F: drivers/platform/x86/acer-wmi.c
ACPI
- M: Rafael J. Wysocki <rjw@rjwysocki.net>
+ M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Len Brown <lenb@kernel.org>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
ACPI COMPONENT ARCHITECTURE (ACPICA)
M: Robert Moore <robert.moore@intel.com>
M: Lv Zheng <lv.zheng@intel.com>
- M: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
L: linux-acpi@vger.kernel.org
L: devel@acpica.org
W: https://acpica.org/
T: git git://github.com/ulli-kroll/linux.git
S: Maintained
F: arch/arm/mach-gemini/
+F: drivers/rtc/rtc-gemini.c
ARM/CSR SIRFPRIMA2 MACHINE SUPPORT
M: Barry Song <baohua@kernel.org>
S: Maintained
F: arch/arm/mach-orion5x/ts78xx-*
+ARM/Mediatek RTC DRIVER
+M: Eddie Huang <eddie.huang@mediatek.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/rtc/rtc-mt6397.c
+
ARM/Mediatek SoC support
M: Matthias Brugger <matthias.bgg@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained:
F: drivers/md/bcache/
+BDISP ST MEDIA DRIVER
+M: Fabien Dessenne <fabien.dessenne@st.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Supported
+F: drivers/media/platform/sti/bdisp
+
BEFS FILE SYSTEM
S: Orphan
F: Documentation/filesystems/befs.txt
T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: block/
+F: kernel/trace/blktrace.c
BLOCK2MTD DRIVER
M: Joern Engel <joern@lazybastard.org>
F: arch/powerpc/platforms/cell/
CEPH DISTRIBUTED FILE SYSTEM CLIENT
- M: Yan, Zheng <zyan@redhat.com>
+ M: "Yan, Zheng" <zyan@redhat.com>
M: Sage Weil <sage@redhat.com>
L: ceph-devel@vger.kernel.org
W: http://ceph.com/
S: Supported
F: drivers/platform/x86/classmate-laptop.c
+COBALT MEDIA DRIVER
+M: Hans Verkuil <hans.verkuil@cisco.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Supported
+F: drivers/media/pci/cobalt/
+
COCCINELLE/Semantic Patches (SmPL)
M: Julia Lawall <Julia.Lawall@lip6.fr>
M: Gilles Muller <Gilles.Muller@lip6.fr>
F: drivers/net/ethernet/ti/cpmac.c
CPU FREQUENCY DRIVERS
- M: Rafael J. Wysocki <rjw@rjwysocki.net>
+ M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Viresh Kumar <viresh.kumar@linaro.org>
L: linux-pm@vger.kernel.org
S: Maintained
F: arch/arm/mach-exynos/pm.c
CPUIDLE DRIVERS
- M: Rafael J. Wysocki <rjw@rjwysocki.net>
+ M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Daniel Lezcano <daniel.lezcano@linaro.org>
L: linux-pm@vger.kernel.org
S: Maintained
F: drivers/media/common/cx2341x*
F: include/media/cx2341x*
+CX24120 MEDIA DRIVER
+M: Jemma Denson <jdenson@gmail.com>
+M: Patrick Boettcher <patrick.boettcher@posteo.de>
+L: linux-media@vger.kernel.org
+W: http://linuxtv.org/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+S: Maintained
+F: drivers/media/dvb-frontends/cx24120*
+
CX88 VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
DMI/SMBIOS SUPPORT
M: Jean Delvare <jdelvare@suse.de>
S: Maintained
+T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-dmi/
+F: Documentation/ABI/testing/sysfs-firmware-dmi-tables
F: drivers/firmware/dmi-id.c
F: drivers/firmware/dmi_scan.c
F: include/linux/dmi.h
S: Maintained
F: drivers/net/wan/dscc4.c
+DT3155 MEDIA DRIVER
+M: Hans Verkuil <hverkuil@xs4all.nl>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/pci/dt3155/
+
DVB_USB_AF9015 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
FILE LOCKING (flock() and fcntl()/lockf())
M: Jeff Layton <jlayton@poochiereds.net>
- M: J. Bruce Fields <bfields@fieldses.org>
+ M: "J. Bruce Fields" <bfields@fieldses.org>
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: include/linux/fcntl.h
F: sound/soc/fsl/mpc8610_hpcd.c
FREESCALE QORIQ MANAGEMENT COMPLEX DRIVER
- M: J. German Rivera <German.Rivera@freescale.com>
+ M: "J. German Rivera" <German.Rivera@freescale.com>
L: linux-kernel@vger.kernel.org
S: Maintained
F: drivers/staging/fsl-mc/
F: drivers/media/usb/gspca/
GUID PARTITION TABLE (GPT)
- M: Davidlohr Bueso <davidlohr@hp.com>
+ M: Davidlohr Bueso <dave@stgolabs.net>
L: linux-efi@vger.kernel.org
S: Maintained
F: block/partitions/efi.*
S: Maintained
F: drivers/media/usb/stk1160/
+H8/300 ARCHITECTURE
+M: Yoshinori Sato <ysato@users.sourceforge.jp>
+L: uclinux-h8-devel@lists.sourceforge.jp
+W: http://uclinux-h8.sourceforge.jp
+T: git git://git.sourceforge.jp/gitroot/uclinux-h8/linux.git
+S: Maintained
+F: arch/h8300/
+F: drivers/clocksource/h8300_*.c
+F: drivers/clk/h8300/
+F: drivers/irqchip/irq-renesas-h8*.c
+
HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER
M: Frank Seidel <frank@f-seidel.de>
L: platform-driver-x86@vger.kernel.org
F: fs/hugetlbfs/
Hyper-V CORE AND DRIVERS
- M: K. Y. Srinivasan <kys@microsoft.com>
+ M: "K. Y. Srinivasan" <kys@microsoft.com>
M: Haiyang Zhang <haiyangz@microsoft.com>
L: devel@linuxdriverproject.org
S: Maintained
INTEL ASoC BDW/HSW DRIVERS
M: Jie Yang <yang.jie@linux.intel.com>
- L: alsa-devel@alsa-project.org
+ L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
F: sound/soc/intel/sst-haswell*
F: sound/soc/intel/sst-dsp*
S: Maintained
F: drivers/media/radio/radio-maxiradio*
+MEDIA DRIVERS FOR RENESAS - VSP1
+M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L: linux-media@vger.kernel.org
+L: linux-sh@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: Documentation/devicetree/bindings/media/renesas,vsp1.txt
+F: drivers/media/platform/vsp1/
+
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
P: LinuxTV.org Project
NATIVE INSTRUMENTS USB SOUND INTERFACE DRIVER
M: Daniel Mack <zonque@gmail.com>
S: Maintained
- L: alsa-devel@alsa-project.org
+ L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://www.native-instruments.com
F: sound/usb/caiaq/
OMAP AUDIO SUPPORT
M: Peter Ujfalusi <peter.ujfalusi@ti.com>
M: Jarkko Nikula <jarkko.nikula@bitmer.com>
- L: alsa-devel@alsa-project.org (subscribers-only)
+ L: alsa-devel@alsa-project.org (moderated for non-subscribers)
L: linux-omap@vger.kernel.org
S: Maintained
F: sound/soc/omap/
F: drivers/power/
PNP SUPPORT
- M: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
S: Maintained
F: drivers/pnp/
PS3VRAM DRIVER
M: Jim Paris <jim@jtan.com>
+M: Geoff Levand <geoff@infradead.org>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/block/ps3vram.c
M: Alexandre Belloni <alexandre.belloni@free-electrons.com>
L: rtc-linux@googlegroups.com
Q: http://patchwork.ozlabs.org/project/rtc-linux/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
S: Maintained
F: Documentation/rtc.txt
F: drivers/rtc/
SECURITY SUBSYSTEM
M: James Morris <james.l.morris@oracle.com>
- M: Serge E. Hallyn <serge@hallyn.com>
+ M: "Serge E. Hallyn" <serge@hallyn.com>
L: linux-security-module@vger.kernel.org (suggested Cc:)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git
W: http://kernsec.org/
F: drivers/i2c/busses/i2c-davinci.c
TI DAVINCI SERIES MEDIA DRIVER
- M: Lad, Prabhakar <prabhakar.csengg@gmail.com>
+ M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
F: include/media/davinci/
TI AM437X VPFE DRIVER
- M: Lad, Prabhakar <prabhakar.csengg@gmail.com>
+ M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
F: drivers/media/platform/am437x/
OV2659 OMNIVISION SENSOR DRIVER
- M: Lad, Prabhakar <prabhakar.csengg@gmail.com>
+ M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
F: include/linux/sysv_fs.h
TARGET SUBSYSTEM
- M: Nicholas A. Bellinger <nab@linux-iscsi.org>
+ M: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
L: linux-scsi@vger.kernel.org
L: target-devel@vger.kernel.org
W: http://www.linux-iscsi.org
F: include/uapi/linux/if_team.h
TECHNOLOGIC SYSTEMS TS-5500 PLATFORM SUPPORT
- M: Savoir-faire Linux Inc. <kernel@savoirfairelinux.com>
+ M: "Savoir-faire Linux Inc." <kernel@savoirfairelinux.com>
S: Maintained
F: arch/x86/platform/ts5500/
S: Maintained
F: drivers/net/ethernet/ti/netcp*
+TI TAS571X FAMILY ASoC CODEC DRIVER
+M: Kevin Cernekee <cernekee@chromium.org>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Odd Fixes
+F: sound/soc/codecs/tas571x*
+
TI TWL4030 SERIES SOC CODEC DRIVER
M: Peter Ujfalusi <peter.ujfalusi@ti.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/backing-dev.h>
#include <linux/parser.h>
#include <linux/buffer_head.h>
#include <linux/exportfs.h>
va_end(args);
}
+#define ext4_warning_ratelimit(sb) \
+ ___ratelimit(&(EXT4_SB(sb)->s_warning_ratelimit_state), \
+ "EXT4-fs warning")
+
void __ext4_warning(struct super_block *sb, const char *function,
unsigned int line, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
- if (!___ratelimit(&(EXT4_SB(sb)->s_warning_ratelimit_state),
- "EXT4-fs warning"))
+ if (!ext4_warning_ratelimit(sb))
return;
va_start(args, fmt);
va_end(args);
}
+void __ext4_warning_inode(const struct inode *inode, const char *function,
+ unsigned int line, const char *fmt, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ if (!ext4_warning_ratelimit(inode->i_sb))
+ return;
+
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
+ printk(KERN_WARNING "EXT4-fs warning (device %s): %s:%d: "
+ "inode #%lu: comm %s: %pV\n", inode->i_sb->s_id,
+ function, line, inode->i_ino, current->comm, &vaf);
+ va_end(args);
+}
+
void __ext4_grp_locked_error(const char *function, unsigned int line,
struct super_block *sb, ext4_group_t grp,
unsigned long ino, ext4_fsblk_t block,
dump_orphan_list(sb, sbi);
J_ASSERT(list_empty(&sbi->s_orphan));
+ sync_blockdev(sb->s_bdev);
invalidate_bdev(sb->s_bdev);
if (sbi->journal_bdev && sbi->journal_bdev != sb->s_bdev) {
/*
atomic_set(&ei->i_unwritten, 0);
INIT_WORK(&ei->i_rsv_conversion_work, ext4_end_io_rsv_work);
#ifdef CONFIG_EXT4_FS_ENCRYPTION
- ei->i_encryption_key.mode = EXT4_ENCRYPTION_MODE_INVALID;
+ ei->i_crypt_info = NULL;
#endif
-
return &ei->vfs_inode;
}
jbd2_free_inode(EXT4_I(inode)->jinode);
EXT4_I(inode)->jinode = NULL;
}
+#ifdef CONFIG_EXT4_FS_ENCRYPTION
+ if (EXT4_I(inode)->i_crypt_info)
+ ext4_free_encryption_info(inode, EXT4_I(inode)->i_crypt_info);
+#endif
}
static struct inode *ext4_nfs_get_inode(struct super_block *sb,
unsigned long journal_devnum = 0;
unsigned long def_mount_opts;
struct inode *root;
- char *cp;
const char *descr;
int ret = -ENOMEM;
int blocksize, clustersize;
if (sb->s_bdev->bd_part)
sbi->s_sectors_written_start =
part_stat_read(sb->s_bdev->bd_part, sectors[1]);
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
- /* Modes of operations for file and directory encryption. */
- sbi->s_file_encryption_mode = EXT4_ENCRYPTION_MODE_AES_256_XTS;
- sbi->s_dir_encryption_mode = EXT4_ENCRYPTION_MODE_INVALID;
-#endif
/* Cleanup superblock name */
- for (cp = sb->s_id; (cp = strchr(cp, '/'));)
- *cp = '!';
+ strreplace(sb->s_id, '/', '!');
/* -EINVAL is default */
ret = -EINVAL;
}
}
- if (unlikely(sbi->s_mount_flags & EXT4_MF_TEST_DUMMY_ENCRYPTION) &&
+ if ((DUMMY_ENCRYPTION_ENABLED(sbi) ||
+ EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT)) &&
+ (blocksize != PAGE_CACHE_SIZE)) {
+ ext4_msg(sb, KERN_ERR,
+ "Unsupported blocksize for fs encryption");
+ goto failed_mount_wq;
+ }
+
+ if (DUMMY_ENCRYPTION_ENABLED(sbi) &&
!(sb->s_flags & MS_RDONLY) &&
!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT)) {
EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT);
set_task_ioprio(sbi->s_journal->j_task, journal_ioprio);
}
+ if (*flags & MS_LAZYTIME)
+ sb->s_flags |= MS_LAZYTIME;
+
if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) {
err = -EROFS;
struct inode *inode = sb_dqopt(sb)->files[type];
ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb);
int err, offset = off & (sb->s_blocksize - 1);
+ int retries = 0;
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
return -EIO;
}
- bh = ext4_bread(handle, inode, blk, 1);
+ do {
+ bh = ext4_bread(handle, inode, blk,
+ EXT4_GET_BLOCKS_CREATE |
+ EXT4_GET_BLOCKS_METADATA_NOFAIL);
+ } while (IS_ERR(bh) && (PTR_ERR(bh) == -ENOSPC) &&
+ ext4_should_retry_alloc(inode->i_sb, &retries));
if (IS_ERR(bh))
return PTR_ERR(bh);
if (!bh)
static void __exit ext4_exit_fs(void)
{
+ ext4_exit_crypto();
ext4_destroy_lazyinit_thread();
unregister_as_ext2();
unregister_as_ext3();
*/
J_ASSERT_BH(bh_in, buffer_jbddirty(bh_in));
-retry_alloc:
- new_bh = alloc_buffer_head(GFP_NOFS);
- if (!new_bh) {
- /*
- * Failure is not an option, but __GFP_NOFAIL is going
- * away; so we retry ourselves here.
- */
- congestion_wait(BLK_RW_ASYNC, HZ/50);
- goto retry_alloc;
- }
+ new_bh = alloc_buffer_head(GFP_NOFS|__GFP_NOFAIL);
/* keep subsequent assertions sane */
atomic_set(&new_bh->b_count, 1);
*
* Requires j_checkpoint_mutex
*/
-void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block)
+int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block)
{
unsigned long freed;
+ int ret;
BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex));
* space and if we lose sb update during power failure we'd replay
* old transaction with possibly newly overwritten data.
*/
- jbd2_journal_update_sb_log_tail(journal, tid, block, WRITE_FUA);
+ ret = jbd2_journal_update_sb_log_tail(journal, tid, block, WRITE_FUA);
+ if (ret)
+ goto out;
+
write_lock(&journal->j_state_lock);
freed = block - journal->j_tail;
if (block < journal->j_tail)
journal->j_tail_sequence = tid;
journal->j_tail = block;
write_unlock(&journal->j_state_lock);
+
+out:
+ return ret;
}
/*
{
journal_t *journal = journal_init_common();
struct buffer_head *bh;
- char *p;
int n;
if (!journal)
journal->j_blk_offset = start;
journal->j_maxlen = len;
bdevname(journal->j_dev, journal->j_devname);
- p = journal->j_devname;
- while ((p = strchr(p, '/')))
- *p = '!';
+ strreplace(journal->j_devname, '/', '!');
jbd2_stats_proc_init(journal);
n = journal->j_blocksize / sizeof(journal_block_tag_t);
journal->j_wbufsize = n;
journal->j_dev = journal->j_fs_dev = inode->i_sb->s_bdev;
journal->j_inode = inode;
bdevname(journal->j_dev, journal->j_devname);
- p = journal->j_devname;
- while ((p = strchr(p, '/')))
- *p = '!';
- p = journal->j_devname + strlen(journal->j_devname);
+ p = strreplace(journal->j_devname, '/', '!');
sprintf(p, "-%lu", journal->j_inode->i_ino);
jbd_debug(1,
"journal %p: inode %s/%ld, size %Ld, bits %d, blksize %ld\n",
return jbd2_journal_start_thread(journal);
}
-static void jbd2_write_superblock(journal_t *journal, int write_op)
+static int jbd2_write_superblock(journal_t *journal, int write_op)
{
struct buffer_head *bh = journal->j_sb_buffer;
journal_superblock_t *sb = journal->j_superblock;
printk(KERN_ERR "JBD2: Error %d detected when updating "
"journal superblock for %s.\n", ret,
journal->j_devname);
+ jbd2_journal_abort(journal, ret);
}
+
+ return ret;
}
/**
* Update a journal's superblock information about log tail and write it to
* disk, waiting for the IO to complete.
*/
-void jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid,
+int jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid,
unsigned long tail_block, int write_op)
{
journal_superblock_t *sb = journal->j_superblock;
+ int ret;
BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex));
jbd_debug(1, "JBD2: updating superblock (start %lu, seq %u)\n",
sb->s_sequence = cpu_to_be32(tail_tid);
sb->s_start = cpu_to_be32(tail_block);
- jbd2_write_superblock(journal, write_op);
+ ret = jbd2_write_superblock(journal, write_op);
+ if (ret)
+ goto out;
/* Log is no longer empty */
write_lock(&journal->j_state_lock);
WARN_ON(!sb->s_sequence);
journal->j_flags &= ~JBD2_FLUSHED;
write_unlock(&journal->j_state_lock);
+
+out:
+ return ret;
}
/**
return -EIO;
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_cleanup_journal_tail(journal);
+ if (!err) {
+ err = jbd2_cleanup_journal_tail(journal);
+ if (err < 0) {
+ mutex_unlock(&journal->j_checkpoint_mutex);
+ goto out;
+ }
+ err = 0;
+ }
/* Finally, mark the journal as really needing no recovery.
* This sets s_start==0 in the underlying superblock, which is
J_ASSERT(journal->j_head == journal->j_tail);
J_ASSERT(journal->j_tail_sequence == journal->j_transaction_sequence);
write_unlock(&journal->j_state_lock);
- return 0;
+out:
+ return err;
}
/**
jbd2_journal_head_cache = kmem_cache_create("jbd2_journal_head",
sizeof(struct journal_head),
0, /* offset */
- SLAB_TEMPORARY, /* flags */
+ SLAB_TEMPORARY | SLAB_DESTROY_BY_RCU,
NULL); /* ctor */
retval = 0;
if (!jbd2_journal_head_cache) {
if (!ret) {
jbd_debug(1, "out of memory for journal_head\n");
pr_notice_ratelimited("ENOMEM in %s, retrying.\n", __func__);
- while (!ret) {
- yield();
- ret = kmem_cache_zalloc(jbd2_journal_head_cache, GFP_NOFS);
- }
+ ret = kmem_cache_zalloc(jbd2_journal_head_cache,
+ GFP_NOFS | __GFP_NOFAIL);
}
return ret;
}
#include "xattr.h"
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include <linux/exportfs.h>
#include <linux/quotaops.h>
static struct inode *reiserfs_alloc_inode(struct super_block *sb)
{
struct reiserfs_inode_info *ei;
- ei = (struct reiserfs_inode_info *)
- kmem_cache_alloc(reiserfs_inode_cachep, GFP_KERNEL);
+ ei = kmem_cache_alloc(reiserfs_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
atomic_set(&ei->openers, 0);
Enable some debugging help. Currently it exports additional stat
files in a cgroup which can be useful for debugging.
+config CGROUP_WRITEBACK
+ bool
+ depends on MEMCG && BLK_CGROUP
+ default y
+
endif # CGROUPS
config CHECKPOINT_RESTORE
bool "Checkpoint/restore support" if EXPERT
+ select PROC_CHILDREN
default n
help
Enables additional kernel features in a sake of checkpoint/restore.