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52c732eee7
Refactor the btree block header checks to have an internal function that returns the address of the failing check without logging errors. The scrubber will call the internal function, while the external version will maintain the current logging behavior. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
293 lines
7.5 KiB
C
293 lines
7.5 KiB
C
/*
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_LINUX__
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#define __XFS_LINUX__
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#include <linux/types.h>
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#include <linux/uuid.h>
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/*
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* Kernel specific type declarations for XFS
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*/
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typedef __s64 xfs_off_t; /* <file offset> type */
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typedef unsigned long long xfs_ino_t; /* <inode> type */
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typedef __s64 xfs_daddr_t; /* <disk address> type */
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typedef __u32 xfs_dev_t;
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typedef __u32 xfs_nlink_t;
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#include "xfs_types.h"
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#include "kmem.h"
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#include "mrlock.h"
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#include <linux/semaphore.h>
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#include <linux/mm.h>
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#include <linux/kernel.h>
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#include <linux/blkdev.h>
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#include <linux/slab.h>
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#include <linux/crc32c.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/file.h>
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#include <linux/swap.h>
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#include <linux/errno.h>
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#include <linux/sched/signal.h>
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#include <linux/bitops.h>
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#include <linux/major.h>
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#include <linux/pagemap.h>
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#include <linux/vfs.h>
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#include <linux/seq_file.h>
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/proc_fs.h>
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#include <linux/sort.h>
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#include <linux/cpu.h>
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#include <linux/notifier.h>
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#include <linux/delay.h>
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#include <linux/log2.h>
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#include <linux/spinlock.h>
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#include <linux/random.h>
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#include <linux/ctype.h>
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#include <linux/writeback.h>
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#include <linux/capability.h>
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#include <linux/kthread.h>
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#include <linux/freezer.h>
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#include <linux/list_sort.h>
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#include <linux/ratelimit.h>
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#include <linux/rhashtable.h>
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#include <asm/page.h>
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#include <asm/div64.h>
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#include <asm/param.h>
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#include <linux/uaccess.h>
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#include <asm/byteorder.h>
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#include <asm/unaligned.h>
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#include "xfs_fs.h"
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#include "xfs_stats.h"
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#include "xfs_sysctl.h"
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#include "xfs_iops.h"
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#include "xfs_aops.h"
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#include "xfs_super.h"
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#include "xfs_cksum.h"
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#include "xfs_buf.h"
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#include "xfs_message.h"
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#ifdef __BIG_ENDIAN
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#define XFS_NATIVE_HOST 1
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#else
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#undef XFS_NATIVE_HOST
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#endif
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#define irix_sgid_inherit xfs_params.sgid_inherit.val
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#define irix_symlink_mode xfs_params.symlink_mode.val
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#define xfs_panic_mask xfs_params.panic_mask.val
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#define xfs_error_level xfs_params.error_level.val
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#define xfs_syncd_centisecs xfs_params.syncd_timer.val
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#define xfs_stats_clear xfs_params.stats_clear.val
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#define xfs_inherit_sync xfs_params.inherit_sync.val
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#define xfs_inherit_nodump xfs_params.inherit_nodump.val
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#define xfs_inherit_noatime xfs_params.inherit_noatim.val
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#define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val
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#define xfs_rotorstep xfs_params.rotorstep.val
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#define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val
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#define xfs_fstrm_centisecs xfs_params.fstrm_timer.val
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#define xfs_eofb_secs xfs_params.eofb_timer.val
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#define xfs_cowb_secs xfs_params.cowb_timer.val
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#define current_cpu() (raw_smp_processor_id())
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#define current_pid() (current->pid)
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#define current_test_flags(f) (current->flags & (f))
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#define current_set_flags_nested(sp, f) \
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(*(sp) = current->flags, current->flags |= (f))
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#define current_clear_flags_nested(sp, f) \
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(*(sp) = current->flags, current->flags &= ~(f))
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#define current_restore_flags_nested(sp, f) \
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(current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))
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#define spinlock_destroy(lock)
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#define NBBY 8 /* number of bits per byte */
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/*
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* Size of block device i/o is parameterized here.
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* Currently the system supports page-sized i/o.
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*/
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#define BLKDEV_IOSHIFT PAGE_SHIFT
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#define BLKDEV_IOSIZE (1<<BLKDEV_IOSHIFT)
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/* number of BB's per block device block */
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#define BLKDEV_BB BTOBB(BLKDEV_IOSIZE)
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#define ENOATTR ENODATA /* Attribute not found */
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#define EWRONGFS EINVAL /* Mount with wrong filesystem type */
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#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
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#define EFSBADCRC EBADMSG /* Bad CRC detected */
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#define SYNCHRONIZE() barrier()
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#define __return_address __builtin_return_address(0)
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/*
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* Return the address of a label. Use barrier() so that the optimizer
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* won't reorder code to refactor the error jumpouts into a single
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* return, which throws off the reported address.
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*/
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#define __this_address ({ __label__ __here; __here: barrier(); &&__here; })
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#define XFS_PROJID_DEFAULT 0
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#define MIN(a,b) (min(a,b))
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#define MAX(a,b) (max(a,b))
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#define howmany(x, y) (((x)+((y)-1))/(y))
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static inline void delay(long ticks)
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{
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schedule_timeout_uninterruptible(ticks);
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}
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/*
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* XFS wrapper structure for sysfs support. It depends on external data
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* structures and is embedded in various internal data structures to implement
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* the XFS sysfs object heirarchy. Define it here for broad access throughout
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* the codebase.
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*/
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struct xfs_kobj {
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struct kobject kobject;
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struct completion complete;
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};
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struct xstats {
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struct xfsstats __percpu *xs_stats;
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struct xfs_kobj xs_kobj;
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};
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extern struct xstats xfsstats;
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/* Kernel uid/gid conversion. These are used to convert to/from the on disk
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* uid_t/gid_t types to the kuid_t/kgid_t types that the kernel uses internally.
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* The conversion here is type only, the value will remain the same since we
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* are converting to the init_user_ns. The uid is later mapped to a particular
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* user namespace value when crossing the kernel/user boundary.
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*/
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static inline uint32_t xfs_kuid_to_uid(kuid_t uid)
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{
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return from_kuid(&init_user_ns, uid);
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}
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static inline kuid_t xfs_uid_to_kuid(uint32_t uid)
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{
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return make_kuid(&init_user_ns, uid);
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}
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static inline uint32_t xfs_kgid_to_gid(kgid_t gid)
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{
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return from_kgid(&init_user_ns, gid);
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}
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static inline kgid_t xfs_gid_to_kgid(uint32_t gid)
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{
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return make_kgid(&init_user_ns, gid);
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}
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/*
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* Various platform dependent calls that don't fit anywhere else
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*/
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#define xfs_sort(a,n,s,fn) sort(a,n,s,fn,NULL)
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#define xfs_stack_trace() dump_stack()
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/* Side effect free 64 bit mod operation */
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static inline __u32 xfs_do_mod(void *a, __u32 b, int n)
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{
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switch (n) {
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case 4:
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return *(__u32 *)a % b;
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case 8:
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{
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__u64 c = *(__u64 *)a;
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return do_div(c, b);
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}
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}
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/* NOTREACHED */
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return 0;
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}
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#define do_mod(a, b) xfs_do_mod(&(a), (b), sizeof(a))
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static inline uint64_t roundup_64(uint64_t x, uint32_t y)
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{
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x += y - 1;
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do_div(x, y);
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return x * y;
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}
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static inline uint64_t howmany_64(uint64_t x, uint32_t y)
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{
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x += y - 1;
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do_div(x, y);
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return x;
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}
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#define ASSERT_ALWAYS(expr) \
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(likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
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#ifdef DEBUG
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#define ASSERT(expr) \
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(likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
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#ifndef STATIC
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# define STATIC noinline
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#endif
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#else /* !DEBUG */
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#ifdef XFS_WARN
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#define ASSERT(expr) \
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(likely(expr) ? (void)0 : asswarn(#expr, __FILE__, __LINE__))
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#ifndef STATIC
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# define STATIC static noinline
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#endif
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#else /* !DEBUG && !XFS_WARN */
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#define ASSERT(expr) ((void)0)
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#ifndef STATIC
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# define STATIC static noinline
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#endif
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#endif /* XFS_WARN */
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#endif /* DEBUG */
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#ifdef CONFIG_XFS_RT
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/*
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* make sure we ignore the inode flag if the filesystem doesn't have a
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* configured realtime device.
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*/
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#define XFS_IS_REALTIME_INODE(ip) \
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(((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME) && \
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(ip)->i_mount->m_rtdev_targp)
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#else
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#define XFS_IS_REALTIME_INODE(ip) (0)
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#endif
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#endif /* __XFS_LINUX__ */
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