмотреть файл

@ -131,7 +131,7 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_SH_STANDARD_BIOS=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_DES=y

2
arch/sh/configs/se7712_defconfig
Просмотреть файл

@ -93,7 +93,7 @@ CONFIG_CRAMFS=y
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_FRAME_POINTER=y
CONFIG_CRYPTO_ECB=m
CONFIG_CRYPTO_PCBC=m

2
arch/sh/configs/se7721_defconfig
Просмотреть файл

@ -121,7 +121,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_932=y
CONFIG_NLS_ISO8859_1=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_FRAME_POINTER=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRC_CCITT=y

2
arch/sh/configs/sh2007_defconfig
Просмотреть файл

@ -159,7 +159,7 @@ CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_SCHED_DEBUG is not set
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_FRAME_POINTER=y
CONFIG_SH_STANDARD_BIOS=y
CONFIG_CRYPTO_NULL=y

2
arch/sh/configs/sh7757lcr_defconfig
Просмотреть файл

@ -80,6 +80,6 @@ CONFIG_NLS_ISO8859_1=y
CONFIG_DEBUG_KERNEL=y
# CONFIG_SCHED_DEBUG is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
# CONFIG_FTRACE is not set
# CONFIG_CRYPTO_ANSI_CPRNG is not set

2
arch/sh/configs/sh7785lcr_32bit_defconfig
Просмотреть файл

@ -141,7 +141,7 @@ CONFIG_DEBUG_KMEMLEAK=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_LATENCYTOP=y
# CONFIG_FTRACE is not set
CONFIG_CRYPTO_HMAC=y

2
arch/sh/configs/urquell_defconfig
Просмотреть файл

@ -138,7 +138,7 @@ CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_FRAME_POINTER=y
# CONFIG_FTRACE is not set
# CONFIG_DUMP_CODE is not set

3
arch/sh/include/asm/processor_32.h
Просмотреть файл

@ -127,9 +127,6 @@ struct task_struct;
extern void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp);
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
/*
* FPU lazy state save handling.
*/

5
arch/sh/kernel/process_32.c
Просмотреть файл

@ -84,11 +84,6 @@ void flush_thread(void)
#endif
}
void release_thread(struct task_struct *dead_task)
{
/* do nothing */
}
asmlinkage void ret_from_fork(void);
asmlinkage void ret_from_kernel_thread(void);

3
arch/sparc/include/asm/processor_32.h
Просмотреть файл

@ -80,9 +80,6 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
: "memory");
}
/* Free all resources held by a thread. */
#define release_thread(tsk) do { } while(0)
unsigned long __get_wchan(struct task_struct *);
#define task_pt_regs(tsk) ((tsk)->thread.kregs)

3
arch/sparc/include/asm/processor_64.h
Просмотреть файл

@ -176,9 +176,6 @@ do { \
regs->tstate &= ~TSTATE_PEF; \
} while (0)
/* Free all resources held by a thread. */
#define release_thread(tsk) do { } while (0)
unsigned long __get_wchan(struct task_struct *task);
#define task_pt_regs(tsk) (task_thread_info(tsk)->kregs)

2
arch/um/configs/i386_defconfig
Просмотреть файл

@ -69,5 +69,5 @@ CONFIG_JOLIET=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_NLS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_KERNEL=y

2
arch/um/configs/x86_64_defconfig
Просмотреть файл

@ -67,6 +67,6 @@ CONFIG_JOLIET=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_NLS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_FRAME_WARN=1024
CONFIG_DEBUG_KERNEL=y

4
arch/um/include/asm/processor-generic.h
Просмотреть файл

@ -55,10 +55,6 @@ struct thread_struct {
.request = { 0 } \
}
static inline void release_thread(struct task_struct *task)
{
}
/*
* User space process size: 3GB (default).
*/

3
arch/x86/include/asm/processor.h
Просмотреть файл

@ -587,9 +587,6 @@ static inline void load_sp0(unsigned long sp0)
#endif /* CONFIG_PARAVIRT_XXL */
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
unsigned long __get_wchan(struct task_struct *p);
/*

2
arch/xtensa/configs/audio_kc705_defconfig
Просмотреть файл

@ -120,7 +120,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set

2
arch/xtensa/configs/cadence_csp_defconfig
Просмотреть файл

@ -100,7 +100,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set

2
arch/xtensa/configs/generic_kc705_defconfig
Просмотреть файл

@ -107,7 +107,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set

2
arch/xtensa/configs/nommu_kc705_defconfig
Просмотреть файл

@ -105,7 +105,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
# CONFIG_FRAME_POINTER is not set
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_VM=y

2
arch/xtensa/configs/smp_lx200_defconfig
Просмотреть файл

@ -111,7 +111,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_VM=y
CONFIG_LOCKUP_DETECTOR=y

2
arch/xtensa/configs/virt_defconfig
Просмотреть файл

@ -97,7 +97,7 @@ CONFIG_CRYPTO_DEV_VIRTIO=y
CONFIG_FONTS=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_SCHEDSTATS=y

2
arch/xtensa/configs/xip_kc705_defconfig
Просмотреть файл

@ -102,7 +102,7 @@ CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_ANSI_CPRNG=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set

3
arch/xtensa/include/asm/processor.h
Просмотреть файл

@ -224,9 +224,6 @@ struct thread_struct {
struct task_struct;
struct mm_struct;
/* Free all resources held by a thread. */
#define release_thread(thread) do { } while(0)
extern unsigned long __get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)

9
fs/aio.c
Просмотреть файл

@ -951,16 +951,13 @@ static bool __get_reqs_available(struct kioctx *ctx)
local_irq_save(flags);
kcpu = this_cpu_ptr(ctx->cpu);
if (!kcpu->reqs_available) {
int old, avail = atomic_read(&ctx->reqs_available);
int avail = atomic_read(&ctx->reqs_available);
do {
if (avail < ctx->req_batch)
goto out;
old = avail;
avail = atomic_cmpxchg(&ctx->reqs_available,
avail, avail - ctx->req_batch);
} while (avail != old);
} while (!atomic_try_cmpxchg(&ctx->reqs_available,
&avail, avail - ctx->req_batch));
kcpu->reqs_available += ctx->req_batch;
}

14
fs/buffer.c
Просмотреть файл

@ -1453,19 +1453,15 @@ EXPORT_SYMBOL(set_bh_page);
static void discard_buffer(struct buffer_head * bh)
{
unsigned long b_state, b_state_old;
unsigned long b_state;
lock_buffer(bh);
clear_buffer_dirty(bh);
bh->b_bdev = NULL;
b_state = bh->b_state;
for (;;) {
b_state_old = cmpxchg(&bh->b_state, b_state,
(b_state & ~BUFFER_FLAGS_DISCARD));
if (b_state_old == b_state)
break;
b_state = b_state_old;
}
b_state = READ_ONCE(bh->b_state);
do {
} while (!try_cmpxchg(&bh->b_state, &b_state,
b_state & ~BUFFER_FLAGS_DISCARD));
unlock_buffer(bh);
}

2
fs/eventpoll.c
Просмотреть файл

@ -1065,7 +1065,7 @@ static inline bool list_add_tail_lockless(struct list_head *new,
* added to the list from another CPU: the winner observes
* new->next == new.
*/
if (cmpxchg(&new->next, new, head) != new)
if (!try_cmpxchg(&new->next, &new, head))
return false;
/*

32
fs/hfs/bnode.c
Просмотреть файл

@ -21,7 +21,6 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len)
int pagenum;
int bytes_read;
int bytes_to_read;
void *vaddr;
off += node->page_offset;
pagenum = off >> PAGE_SHIFT;
@ -33,9 +32,7 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len)
page = node->page[pagenum];
bytes_to_read = min_t(int, len - bytes_read, PAGE_SIZE - off);
vaddr = kmap_atomic(page);
memcpy(buf + bytes_read, vaddr + off, bytes_to_read);
kunmap_atomic(vaddr);
memcpy_from_page(buf + bytes_read, page, off, bytes_to_read);
pagenum++;
off = 0; /* page offset only applies to the first page */
@ -80,8 +77,7 @@ void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len)
off += node->page_offset;
page = node->page[0];
memcpy(kmap(page) + off, buf, len);
kunmap(page);
memcpy_to_page(page, off, buf, len);
set_page_dirty(page);
}
@ -105,8 +101,7 @@ void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)
off += node->page_offset;
page = node->page[0];
memset(kmap(page) + off, 0, len);
kunmap(page);
memzero_page(page, off, len);
set_page_dirty(page);
}
@ -123,9 +118,7 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
src_page = src_node->page[0];
dst_page = dst_node->page[0];
memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len);
kunmap(src_page);
kunmap(dst_page);
memcpy_page(dst_page, dst, src_page, src, len);
set_page_dirty(dst_page);
}
@ -140,9 +133,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)
src += node->page_offset;
dst += node->page_offset;
page = node->page[0];
ptr = kmap(page);
ptr = kmap_local_page(page);
memmove(ptr + dst, ptr + src, len);
kunmap(page);
kunmap_local(ptr);
set_page_dirty(page);
}
@ -346,13 +339,14 @@ struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num)
if (!test_bit(HFS_BNODE_NEW, &node->flags))
return node;
desc = (struct hfs_bnode_desc *)(kmap(node->page[0]) + node->page_offset);
desc = (struct hfs_bnode_desc *)(kmap_local_page(node->page[0]) +
node->page_offset);
node->prev = be32_to_cpu(desc->prev);
node->next = be32_to_cpu(desc->next);
node->num_recs = be16_to_cpu(desc->num_recs);
node->type = desc->type;
node->height = desc->height;
kunmap(node->page[0]);
kunmap_local(desc);
switch (node->type) {
case HFS_NODE_HEADER:
@ -436,14 +430,12 @@ struct hfs_bnode *hfs_bnode_create(struct hfs_btree *tree, u32 num)
}
pagep = node->page;
memset(kmap(*pagep) + node->page_offset, 0,
min((int)PAGE_SIZE, (int)tree->node_size));
memzero_page(*pagep, node->page_offset,
min((int)PAGE_SIZE, (int)tree->node_size));
set_page_dirty(*pagep);
kunmap(*pagep);
for (i = 1; i < tree->pages_per_bnode; i++) {
memset(kmap(*++pagep), 0, PAGE_SIZE);
memzero_page(*++pagep, 0, PAGE_SIZE);
set_page_dirty(*pagep);
kunmap(*pagep);
}
clear_bit(HFS_BNODE_NEW, &node->flags);
wake_up(&node->lock_wq);

29
fs/hfs/btree.c
Просмотреть файл

@ -80,7 +80,8 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
goto free_inode;
/* Load the header */
head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc));
head = (struct hfs_btree_header_rec *)(kmap_local_page(page) +
sizeof(struct hfs_bnode_desc));
tree->root = be32_to_cpu(head->root);
tree->leaf_count = be32_to_cpu(head->leaf_count);
tree->leaf_head = be32_to_cpu(head->leaf_head);
@ -119,11 +120,12 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
tree->node_size_shift = ffs(size) - 1;
tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
kunmap(page);
kunmap_local(head);
put_page(page);
return tree;
fail_page:
kunmap_local(head);
put_page(page);
free_inode:
tree->inode->i_mapping->a_ops = &hfs_aops;
@ -169,7 +171,8 @@ void hfs_btree_write(struct hfs_btree *tree)
return;
/* Load the header */
page = node->page[0];
head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc));
head = (struct hfs_btree_header_rec *)(kmap_local_page(page) +
sizeof(struct hfs_bnode_desc));
head->root = cpu_to_be32(tree->root);
head->leaf_count = cpu_to_be32(tree->leaf_count);
@ -180,7 +183,7 @@ void hfs_btree_write(struct hfs_btree *tree)
head->attributes = cpu_to_be32(tree->attributes);
head->depth = cpu_to_be16(tree->depth);
kunmap(page);
kunmap_local(head);
set_page_dirty(page);
hfs_bnode_put(node);
}
@ -268,7 +271,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
off += node->page_offset;
pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
data = kmap_local_page(*pagep);
off &= ~PAGE_MASK;
idx = 0;
@ -281,7 +284,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
idx += i;
data[off] |= m;
set_page_dirty(*pagep);
kunmap(*pagep);
kunmap_local(data);
tree->free_nodes--;
mark_inode_dirty(tree->inode);
hfs_bnode_put(node);
@ -290,14 +293,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
}
}
if (++off >= PAGE_SIZE) {
kunmap(*pagep);
data = kmap(*++pagep);
kunmap_local(data);
data = kmap_local_page(*++pagep);
off = 0;
}
idx += 8;
len--;
}
kunmap(*pagep);
kunmap_local(data);
nidx = node->next;
if (!nidx) {
printk(KERN_DEBUG "create new bmap node...\n");
@ -313,7 +316,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
off = off16;
off += node->page_offset;
pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
data = kmap_local_page(*pagep);
off &= ~PAGE_MASK;
}
}
@ -360,20 +363,20 @@ void hfs_bmap_free(struct hfs_bnode *node)
}
off += node->page_offset + nidx / 8;
page = node->page[off >> PAGE_SHIFT];
data = kmap(page);
data = kmap_local_page(page);
off &= ~PAGE_MASK;
m = 1 << (~nidx & 7);
byte = data[off];
if (!(byte & m)) {
pr_crit("trying to free free bnode %u(%d)\n",
node->this, node->type);
kunmap(page);
kunmap_local(data);
hfs_bnode_put(node);
return;
}
data[off] = byte & ~m;
set_page_dirty(page);
kunmap(page);
kunmap_local(data);
hfs_bnode_put(node);
tree->free_nodes++;
mark_inode_dirty(tree->inode);

20
fs/hfsplus/bitmap.c
Просмотреть файл

@ -39,7 +39,7 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size,
start = size;
goto out;
}
pptr = kmap(page);
pptr = kmap_local_page(page);
curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32;
i = offset % 32;
offset &= ~(PAGE_CACHE_BITS - 1);
@ -74,7 +74,7 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size,
}
curr++;
}
kunmap(page);
kunmap_local(pptr);
offset += PAGE_CACHE_BITS;
if (offset >= size)
break;
@ -84,7 +84,7 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size,
start = size;
goto out;
}
curr = pptr = kmap(page);
curr = pptr = kmap_local_page(page);
if ((size ^ offset) / PAGE_CACHE_BITS)
end = pptr + PAGE_CACHE_BITS / 32;
else
@ -127,7 +127,7 @@ found:
len -= 32;
}
set_page_dirty(page);
kunmap(page);
kunmap_local(pptr);
offset += PAGE_CACHE_BITS;
page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS,
NULL);
@ -135,7 +135,7 @@ found:
start = size;
goto out;
}
pptr = kmap(page);
pptr = kmap_local_page(page);
curr = pptr;
end = pptr + PAGE_CACHE_BITS / 32;
}
@ -151,7 +151,7 @@ last:
done:
*curr = cpu_to_be32(n);
set_page_dirty(page);
kunmap(page);
kunmap_local(pptr);
*max = offset + (curr - pptr) * 32 + i - start;
sbi->free_blocks -= *max;
hfsplus_mark_mdb_dirty(sb);
@ -185,7 +185,7 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count)
page = read_mapping_page(mapping, pnr, NULL);
if (IS_ERR(page))
goto kaboom;
pptr = kmap(page);
pptr = kmap_local_page(page);
curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32;
end = pptr + PAGE_CACHE_BITS / 32;
len = count;
@ -215,11 +215,11 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count)
if (!count)
break;
set_page_dirty(page);
kunmap(page);
kunmap_local(pptr);
page = read_mapping_page(mapping, ++pnr, NULL);
if (IS_ERR(page))
goto kaboom;
pptr = kmap(page);
pptr = kmap_local_page(page);
curr = pptr;
end = pptr + PAGE_CACHE_BITS / 32;
}
@ -231,7 +231,7 @@ done:
}
out:
set_page_dirty(page);
kunmap(page);
kunmap_local(pptr);
sbi->free_blocks += len;
hfsplus_mark_mdb_dirty(sb);
mutex_unlock(&sbi->alloc_mutex);

105
fs/hfsplus/bnode.c
Просмотреть файл

@ -29,14 +29,12 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len)
off &= ~PAGE_MASK;
l = min_t(int, len, PAGE_SIZE - off);
memcpy(buf, kmap(*pagep) + off, l);
kunmap(*pagep);
memcpy_from_page(buf, *pagep, off, l);
while ((len -= l) != 0) {
buf += l;
l = min_t(int, len, PAGE_SIZE);
memcpy(buf, kmap(*++pagep), l);
kunmap(*pagep);
memcpy_from_page(buf, *++pagep, 0, l);
}
}
@ -82,16 +80,14 @@ void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len)
off &= ~PAGE_MASK;
l = min_t(int, len, PAGE_SIZE - off);
memcpy(kmap(*pagep) + off, buf, l);
memcpy_to_page(*pagep, off, buf, l);
set_page_dirty(*pagep);
kunmap(*pagep);
while ((len -= l) != 0) {
buf += l;
l = min_t(int, len, PAGE_SIZE);
memcpy(kmap(*++pagep), buf, l);
memcpy_to_page(*++pagep, 0, buf, l);
set_page_dirty(*pagep);
kunmap(*pagep);
}
}
@ -112,15 +108,13 @@ void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)
off &= ~PAGE_MASK;
l = min_t(int, len, PAGE_SIZE - off);
memset(kmap(*pagep) + off, 0, l);
memzero_page(*pagep, off, l);
set_page_dirty(*pagep);
kunmap(*pagep);
while ((len -= l) != 0) {
l = min_t(int, len, PAGE_SIZE);
memset(kmap(*++pagep), 0, l);
memzero_page(*++pagep, 0, l);
set_page_dirty(*pagep);
kunmap(*pagep);
}
}
@ -142,24 +136,20 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
if (src == dst) {
l = min_t(int, len, PAGE_SIZE - src);
memcpy(kmap(*dst_page) + src, kmap(*src_page) + src, l);
kunmap(*src_page);
memcpy_page(*dst_page, src, *src_page, src, l);
set_page_dirty(*dst_page);
kunmap(*dst_page);
while ((len -= l) != 0) {
l = min_t(int, len, PAGE_SIZE);
memcpy(kmap(*++dst_page), kmap(*++src_page), l);
kunmap(*src_page);
memcpy_page(*++dst_page, 0, *++src_page, 0, l);
set_page_dirty(*dst_page);
kunmap(*dst_page);
}
} else {
void *src_ptr, *dst_ptr;
do {
src_ptr = kmap(*src_page) + src;
dst_ptr = kmap(*dst_page) + dst;
dst_ptr = kmap_local_page(*dst_page) + dst;
src_ptr = kmap_local_page(*src_page) + src;
if (PAGE_SIZE - src < PAGE_SIZE - dst) {
l = PAGE_SIZE - src;
src = 0;
@ -171,9 +161,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
}
l = min(len, l);
memcpy(dst_ptr, src_ptr, l);
kunmap(*src_page);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
if (!dst)
dst_page++;
else
@ -185,6 +175,7 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)
{
struct page **src_page, **dst_page;
void *src_ptr, *dst_ptr;
int l;
hfs_dbg(BNODE_MOD, "movebytes: %u,%u,%u\n", dst, src, len);
@ -202,27 +193,28 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)
if (src == dst) {
while (src < len) {
memmove(kmap(*dst_page), kmap(*src_page), src);
kunmap(*src_page);
dst_ptr = kmap_local_page(*dst_page);
src_ptr = kmap_local_page(*src_page);
memmove(dst_ptr, src_ptr, src);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
len -= src;
src = PAGE_SIZE;
src_page--;
dst_page--;
}
src -= len;
memmove(kmap(*dst_page) + src,
kmap(*src_page) + src, len);
kunmap(*src_page);
dst_ptr = kmap_local_page(*dst_page);
src_ptr = kmap_local_page(*src_page);
memmove(dst_ptr + src, src_ptr + src, len);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
} else {
void *src_ptr, *dst_ptr;
do {
src_ptr = kmap(*src_page) + src;
dst_ptr = kmap(*dst_page) + dst;
dst_ptr = kmap_local_page(*dst_page) + dst;
src_ptr = kmap_local_page(*src_page) + src;
if (src < dst) {
l = src;
src = PAGE_SIZE;
@ -234,9 +226,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)
}
l = min(len, l);
memmove(dst_ptr - l, src_ptr - l, l);
kunmap(*src_page);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
if (dst == PAGE_SIZE)
dst_page--;
else
@ -251,26 +243,27 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)
if (src == dst) {
l = min_t(int, len, PAGE_SIZE - src);
memmove(kmap(*dst_page) + src,
kmap(*src_page) + src, l);
kunmap(*src_page);
dst_ptr = kmap_local_page(*dst_page) + src;
src_ptr = kmap_local_page(*src_page) + src;
memmove(dst_ptr, src_ptr, l);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
while ((len -= l) != 0) {
l = min_t(int, len, PAGE_SIZE);
memmove(kmap(*++dst_page),
kmap(*++src_page), l);
kunmap(*src_page);
dst_ptr = kmap_local_page(*++dst_page);
src_ptr = kmap_local_page(*++src_page);
memmove(dst_ptr, src_ptr, l);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
}
} else {
void *src_ptr, *dst_ptr;
do {
src_ptr = kmap(*src_page) + src;
dst_ptr = kmap(*dst_page) + dst;
dst_ptr = kmap_local_page(*dst_page) + dst;
src_ptr = kmap_local_page(*src_page) + src;
if (PAGE_SIZE - src <
PAGE_SIZE - dst) {
l = PAGE_SIZE - src;
@ -283,9 +276,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len)
}
l = min(len, l);
memmove(dst_ptr, src_ptr, l);
kunmap(*src_page);
kunmap_local(src_ptr);
set_page_dirty(*dst_page);
kunmap(*dst_page);
kunmap_local(dst_ptr);
if (!dst)
dst_page++;
else
@ -498,14 +491,14 @@ struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num)
if (!test_bit(HFS_BNODE_NEW, &node->flags))
return node;
desc = (struct hfs_bnode_desc *)(kmap(node->page[0]) +
node->page_offset);
desc = (struct hfs_bnode_desc *)(kmap_local_page(node->page[0]) +
node->page_offset);
node->prev = be32_to_cpu(desc->prev);
node->next = be32_to_cpu(desc->next);
node->num_recs = be16_to_cpu(desc->num_recs);
node->type = desc->type;
node->height = desc->height;
kunmap(node->page[0]);
kunmap_local(desc);
switch (node->type) {
case HFS_NODE_HEADER:
@ -589,14 +582,12 @@ struct hfs_bnode *hfs_bnode_create(struct hfs_btree *tree, u32 num)
}
pagep = node->page;
memset(kmap(*pagep) + node->page_offset, 0,
min_t(int, PAGE_SIZE, tree->node_size));
memzero_page(*pagep, node->page_offset,
min_t(int, PAGE_SIZE, tree->node_size));
set_page_dirty(*pagep);
kunmap(*pagep);
for (i = 1; i < tree->pages_per_bnode; i++) {
memset(kmap(*++pagep), 0, PAGE_SIZE);
memzero_page(*++pagep, 0, PAGE_SIZE);
set_page_dirty(*pagep);
kunmap(*pagep);
}
clear_bit(HFS_BNODE_NEW, &node->flags);
wake_up(&node->lock_wq);

27
fs/hfsplus/btree.c
Просмотреть файл

@ -163,7 +163,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
goto free_inode;
/* Load the header */
head = (struct hfs_btree_header_rec *)(kmap(page) +
head = (struct hfs_btree_header_rec *)(kmap_local_page(page) +
sizeof(struct hfs_bnode_desc));
tree->root = be32_to_cpu(head->root);
tree->leaf_count = be32_to_cpu(head->leaf_count);
@ -240,11 +240,12 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
(tree->node_size + PAGE_SIZE - 1) >>
PAGE_SHIFT;
kunmap(page);
kunmap_local(head);
put_page(page);
return tree;
fail_page:
kunmap_local(head);
put_page(page);
free_inode:
tree->inode->i_mapping->a_ops = &hfsplus_aops;
@ -291,7 +292,7 @@ int hfs_btree_write(struct hfs_btree *tree)
return -EIO;
/* Load the header */
page = node->page[0];
head = (struct hfs_btree_header_rec *)(kmap(page) +
head = (struct hfs_btree_header_rec *)(kmap_local_page(page) +
sizeof(struct hfs_bnode_desc));
head->root = cpu_to_be32(tree->root);
@ -303,7 +304,7 @@ int hfs_btree_write(struct hfs_btree *tree)
head->attributes = cpu_to_be32(tree->attributes);
head->depth = cpu_to_be16(tree->depth);
kunmap(page);
kunmap_local(head);
set_page_dirty(page);
hfs_bnode_put(node);
return 0;
@ -394,7 +395,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
off += node->page_offset;
pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
data = kmap_local_page(*pagep);
off &= ~PAGE_MASK;
idx = 0;
@ -407,7 +408,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
idx += i;
data[off] |= m;
set_page_dirty(*pagep);
kunmap(*pagep);
kunmap_local(data);
tree->free_nodes--;
mark_inode_dirty(tree->inode);
hfs_bnode_put(node);
@ -417,14 +418,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
}
}
if (++off >= PAGE_SIZE) {
kunmap(*pagep);
data = kmap(*++pagep);
kunmap_local(data);
data = kmap_local_page(*++pagep);
off = 0;
}
idx += 8;
len--;
}
kunmap(*pagep);
kunmap_local(data);
nidx = node->next;
if (!nidx) {
hfs_dbg(BNODE_MOD, "create new bmap node\n");
@ -440,7 +441,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
off = off16;
off += node->page_offset;
pagep = node->page + (off >> PAGE_SHIFT);
data = kmap(*pagep);
data = kmap_local_page(*pagep);
off &= ~PAGE_MASK;
}
}
@ -490,7 +491,7 @@ void hfs_bmap_free(struct hfs_bnode *node)
}
off += node->page_offset + nidx / 8;
page = node->page[off >> PAGE_SHIFT];
data = kmap(page);
data = kmap_local_page(page);
off &= ~PAGE_MASK;
m = 1 << (~nidx & 7);
byte = data[off];
@ -498,13 +499,13 @@ void hfs_bmap_free(struct hfs_bnode *node)
pr_crit("trying to free free bnode "
"%u(%d)\n",
node->this, node->type);
kunmap(page);
kunmap_local(data);
hfs_bnode_put(node);
return;
}
data[off] = byte & ~m;
set_page_dirty(page);
kunmap(page);
kunmap_local(data);
hfs_bnode_put(node);
tree->free_nodes++;
mark_inode_dirty(tree->inode);

20
fs/isofs/compress.c
Просмотреть файл

@ -67,8 +67,7 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start,
for ( i = 0 ; i < pcount ; i++ ) {
if (!pages[i])
continue;
memset(page_address(pages[i]), 0, PAGE_SIZE);
flush_dcache_page(pages[i]);
memzero_page(pages[i], 0, PAGE_SIZE);
SetPageUptodate(pages[i]);
}
return ((loff_t)pcount) << PAGE_SHIFT;
@ -120,7 +119,7 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start,
zerr != Z_STREAM_END) {
if (!stream.avail_out) {
if (pages[curpage]) {
stream.next_out = page_address(pages[curpage])
stream.next_out = kmap_local_page(pages[curpage])
+ poffset;
stream.avail_out = PAGE_SIZE - poffset;
poffset = 0;
@ -176,6 +175,10 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start,
flush_dcache_page(pages[curpage]);
SetPageUptodate(pages[curpage]);
}
if (stream.next_out != (unsigned char *)zisofs_sink_page) {
kunmap_local(stream.next_out);
stream.next_out = NULL;
}
curpage++;
}
if (!stream.avail_in)
@ -183,6 +186,8 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start,
}
inflate_out:
zlib_inflateEnd(&stream);
if (stream.next_out && stream.next_out != (unsigned char *)zisofs_sink_page)
kunmap_local(stream.next_out);
z_eio:
mutex_unlock(&zisofs_zlib_lock);
@ -283,9 +288,7 @@ static int zisofs_fill_pages(struct inode *inode, int full_page, int pcount,
}
if (poffset && *pages) {
memset(page_address(*pages) + poffset, 0,
PAGE_SIZE - poffset);
flush_dcache_page(*pages);
memzero_page(*pages, poffset, PAGE_SIZE - poffset);
SetPageUptodate(*pages);
}
return 0;
@ -343,10 +346,8 @@ static int zisofs_read_folio(struct file *file, struct folio *folio)
for (i = 0; i < pcount; i++, index++) {
if (i != full_page)
pages[i] = grab_cache_page_nowait(mapping, index);
if (pages[i]) {
if (pages[i])
ClearPageError(pages[i]);
kmap(pages[i]);
}
}
err = zisofs_fill_pages(inode, full_page, pcount, pages);
@ -357,7 +358,6 @@ static int zisofs_read_folio(struct file *file, struct folio *folio)
flush_dcache_page(pages[i]);
if (i == full_page && err)
SetPageError(pages[i]);
kunmap(pages[i]);
unlock_page(pages[i]);
if (i != full_page)
put_page(pages[i]);

46
fs/libfs.c
Просмотреть файл

@ -15,6 +15,7 @@
#include <linux/mutex.h>
#include <linux/namei.h>
#include <linux/exportfs.h>
#include <linux/iversion.h>
#include <linux/writeback.h>
#include <linux/buffer_head.h> /* sync_mapping_buffers */
#include <linux/fs_context.h>
@ -1520,3 +1521,48 @@ void generic_set_encrypted_ci_d_ops(struct dentry *dentry)
#endif
}
EXPORT_SYMBOL(generic_set_encrypted_ci_d_ops);
/**
* inode_maybe_inc_iversion - increments i_version
* @inode: inode with the i_version that should be updated
* @force: increment the counter even if it's not necessary?
*
* Every time the inode is modified, the i_version field must be seen to have
* changed by any observer.
*
* If "force" is set or the QUERIED flag is set, then ensure that we increment
* the value, and clear the queried flag.
*
* In the common case where neither is set, then we can return "false" without
* updating i_version.
*
* If this function returns false, and no other metadata has changed, then we
* can avoid logging the metadata.
*/
bool inode_maybe_inc_iversion(struct inode *inode, bool force)
{
u64 cur, new;
/*
* The i_version field is not strictly ordered with any other inode
* information, but the legacy inode_inc_iversion code used a spinlock
* to serialize increments.
*
* Here, we add full memory barriers to ensure that any de-facto
* ordering with other info is preserved.
*
* This barrier pairs with the barrier in inode_query_iversion()
*/
smp_mb();
cur = inode_peek_iversion_raw(inode);
do {
/* If flag is clear then we needn't do anything */
if (!force && !(cur & I_VERSION_QUERIED))
return false;
/* Since lowest bit is flag, add 2 to avoid it */
new = (cur & ~I_VERSION_QUERIED) + I_VERSION_INCREMENT;
} while (!atomic64_try_cmpxchg(&inode->i_version, &cur, new));
return true;
}
EXPORT_SYMBOL(inode_maybe_inc_iversion);

6
fs/nilfs2/btree.c
Просмотреть файл

@ -1668,8 +1668,7 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key)
maxkey = nilfs_btree_node_get_key(node, nchildren - 1);
nextmaxkey = (nchildren > 1) ?
nilfs_btree_node_get_key(node, nchildren - 2) : 0;
if (bh != NULL)
brelse(bh);
brelse(bh);
return (maxkey == key) && (nextmaxkey < NILFS_BMAP_LARGE_LOW);
}
@ -1717,8 +1716,7 @@ static int nilfs_btree_gather_data(struct nilfs_bmap *btree,
ptrs[i] = le64_to_cpu(dptrs[i]);
}
if (bh != NULL)
brelse(bh);
brelse(bh);
return nitems;
}

18
fs/nilfs2/segment.c
Просмотреть файл

@ -875,9 +875,11 @@ static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci)
nilfs_mdt_mark_dirty(nilfs->ns_cpfile);
nilfs_cpfile_put_checkpoint(
nilfs->ns_cpfile, nilfs->ns_cno, bh_cp);
} else
WARN_ON(err == -EINVAL || err == -ENOENT);
} else if (err == -EINVAL || err == -ENOENT) {
nilfs_error(sci->sc_super,
"checkpoint creation failed due to metadata corruption.");
err = -EIO;
}
return err;
}
@ -891,7 +893,11 @@ static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci)
err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, nilfs->ns_cno, 0,
&raw_cp, &bh_cp);
if (unlikely(err)) {
WARN_ON(err == -EINVAL || err == -ENOENT);
if (err == -EINVAL || err == -ENOENT) {
nilfs_error(sci->sc_super,
"checkpoint finalization failed due to metadata corruption.");
err = -EIO;
}
goto failed_ibh;
}
raw_cp->cp_snapshot_list.ssl_next = 0;
@ -2235,7 +2241,6 @@ int nilfs_construct_segment(struct super_block *sb)
struct the_nilfs *nilfs = sb->s_fs_info;
struct nilfs_sc_info *sci = nilfs->ns_writer;
struct nilfs_transaction_info *ti;
int err;
if (!sci)
return -EROFS;
@ -2243,8 +2248,7 @@ int nilfs_construct_segment(struct super_block *sb)
/* A call inside transactions causes a deadlock. */
BUG_ON((ti = current->journal_info) && ti->ti_magic == NILFS_TI_MAGIC);
err = nilfs_segctor_sync(sci);
return err;
return nilfs_segctor_sync(sci);
}
/**

28
fs/ntfs/attrib.c
Просмотреть файл

@ -594,17 +594,37 @@ static int ntfs_attr_find(const ATTR_TYPE type, const ntfschar *name,
for (;; a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))) {
u8 *mrec_end = (u8 *)ctx->mrec +
le32_to_cpu(ctx->mrec->bytes_allocated);
u8 *name_end = (u8 *)a + le16_to_cpu(a->name_offset) +
a->name_length * sizeof(ntfschar);
if ((u8*)a < (u8*)ctx->mrec || (u8*)a > mrec_end ||
name_end > mrec_end)
u8 *name_end;
/* check whether ATTR_RECORD wrap */
if ((u8 *)a < (u8 *)ctx->mrec)
break;
/* check whether Attribute Record Header is within bounds */
if ((u8 *)a > mrec_end ||
(u8 *)a + sizeof(ATTR_RECORD) > mrec_end)
break;
/* check whether ATTR_RECORD's name is within bounds */
name_end = (u8 *)a + le16_to_cpu(a->name_offset) +
a->name_length * sizeof(ntfschar);
if (name_end > mrec_end)
break;
ctx->attr = a;
if (unlikely(le32_to_cpu(a->type) > le32_to_cpu(type) ||
a->type == AT_END))
return -ENOENT;
if (unlikely(!a->length))
break;
/* check whether ATTR_RECORD's length wrap */
if ((u8 *)a + le32_to_cpu(a->length) < (u8 *)a)
break;
/* check whether ATTR_RECORD's length is within bounds */
if ((u8 *)a + le32_to_cpu(a->length) > mrec_end)
break;
if (a->type != type)
continue;
/*

7
fs/ntfs/inode.c
Просмотреть файл

@ -1829,6 +1829,13 @@ int ntfs_read_inode_mount(struct inode *vi)
goto err_out;
}
/* Sanity check offset to the first attribute */
if (le16_to_cpu(m->attrs_offset) >= le32_to_cpu(m->bytes_allocated)) {
ntfs_error(sb, "Incorrect mft offset to the first attribute %u in superblock.",
le16_to_cpu(m->attrs_offset));
goto err_out;
}
/* Need this to sanity check attribute list references to $MFT. */
vi->i_generation = ni->seq_no = le16_to_cpu(m->sequence_number);

8
fs/ocfs2/ocfs2_fs.h
Просмотреть файл

@ -527,7 +527,7 @@ struct ocfs2_extent_block
* value -1 (0xFFFF) is OCFS2_INVALID_SLOT. This marks a slot empty.
*/
struct ocfs2_slot_map {
/*00*/ __le16 sm_slots[0];
/*00*/ DECLARE_FLEX_ARRAY(__le16, sm_slots);
/*
* Actual on-disk size is one block. OCFS2_MAX_SLOTS is 255,
* 255 * sizeof(__le16) == 512B, within the 512B block minimum blocksize.
@ -548,7 +548,7 @@ struct ocfs2_extended_slot {
* i_size.
*/
struct ocfs2_slot_map_extended {
/*00*/ struct ocfs2_extended_slot se_slots[0];
/*00*/ DECLARE_FLEX_ARRAY(struct ocfs2_extended_slot, se_slots);
/*
* Actual size is i_size of the slot_map system file. It should
* match s_max_slots * sizeof(struct ocfs2_extended_slot)
@ -727,7 +727,7 @@ struct ocfs2_dinode {
struct ocfs2_extent_list i_list;
struct ocfs2_truncate_log i_dealloc;
struct ocfs2_inline_data i_data;
__u8 i_symlink[0];
DECLARE_FLEX_ARRAY(__u8, i_symlink);
} id2;
/* Actual on-disk size is one block */
};
@ -892,7 +892,7 @@ struct ocfs2_group_desc
/*30*/ struct ocfs2_block_check bg_check; /* Error checking */
__le64 bg_reserved2;
/*40*/ union {
__u8 bg_bitmap[0];
DECLARE_FLEX_ARRAY(__u8, bg_bitmap);
struct {
/*
* Block groups may be discontiguous when

2
fs/ocfs2/refcounttree.c
Просмотреть файл

@ -2614,7 +2614,7 @@ static inline unsigned int ocfs2_cow_align_length(struct super_block *sb,
}
/*
* Calculate out the start and number of virtual clusters we need to to CoW.
* Calculate out the start and number of virtual clusters we need to CoW.
*
* cpos is vitual start cluster position we want to do CoW in a
* file and write_len is the cluster length.

4
fs/ocfs2/stackglue.c
Просмотреть файл

@ -334,10 +334,10 @@ int ocfs2_cluster_connect(const char *stack_name,
goto out;
}
strlcpy(new_conn->cc_name, group, GROUP_NAME_MAX + 1);
strscpy(new_conn->cc_name, group, GROUP_NAME_MAX + 1);
new_conn->cc_namelen = grouplen;
if (cluster_name_len)
strlcpy(new_conn->cc_cluster_name, cluster_name,
strscpy(new_conn->cc_cluster_name, cluster_name,
CLUSTER_NAME_MAX + 1);
new_conn->cc_cluster_name_len = cluster_name_len;
new_conn->cc_recovery_handler = recovery_handler;

2
fs/ocfs2/suballoc.h
Просмотреть файл

@ -106,7 +106,7 @@ int ocfs2_claim_clusters(handle_t *handle,
u32 *cluster_start,
u32 *num_clusters);
/*
* Use this variant of ocfs2_claim_clusters to specify a maxiumum
* Use this variant of ocfs2_claim_clusters to specify a maximum
* number of clusters smaller than the allocation reserved.
*/
int __ocfs2_claim_clusters(handle_t *handle,

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