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Merge branch 'master' of git://git.kernel.org/pub/scm/fs/xfs/xfs

Browse source
This commit is contained in:
Felix Blyakher 2009-02-09 11:52:34 -06:00
commit 8e08f6eb34
30 changed files with 345 additions and 733 deletions
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1
fs/xfs/Makefile
View file

@ -33,6 +33,7 @@ xfs-$(CONFIG_XFS_QUOTA) += $(addprefix quota/, \
xfs_qm_syscalls.o \
xfs_qm_bhv.o \
xfs_qm.o)
xfs-$(CONFIG_XFS_QUOTA) += linux-2.6/xfs_quotaops.o
ifeq ($(CONFIG_XFS_QUOTA),y)
xfs-$(CONFIG_PROC_FS) += quota/xfs_qm_stats.o

30
fs/xfs/linux-2.6/xfs_iops.c
View file

@ -211,8 +211,13 @@ xfs_vn_mknod(
* Irix uses Missed'em'V split, but doesn't want to see
* the upper 5 bits of (14bit) major.
*/
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
if (S_ISCHR(mode) || S_ISBLK(mode)) {
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
rdev = sysv_encode_dev(rdev);
} else {
rdev = 0;
}
if (test_default_acl && test_default_acl(dir)) {
if (!_ACL_ALLOC(default_acl)) {
@ -224,28 +229,11 @@ xfs_vn_mknod(
}
}
xfs_dentry_to_name(&name, dentry);
if (IS_POSIXACL(dir) && !default_acl)
mode &= ~current->fs->umask;
switch (mode & S_IFMT) {
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
rdev = sysv_encode_dev(rdev);
case S_IFREG:
error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
break;
case S_IFDIR:
error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL);
break;
default:
error = EINVAL;
break;
}
xfs_dentry_to_name(&name, dentry);
error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
if (unlikely(error))
goto out_free_acl;

11
fs/xfs/linux-2.6/xfs_linux.h
View file

@ -147,17 +147,6 @@
#define SYNCHRONIZE() barrier()
#define __return_address __builtin_return_address(0)
/*
* IRIX (BSD) quotactl makes use of separate commands for user/group,
* whereas on Linux the syscall encodes this information into the cmd
* field (see the QCMD macro in quota.h). These macros help keep the
* code portable - they are not visible from the syscall interface.
*/
#define Q_XSETGQLIM XQM_CMD(8) /* set groups disk limits */
#define Q_XGETGQUOTA XQM_CMD(9) /* get groups disk limits */
#define Q_XSETPQLIM XQM_CMD(10) /* set projects disk limits */
#define Q_XGETPQUOTA XQM_CMD(11) /* get projects disk limits */
#define dfltprid 0
#define MAXPATHLEN 1024

157
fs/xfs/linux-2.6/xfs_quotaops.c Normal file
View file

@ -0,0 +1,157 @@
/*
* Copyright (c) 2008, Christoph Hellwig
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xfs.h"
#include "xfs_dmapi.h"
#include "xfs_sb.h"
#include "xfs_inum.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_quota.h"
#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_bmap_btree.h"
#include "xfs_inode.h"
#include "quota/xfs_qm.h"
#include <linux/quota.h>
STATIC int
xfs_quota_type(int type)
{
switch (type) {
case USRQUOTA:
return XFS_DQ_USER;
case GRPQUOTA:
return XFS_DQ_GROUP;
default:
return XFS_DQ_PROJ;
}
}
STATIC int
xfs_fs_quota_sync(
struct super_block *sb,
int type)
{
struct xfs_mount *mp = XFS_M(sb);
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
return -xfs_sync_inodes(mp, SYNC_DELWRI);
}
STATIC int
xfs_fs_get_xstate(
struct super_block *sb,
struct fs_quota_stat *fqs)
{
struct xfs_mount *mp = XFS_M(sb);
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
return -xfs_qm_scall_getqstat(mp, fqs);
}
STATIC int
xfs_fs_set_xstate(
struct super_block *sb,
unsigned int uflags,
int op)
{
struct xfs_mount *mp = XFS_M(sb);
unsigned int flags = 0;
if (sb->s_flags & MS_RDONLY)
return -EROFS;
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (uflags & XFS_QUOTA_UDQ_ACCT)
flags |= XFS_UQUOTA_ACCT;
if (uflags & XFS_QUOTA_PDQ_ACCT)
flags |= XFS_PQUOTA_ACCT;
if (uflags & XFS_QUOTA_GDQ_ACCT)
flags |= XFS_GQUOTA_ACCT;
if (uflags & XFS_QUOTA_UDQ_ENFD)
flags |= XFS_UQUOTA_ENFD;
if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
flags |= XFS_OQUOTA_ENFD;
switch (op) {
case Q_XQUOTAON:
return -xfs_qm_scall_quotaon(mp, flags);
case Q_XQUOTAOFF:
if (!XFS_IS_QUOTA_ON(mp))
return -EINVAL;
return -xfs_qm_scall_quotaoff(mp, flags);
case Q_XQUOTARM:
if (XFS_IS_QUOTA_ON(mp))
return -EINVAL;
return -xfs_qm_scall_trunc_qfiles(mp, flags);
}
return -EINVAL;
}
STATIC int
xfs_fs_get_xquota(
struct super_block *sb,
int type,
qid_t id,
struct fs_disk_quota *fdq)
{
struct xfs_mount *mp = XFS_M(sb);
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
if (!XFS_IS_QUOTA_ON(mp))
return -ESRCH;
return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
}
STATIC int
xfs_fs_set_xquota(
struct super_block *sb,
int type,
qid_t id,
struct fs_disk_quota *fdq)
{
struct xfs_mount *mp = XFS_M(sb);
if (sb->s_flags & MS_RDONLY)
return -EROFS;
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
if (!XFS_IS_QUOTA_ON(mp))
return -ESRCH;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
}
struct quotactl_ops xfs_quotactl_operations = {
.quota_sync = xfs_fs_quota_sync,
.get_xstate = xfs_fs_get_xstate,
.set_xstate = xfs_fs_set_xstate,
.get_xquota = xfs_fs_get_xquota,
.set_xquota = xfs_fs_set_xquota,
};

64
fs/xfs/linux-2.6/xfs_super.c
View file

@ -68,7 +68,6 @@
#include <linux/freezer.h>
#include <linux/parser.h>
static struct quotactl_ops xfs_quotactl_operations;
static struct super_operations xfs_super_operations;
static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
@ -180,7 +179,7 @@ xfs_parseargs(
int dswidth = 0;
int iosize = 0;
int dmapi_implies_ikeep = 1;
uchar_t iosizelog = 0;
__uint8_t iosizelog = 0;
/*
* Copy binary VFS mount flags we are interested in.
@ -1333,57 +1332,6 @@ xfs_fs_show_options(
return -xfs_showargs(XFS_M(mnt->mnt_sb), m);
}
STATIC int
xfs_fs_quotasync(
struct super_block *sb,
int type)
{
return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL);
}
STATIC int
xfs_fs_getxstate(
struct super_block *sb,
struct fs_quota_stat *fqs)
{
return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
}
STATIC int
xfs_fs_setxstate(
struct super_block *sb,
unsigned int flags,
int op)
{
return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags);
}
STATIC int
xfs_fs_getxquota(
struct super_block *sb,
int type,
qid_t id,
struct fs_disk_quota *fdq)
{
return -XFS_QM_QUOTACTL(XFS_M(sb),
(type == USRQUOTA) ? Q_XGETQUOTA :
((type == GRPQUOTA) ? Q_XGETGQUOTA :
Q_XGETPQUOTA), id, (caddr_t)fdq);
}
STATIC int
xfs_fs_setxquota(
struct super_block *sb,
int type,
qid_t id,
struct fs_disk_quota *fdq)
{
return -XFS_QM_QUOTACTL(XFS_M(sb),
(type == USRQUOTA) ? Q_XSETQLIM :
((type == GRPQUOTA) ? Q_XSETGQLIM :
Q_XSETPQLIM), id, (caddr_t)fdq);
}
/*
* This function fills in xfs_mount_t fields based on mount args.
* Note: the superblock _has_ now been read in.
@ -1466,7 +1414,9 @@ xfs_fs_fill_super(
sb_min_blocksize(sb, BBSIZE);
sb->s_xattr = xfs_xattr_handlers;
sb->s_export_op = &xfs_export_operations;
#ifdef CONFIG_XFS_QUOTA
sb->s_qcop = &xfs_quotactl_operations;
#endif
sb->s_op = &xfs_super_operations;
error = xfs_dmops_get(mp);
@ -1609,14 +1559,6 @@ static struct super_operations xfs_super_operations = {
.show_options = xfs_fs_show_options,
};
static struct quotactl_ops xfs_quotactl_operations = {
.quota_sync = xfs_fs_quotasync,
.get_xstate = xfs_fs_getxstate,
.set_xstate = xfs_fs_setxstate,
.get_xquota = xfs_fs_getxquota,
.set_xquota = xfs_fs_setxquota,
};
static struct file_system_type xfs_fs_type = {
.owner = THIS_MODULE,
.name = "xfs",

1
fs/xfs/linux-2.6/xfs_super.h
View file

@ -93,6 +93,7 @@ extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
extern const struct export_operations xfs_export_operations;
extern struct xattr_handler *xfs_xattr_handlers[];
extern struct quotactl_ops xfs_quotactl_operations;
#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))

1
fs/xfs/linux-2.6/xfs_sync.h
View file

@ -19,6 +19,7 @@
#define XFS_SYNC_H 1
struct xfs_mount;
struct xfs_perag;
typedef struct bhv_vfs_sync_work {
struct list_head w_list;

28
fs/xfs/quota/xfs_dquot.c
View file

@ -804,7 +804,7 @@ xfs_qm_dqlookup(
uint flist_locked;
xfs_dquot_t *d;
ASSERT(XFS_DQ_IS_HASH_LOCKED(qh));
ASSERT(mutex_is_locked(&qh->qh_lock));
flist_locked = B_FALSE;
@ -877,7 +877,7 @@ xfs_qm_dqlookup(
/*
* move the dquot to the front of the hashchain
*/
ASSERT(XFS_DQ_IS_HASH_LOCKED(qh));
ASSERT(mutex_is_locked(&qh->qh_lock));
if (dqp->HL_PREVP != &qh->qh_next) {
xfs_dqtrace_entry(dqp,
"DQLOOKUP: HASH MOVETOFRONT");
@ -892,13 +892,13 @@ xfs_qm_dqlookup(
}
xfs_dqtrace_entry(dqp, "LOOKUP END");
*O_dqpp = dqp;
ASSERT(XFS_DQ_IS_HASH_LOCKED(qh));
ASSERT(mutex_is_locked(&qh->qh_lock));
return (0);
}
}
*O_dqpp = NULL;
ASSERT(XFS_DQ_IS_HASH_LOCKED(qh));
ASSERT(mutex_is_locked(&qh->qh_lock));
return (1);
}
@ -956,7 +956,7 @@ xfs_qm_dqget(
ASSERT(ip->i_gdquot == NULL);
}
#endif
XFS_DQ_HASH_LOCK(h);
mutex_lock(&h->qh_lock);
/*
* Look in the cache (hashtable).
@ -971,7 +971,7 @@ xfs_qm_dqget(
*/
ASSERT(*O_dqpp);
ASSERT(XFS_DQ_IS_LOCKED(*O_dqpp));
XFS_DQ_HASH_UNLOCK(h);
mutex_unlock(&h->qh_lock);
xfs_dqtrace_entry(*O_dqpp, "DQGET DONE (FROM CACHE)");
return (0); /* success */
}
@ -991,7 +991,7 @@ xfs_qm_dqget(
* we don't keep the lock across a disk read
*/
version = h->qh_version;
XFS_DQ_HASH_UNLOCK(h);
mutex_unlock(&h->qh_lock);
/*
* Allocate the dquot on the kernel heap, and read the ondisk
@ -1056,7 +1056,7 @@ xfs_qm_dqget(
/*
* Hashlock comes after ilock in lock order
*/
XFS_DQ_HASH_LOCK(h);
mutex_lock(&h->qh_lock);
if (version != h->qh_version) {
xfs_dquot_t *tmpdqp;
/*
@ -1072,7 +1072,7 @@ xfs_qm_dqget(
* and start over.
*/
xfs_qm_dqput(tmpdqp);
XFS_DQ_HASH_UNLOCK(h);
mutex_unlock(&h->qh_lock);
xfs_qm_dqdestroy(dqp);
XQM_STATS_INC(xqmstats.xs_qm_dquot_dups);
goto again;
@ -1083,7 +1083,7 @@ xfs_qm_dqget(
* Put the dquot at the beginning of the hash-chain and mp's list
* LOCK ORDER: hashlock, freelistlock, mplistlock, udqlock, gdqlock ..
*/
ASSERT(XFS_DQ_IS_HASH_LOCKED(h));
ASSERT(mutex_is_locked(&h->qh_lock));
dqp->q_hash = h;
XQM_HASHLIST_INSERT(h, dqp);
@ -1102,7 +1102,7 @@ xfs_qm_dqget(
XQM_MPLIST_INSERT(&(XFS_QI_MPL_LIST(mp)), dqp);
xfs_qm_mplist_unlock(mp);
XFS_DQ_HASH_UNLOCK(h);
mutex_unlock(&h->qh_lock);
dqret:
ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL));
xfs_dqtrace_entry(dqp, "DQGET DONE");
@ -1440,7 +1440,7 @@ xfs_qm_dqpurge(
xfs_mount_t *mp = dqp->q_mount;
ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp));
ASSERT(XFS_DQ_IS_HASH_LOCKED(dqp->q_hash));
ASSERT(mutex_is_locked(&dqp->q_hash->qh_lock));
xfs_dqlock(dqp);
/*
@ -1453,7 +1453,7 @@ xfs_qm_dqpurge(
*/
if (dqp->q_nrefs != 0) {
xfs_dqunlock(dqp);
XFS_DQ_HASH_UNLOCK(dqp->q_hash);
mutex_unlock(&dqp->q_hash->qh_lock);
return (1);
}
@ -1517,7 +1517,7 @@ xfs_qm_dqpurge(
memset(&dqp->q_core, 0, sizeof(dqp->q_core));
xfs_dqfunlock(dqp);
xfs_dqunlock(dqp);
XFS_DQ_HASH_UNLOCK(thishash);
mutex_unlock(&thishash->qh_lock);
return (0);
}

14
fs/xfs/quota/xfs_dquot.h
View file

@ -109,19 +109,6 @@ enum {
#define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++)
#ifdef DEBUG
static inline int
XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
{
if (mutex_trylock(&dqp->q_qlock)) {
mutex_unlock(&dqp->q_qlock);
return 0;
}
return 1;
}
#endif
/*
* Manage the q_flush completion queue embedded in the dquot. This completion
* queue synchronizes processes attempting to flush the in-core dquot back to
@ -142,6 +129,7 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp)
complete(&dqp->q_flush);
}
#define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock)))
#define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp))
#define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY)
#define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER)

62
fs/xfs/quota/xfs_qm.c
View file

@ -69,8 +69,6 @@ STATIC void xfs_qm_list_destroy(xfs_dqlist_t *);
STATIC void xfs_qm_freelist_init(xfs_frlist_t *);
STATIC void xfs_qm_freelist_destroy(xfs_frlist_t *);
STATIC int xfs_qm_mplist_nowait(xfs_mount_t *);
STATIC int xfs_qm_dqhashlock_nowait(xfs_dquot_t *);
STATIC int xfs_qm_init_quotainos(xfs_mount_t *);
STATIC int xfs_qm_init_quotainfo(xfs_mount_t *);
@ -219,7 +217,7 @@ xfs_qm_hold_quotafs_ref(
* the structure could disappear between the entry to this routine and
* a HOLD operation if not locked.
*/
XFS_QM_LOCK(xfs_Gqm);
mutex_lock(&xfs_Gqm_lock);
if (xfs_Gqm == NULL)
xfs_Gqm = xfs_Gqm_init();
@ -228,8 +226,8 @@ xfs_qm_hold_quotafs_ref(
* debugging and statistical purposes, but ...
* Just take a reference and get out.
*/
XFS_QM_HOLD(xfs_Gqm);
XFS_QM_UNLOCK(xfs_Gqm);
xfs_Gqm->qm_nrefs++;
mutex_unlock(&xfs_Gqm_lock);
return 0;
}
@ -277,13 +275,12 @@ xfs_qm_rele_quotafs_ref(
* Destroy the entire XQM. If somebody mounts with quotaon, this'll
* be restarted.
*/
XFS_QM_LOCK(xfs_Gqm);
XFS_QM_RELE(xfs_Gqm);
if (xfs_Gqm->qm_nrefs == 0) {
mutex_lock(&xfs_Gqm_lock);
if (--xfs_Gqm->qm_nrefs == 0) {
xfs_qm_destroy(xfs_Gqm);
xfs_Gqm = NULL;
}
XFS_QM_UNLOCK(xfs_Gqm);
mutex_unlock(&xfs_Gqm_lock);
}
/*
@ -577,10 +574,10 @@ xfs_qm_dqpurge_int(
continue;
}
if (! xfs_qm_dqhashlock_nowait(dqp)) {
if (!mutex_trylock(&dqp->q_hash->qh_lock)) {
nrecl = XFS_QI_MPLRECLAIMS(mp);
xfs_qm_mplist_unlock(mp);
XFS_DQ_HASH_LOCK(dqp->q_hash);
mutex_lock(&dqp->q_hash->qh_lock);
xfs_qm_mplist_lock(mp);
/*
@ -590,7 +587,7 @@ xfs_qm_dqpurge_int(
* this point, but somebody might be taking things off.
*/
if (nrecl != XFS_QI_MPLRECLAIMS(mp)) {
XFS_DQ_HASH_UNLOCK(dqp->q_hash);
mutex_unlock(&dqp->q_hash->qh_lock);
goto again;
}
}
@ -2028,7 +2025,7 @@ xfs_qm_shake_freelist(
* a dqlookup process that holds the hashlock that is
* waiting for the freelist lock.
*/
if (! xfs_qm_dqhashlock_nowait(dqp)) {
if (!mutex_trylock(&dqp->q_hash->qh_lock)) {
xfs_dqfunlock(dqp);
xfs_dqunlock(dqp);
dqp = dqp->dq_flnext;
@ -2045,7 +2042,7 @@ xfs_qm_shake_freelist(
/* XXX put a sentinel so that we can come back here */
xfs_dqfunlock(dqp);
xfs_dqunlock(dqp);
XFS_DQ_HASH_UNLOCK(hash);
mutex_unlock(&hash->qh_lock);
xfs_qm_freelist_unlock(xfs_Gqm);
if (++restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
return nreclaimed;
@ -2062,7 +2059,7 @@ xfs_qm_shake_freelist(
XQM_HASHLIST_REMOVE(hash, dqp);
xfs_dqfunlock(dqp);
xfs_qm_mplist_unlock(dqp->q_mount);
XFS_DQ_HASH_UNLOCK(hash);
mutex_unlock(&hash->qh_lock);
off_freelist:
XQM_FREELIST_REMOVE(dqp);
@ -2204,7 +2201,7 @@ xfs_qm_dqreclaim_one(void)
continue;
}
if (! xfs_qm_dqhashlock_nowait(dqp))
if (!mutex_trylock(&dqp->q_hash->qh_lock))
goto mplistunlock;
ASSERT(dqp->q_nrefs == 0);
@ -2213,7 +2210,7 @@ xfs_qm_dqreclaim_one(void)
XQM_HASHLIST_REMOVE(dqp->q_hash, dqp);
XQM_FREELIST_REMOVE(dqp);
dqpout = dqp;
XFS_DQ_HASH_UNLOCK(dqp->q_hash);
mutex_unlock(&dqp->q_hash->qh_lock);
mplistunlock:
xfs_qm_mplist_unlock(dqp->q_mount);
xfs_dqfunlock(dqp);
@ -2716,34 +2713,3 @@ xfs_qm_freelist_append(xfs_frlist_t *ql, xfs_dquot_t *dq)
{
xfs_qm_freelist_insert((xfs_frlist_t *)ql->qh_prev, dq);
}
STATIC int
xfs_qm_dqhashlock_nowait(
xfs_dquot_t *dqp)
{
int locked;
locked = mutex_trylock(&((dqp)->q_hash->qh_lock));
return locked;
}
int
xfs_qm_freelist_lock_nowait(
xfs_qm_t *xqm)
{
int locked;
locked = mutex_trylock(&(xqm->qm_dqfreelist.qh_lock));
return locked;
}
STATIC int
xfs_qm_mplist_nowait(
xfs_mount_t *mp)
{
int locked;
ASSERT(mp->m_quotainfo);
locked = mutex_trylock(&(XFS_QI_MPLLOCK(mp)));
return locked;
}

20
fs/xfs/quota/xfs_qm.h
View file

@ -158,11 +158,6 @@ typedef struct xfs_dquot_acct {
#define XFS_QM_IWARNLIMIT 5
#define XFS_QM_RTBWARNLIMIT 5
#define XFS_QM_LOCK(xqm) (mutex_lock(&xqm##_lock))
#define XFS_QM_UNLOCK(xqm) (mutex_unlock(&xqm##_lock))
#define XFS_QM_HOLD(xqm) ((xqm)->qm_nrefs++)
#define XFS_QM_RELE(xqm) ((xqm)->qm_nrefs--)
extern void xfs_qm_destroy_quotainfo(xfs_mount_t *);
extern void xfs_qm_mount_quotas(xfs_mount_t *);
extern int xfs_qm_quotacheck(xfs_mount_t *);
@ -178,6 +173,16 @@ extern void xfs_qm_dqdetach(xfs_inode_t *);
extern int xfs_qm_dqpurge_all(xfs_mount_t *, uint);
extern void xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint);
/* quota ops */
extern int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint);
extern int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint,
fs_disk_quota_t *);
extern int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint,
fs_disk_quota_t *);
extern int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *);
extern int xfs_qm_scall_quotaon(xfs_mount_t *, uint);
extern int xfs_qm_scall_quotaoff(xfs_mount_t *, uint);
/* vop stuff */
extern int xfs_qm_vop_dqalloc(xfs_mount_t *, xfs_inode_t *,
uid_t, gid_t, prid_t, uint,
@ -194,11 +199,6 @@ extern int xfs_qm_vop_chown_reserve(xfs_trans_t *, xfs_inode_t *,
/* list stuff */
extern void xfs_qm_freelist_append(xfs_frlist_t *, xfs_dquot_t *);
extern void xfs_qm_freelist_unlink(xfs_dquot_t *);
extern int xfs_qm_freelist_lock_nowait(xfs_qm_t *);
/* system call interface */
extern int xfs_qm_quotactl(struct xfs_mount *, int, int,
xfs_caddr_t);
#ifdef DEBUG
extern int xfs_qm_internalqcheck(xfs_mount_t *);

1
fs/xfs/quota/xfs_qm_bhv.c
View file

@ -235,7 +235,6 @@ struct xfs_qmops xfs_qmcore_xfs = {
.xfs_dqvopchownresv = xfs_qm_vop_chown_reserve,
.xfs_dqstatvfs = xfs_qm_statvfs,
.xfs_dqsync = xfs_qm_sync,
.xfs_quotactl = xfs_qm_quotactl,
.xfs_dqtrxops = &xfs_trans_dquot_ops,
};
EXPORT_SYMBOL(xfs_qmcore_xfs);

188
fs/xfs/quota/xfs_qm_syscalls.c
View file

@ -57,134 +57,15 @@
# define qdprintk(s, args...) do { } while (0)
#endif
STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint);
STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint,
fs_disk_quota_t *);
STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *);
STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint,
fs_disk_quota_t *);
STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint);
STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t);
STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
uint);
STATIC uint xfs_qm_import_flags(uint);
STATIC uint xfs_qm_export_flags(uint);
STATIC uint xfs_qm_import_qtype_flags(uint);
STATIC uint xfs_qm_export_qtype_flags(uint);
STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *,
fs_disk_quota_t *);
/*
* The main distribution switch of all XFS quotactl system calls.
*/
int
xfs_qm_quotactl(
xfs_mount_t *mp,
int cmd,
int id,
xfs_caddr_t addr)
{
int error;
ASSERT(addr != NULL || cmd == Q_XQUOTASYNC);
/*
* The following commands are valid even when quotaoff.
*/
switch (cmd) {
case Q_XQUOTARM:
/*
* Truncate quota files. quota must be off.
*/
if (XFS_IS_QUOTA_ON(mp))
return XFS_ERROR(EINVAL);
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
return (xfs_qm_scall_trunc_qfiles(mp,
xfs_qm_import_qtype_flags(*(uint *)addr)));
case Q_XGETQSTAT:
/*
* Get quota status information.
*/
return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr));
case Q_XQUOTAON:
/*
* QUOTAON - enabling quota enforcement.
* Quota accounting must be turned on at mount time.
*/
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
return (xfs_qm_scall_quotaon(mp,
xfs_qm_import_flags(*(uint *)addr)));
case Q_XQUOTAOFF:
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
break;
case Q_XQUOTASYNC:
return xfs_sync_inodes(mp, SYNC_DELWRI);
default:
break;
}
if (! XFS_IS_QUOTA_ON(mp))
return XFS_ERROR(ESRCH);
switch (cmd) {
case Q_XQUOTAOFF:
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
error = xfs_qm_scall_quotaoff(mp,
xfs_qm_import_flags(*(uint *)addr),
B_FALSE);
break;
case Q_XGETQUOTA:
error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER,
(fs_disk_quota_t *)addr);
break;
case Q_XGETGQUOTA:
error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
(fs_disk_quota_t *)addr);
break;
case Q_XGETPQUOTA:
error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
(fs_disk_quota_t *)addr);
break;
case Q_XSETQLIM:
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER,
(fs_disk_quota_t *)addr);
break;
case Q_XSETGQLIM:
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
(fs_disk_quota_t *)addr);
break;
case Q_XSETPQLIM:
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
(fs_disk_quota_t *)addr);
break;
default:
error = XFS_ERROR(EINVAL);
break;
}
return (error);
}
/*
* Turn off quota accounting and/or enforcement for all udquots and/or
* gdquots. Called only at unmount time.
@ -193,11 +74,10 @@ xfs_qm_quotactl(
* incore, and modifies the ondisk dquot directly. Therefore, for example,
* it is an error to call this twice, without purging the cache.
*/
STATIC int
int
xfs_qm_scall_quotaoff(
xfs_mount_t *mp,
uint flags,
boolean_t force)
uint flags)
{
uint dqtype;
int error;
@ -205,8 +85,6 @@ xfs_qm_scall_quotaoff(
xfs_qoff_logitem_t *qoffstart;
int nculprits;
if (!force && !capable(CAP_SYS_ADMIN))
return XFS_ERROR(EPERM);
/*
* No file system can have quotas enabled on disk but not in core.
* Note that quota utilities (like quotaoff) _expect_
@ -375,7 +253,7 @@ out_error:
return (error);
}
STATIC int
int
xfs_qm_scall_trunc_qfiles(
xfs_mount_t *mp,
uint flags)
@ -383,8 +261,6 @@ xfs_qm_scall_trunc_qfiles(
int error = 0, error2 = 0;
xfs_inode_t *qip;
if (!capable(CAP_SYS_ADMIN))
return XFS_ERROR(EPERM);
if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) {
qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags);
return XFS_ERROR(EINVAL);
@ -416,7 +292,7 @@ xfs_qm_scall_trunc_qfiles(
* effect immediately.
* (Switching on quota accounting must be done at mount time.)
*/
STATIC int
int
xfs_qm_scall_quotaon(
xfs_mount_t *mp,
uint flags)
@ -426,9 +302,6 @@ xfs_qm_scall_quotaon(
uint accflags;
__int64_t sbflags;
if (!capable(CAP_SYS_ADMIN))
return XFS_ERROR(EPERM);
flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
/*
* Switching on quota accounting must be done at mount time.
@ -517,7 +390,7 @@ xfs_qm_scall_quotaon(
/*
* Return quota status information, such as uquota-off, enforcements, etc.
*/
STATIC int
int
xfs_qm_scall_getqstat(
xfs_mount_t *mp,
fs_quota_stat_t *out)
@ -582,7 +455,7 @@ xfs_qm_scall_getqstat(
/*
* Adjust quota limits, and start/stop timers accordingly.
*/
STATIC int
int
xfs_qm_scall_setqlim(
xfs_mount_t *mp,
xfs_dqid_t id,
@ -595,9 +468,6 @@ xfs_qm_scall_setqlim(
int error;
xfs_qcnt_t hard, soft;
if (!capable(CAP_SYS_ADMIN))
return XFS_ERROR(EPERM);
if ((newlim->d_fieldmask &
(FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
return (0);
@ -742,7 +612,7 @@ xfs_qm_scall_setqlim(
return error;
}
STATIC int
int
xfs_qm_scall_getquota(
xfs_mount_t *mp,
xfs_dqid_t id,
@ -934,30 +804,6 @@ xfs_qm_export_dquot(
#endif
}
STATIC uint
xfs_qm_import_qtype_flags(
uint uflags)
{
uint oflags = 0;
/*
* Can't be more than one, or none.
*/
if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ==
(XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ||
((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ==
(XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ||
((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ==
(XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ||
((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0))
return (0);
oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0;
oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0;
oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0;
return oflags;
}
STATIC uint
xfs_qm_export_qtype_flags(
uint flags)
@ -978,26 +824,6 @@ xfs_qm_export_qtype_flags(
XFS_PROJ_QUOTA : XFS_GROUP_QUOTA;
}
STATIC uint
xfs_qm_import_flags(
uint uflags)
{
uint flags = 0;
if (uflags & XFS_QUOTA_UDQ_ACCT)
flags |= XFS_UQUOTA_ACCT;
if (uflags & XFS_QUOTA_PDQ_ACCT)
flags |= XFS_PQUOTA_ACCT;
if (uflags & XFS_QUOTA_GDQ_ACCT)
flags |= XFS_GQUOTA_ACCT;
if (uflags & XFS_QUOTA_UDQ_ENFD)
flags |= XFS_UQUOTA_ENFD;
if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
flags |= XFS_OQUOTA_ENFD;
return (flags);
}
STATIC uint
xfs_qm_export_flags(
uint flags)

38
fs/xfs/quota/xfs_quota_priv.h
View file

@ -42,34 +42,24 @@
#define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock)
#define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist)
#define XFS_QI_MPLLOCK(mp) ((mp)->m_quotainfo->qi_dqlist.qh_lock)
#define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next)
#define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems)
#define XQMLCK(h) (mutex_lock(&((h)->qh_lock)))
#define XQMUNLCK(h) (mutex_unlock(&((h)->qh_lock)))
#ifdef DEBUG
struct xfs_dqhash;
static inline int XQMISLCKD(struct xfs_dqhash *h)
{
if (mutex_trylock(&h->qh_lock)) {
mutex_unlock(&h->qh_lock);
return 0;
}
return 1;
}
#endif
#define xfs_qm_mplist_lock(mp) \
mutex_lock(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define xfs_qm_mplist_nowait(mp) \
mutex_trylock(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define xfs_qm_mplist_unlock(mp) \
mutex_unlock(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define XFS_QM_IS_MPLIST_LOCKED(mp) \
mutex_is_locked(&(XFS_QI_MPL_LIST(mp).qh_lock))
#define XFS_DQ_HASH_LOCK(h) XQMLCK(h)
#define XFS_DQ_HASH_UNLOCK(h) XQMUNLCK(h)
#define XFS_DQ_IS_HASH_LOCKED(h) XQMISLCKD(h)
#define xfs_qm_mplist_lock(mp) XQMLCK(&(XFS_QI_MPL_LIST(mp)))
#define xfs_qm_mplist_unlock(mp) XQMUNLCK(&(XFS_QI_MPL_LIST(mp)))
#define XFS_QM_IS_MPLIST_LOCKED(mp) XQMISLCKD(&(XFS_QI_MPL_LIST(mp)))
#define xfs_qm_freelist_lock(qm) XQMLCK(&((qm)->qm_dqfreelist))
#define xfs_qm_freelist_unlock(qm) XQMUNLCK(&((qm)->qm_dqfreelist))
#define xfs_qm_freelist_lock(qm) \
mutex_lock(&((qm)->qm_dqfreelist.qh_lock))
#define xfs_qm_freelist_lock_nowait(qm) \
mutex_trylock(&((qm)->qm_dqfreelist.qh_lock))
#define xfs_qm_freelist_unlock(qm) \
mutex_unlock(&((qm)->qm_dqfreelist.qh_lock))
/*
* Hash into a bucket in the dquot hash table, based on <mp, id>.

4
fs/xfs/xfs_ag.h
View file

@ -223,8 +223,8 @@ typedef struct xfs_perag
be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
#define XFS_MIN_FREELIST_PAG(pag,mp) \
(XFS_MIN_FREELIST_RAW( \
(uint_t)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
(uint_t)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
(unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
(unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
#define XFS_AGB_TO_FSB(mp,agno,agbno) \
(((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))

2
fs/xfs/xfs_da_btree.c
View file

@ -1503,7 +1503,7 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
* This is implemented with some source-level loop unrolling.
*/
xfs_dahash_t
xfs_da_hashname(const uchar_t *name, int namelen)
xfs_da_hashname(const __uint8_t *name, int namelen)
{
xfs_dahash_t hash;

6
fs/xfs/xfs_da_btree.h
View file

@ -91,9 +91,9 @@ enum xfs_dacmp {
* Structure to ease passing around component names.
*/
typedef struct xfs_da_args {
const uchar_t *name; /* string (maybe not NULL terminated) */
const __uint8_t *name; /* string (maybe not NULL terminated) */
int namelen; /* length of string (maybe no NULL) */
uchar_t *value; /* set of bytes (maybe contain NULLs) */
__uint8_t *value; /* set of bytes (maybe contain NULLs) */
int valuelen; /* length of value */
int flags; /* argument flags (eg: ATTR_NOCREATE) */
xfs_dahash_t hashval; /* hash value of name */
@ -251,7 +251,7 @@ xfs_daddr_t xfs_da_reada_buf(struct xfs_trans *trans, struct xfs_inode *dp,
int xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno,
xfs_dabuf_t *dead_buf);
uint xfs_da_hashname(const uchar_t *name_string, int name_length);
uint xfs_da_hashname(const __uint8_t *name_string, int name_length);
enum xfs_dacmp xfs_da_compname(struct xfs_da_args *args,
const char *name, int len);

10
fs/xfs/xfs_ialloc.c
View file

@ -230,7 +230,7 @@ xfs_ialloc_ag_alloc(
args.minalignslop = xfs_ialloc_cluster_alignment(&args) - 1;
/* Allow space for the inode btree to split. */
args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1;
args.minleft = args.mp->m_in_maxlevels - 1;
if ((error = xfs_alloc_vextent(&args)))
return error;
} else
@ -270,7 +270,7 @@ xfs_ialloc_ag_alloc(
/*
* Allow space for the inode btree to split.
*/
args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1;
args.minleft = args.mp->m_in_maxlevels - 1;
if ((error = xfs_alloc_vextent(&args)))
return error;
}
@ -943,7 +943,7 @@ nextag:
ASSERT((XFS_AGINO_TO_OFFSET(mp, rec.ir_startino) %
XFS_INODES_PER_CHUNK) == 0);
ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino + offset);
XFS_INOBT_CLR_FREE(&rec, offset);
rec.ir_free &= ~XFS_INOBT_MASK(offset);
rec.ir_freecount--;
if ((error = xfs_inobt_update(cur, rec.ir_startino, rec.ir_freecount,
rec.ir_free)))
@ -1105,11 +1105,11 @@ xfs_difree(
*/
off = agino - rec.ir_startino;
ASSERT(off >= 0 && off < XFS_INODES_PER_CHUNK);
ASSERT(!XFS_INOBT_IS_FREE(&rec, off));
ASSERT(!(rec.ir_free & XFS_INOBT_MASK(off)));
/*
* Mark the inode free & increment the count.
*/
XFS_INOBT_SET_FREE(&rec, off);
rec.ir_free |= XFS_INOBT_MASK(off);
rec.ir_freecount++;
/*

22
fs/xfs/xfs_ialloc_btree.h
View file

@ -32,14 +32,14 @@ struct xfs_mount;
#define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */
typedef __uint64_t xfs_inofree_t;
#define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t))
#define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t))
#define XFS_INODES_PER_CHUNK_LOG (XFS_NBBYLOG + 3)
#define XFS_INOBT_ALL_FREE ((xfs_inofree_t)-1)
#define XFS_INOBT_ALL_FREE ((xfs_inofree_t)-1)
#define XFS_INOBT_MASK(i) ((xfs_inofree_t)1 << (i))
static inline xfs_inofree_t xfs_inobt_maskn(int i, int n)
{
return (((n) >= XFS_INODES_PER_CHUNK ? \
(xfs_inofree_t)0 : ((xfs_inofree_t)1 << (n))) - 1) << (i);
return ((n >= XFS_INODES_PER_CHUNK ? 0 : XFS_INOBT_MASK(n)) - 1) << i;
}
/*
@ -68,20 +68,6 @@ typedef struct xfs_inobt_key {
/* btree pointer type */
typedef __be32 xfs_inobt_ptr_t;
/*
* Bit manipulations for ir_free.
*/
#define XFS_INOBT_MASK(i) ((xfs_inofree_t)1 << (i))
#define XFS_INOBT_IS_FREE(rp,i) \
(((rp)->ir_free & XFS_INOBT_MASK(i)) != 0)
#define XFS_INOBT_SET_FREE(rp,i) ((rp)->ir_free |= XFS_INOBT_MASK(i))
#define XFS_INOBT_CLR_FREE(rp,i) ((rp)->ir_free &= ~XFS_INOBT_MASK(i))
/*
* Maximum number of inode btree levels.
*/
#define XFS_IN_MAXLEVELS(mp) ((mp)->m_in_maxlevels)
/*
* block numbers in the AG.
*/

28
fs/xfs/xfs_log.c
View file

@ -1164,32 +1164,8 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp,
log->l_iclog_hsize = BBSIZE;
log->l_iclog_heads = 1;
/*
* For 16KB, we use 3 32KB buffers. For 32KB block sizes, we use
* 4 32KB buffers. For 64KB block sizes, we use 8 32KB buffers.
*/
if (mp->m_sb.sb_blocksize >= 16*1024) {
log->l_iclog_size = XLOG_BIG_RECORD_BSIZE;
log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT;
if (mp->m_logbufs <= 0) {
switch (mp->m_sb.sb_blocksize) {
case 16*1024: /* 16 KB */
log->l_iclog_bufs = 3;
break;
case 32*1024: /* 32 KB */
log->l_iclog_bufs = 4;
break;
case 64*1024: /* 64 KB */
log->l_iclog_bufs = 8;
break;
default:
xlog_panic("XFS: Invalid blocksize");
break;
}
}
}
done: /* are we being asked to make the sizes selected above visible? */
done:
/* are we being asked to make the sizes selected above visible? */
if (mp->m_logbufs == 0)
mp->m_logbufs = log->l_iclog_bufs;
if (mp->m_logbsize == 0)

2
fs/xfs/xfs_log_priv.h
View file

@ -359,7 +359,7 @@ typedef struct xlog_in_core {
int ic_size;
int ic_offset;
int ic_bwritecnt;
ushort_t ic_state;
unsigned short ic_state;
char *ic_datap; /* pointer to iclog data */
#ifdef XFS_LOG_TRACE
struct ktrace *ic_trace;

4
fs/xfs/xfs_log_recover.c
View file

@ -211,11 +211,11 @@ xlog_header_check_dump(
cmn_err(CE_DEBUG, "%s: SB : uuid = ", __func__);
for (b = 0; b < 16; b++)
cmn_err(CE_DEBUG, "%02x", ((uchar_t *)&mp->m_sb.sb_uuid)[b]);
cmn_err(CE_DEBUG, "%02x", ((__uint8_t *)&mp->m_sb.sb_uuid)[b]);
cmn_err(CE_DEBUG, ", fmt = %d\n", XLOG_FMT);
cmn_err(CE_DEBUG, " log : uuid = ");
for (b = 0; b < 16; b++)
cmn_err(CE_DEBUG, "%02x",((uchar_t *)&head->h_fs_uuid)[b]);
cmn_err(CE_DEBUG, "%02x", ((__uint8_t *)&head->h_fs_uuid)[b]);
cmn_err(CE_DEBUG, ", fmt = %d\n", be32_to_cpu(head->h_fmt));
}
#else

6
fs/xfs/xfs_mount.h
View file

@ -136,7 +136,6 @@ typedef int (*xfs_dqvopchownresv_t)(struct xfs_trans *, struct xfs_inode *,
struct xfs_dquot *, struct xfs_dquot *, uint);
typedef void (*xfs_dqstatvfs_t)(struct xfs_inode *, struct kstatfs *);
typedef int (*xfs_dqsync_t)(struct xfs_mount *, int flags);
typedef int (*xfs_quotactl_t)(struct xfs_mount *, int, int, xfs_caddr_t);
typedef struct xfs_qmops {
xfs_qminit_t xfs_qminit;
@ -154,7 +153,6 @@ typedef struct xfs_qmops {
xfs_dqvopchownresv_t xfs_dqvopchownresv;
xfs_dqstatvfs_t xfs_dqstatvfs;
xfs_dqsync_t xfs_dqsync;
xfs_quotactl_t xfs_quotactl;
struct xfs_dqtrxops *xfs_dqtrxops;
} xfs_qmops_t;
@ -188,8 +186,6 @@ typedef struct xfs_qmops {
(*(ip)->i_mount->m_qm_ops->xfs_dqstatvfs)(ip, statp)
#define XFS_QM_DQSYNC(mp, flags) \
(*(mp)->m_qm_ops->xfs_dqsync)(mp, flags)
#define XFS_QM_QUOTACTL(mp, cmd, id, addr) \
(*(mp)->m_qm_ops->xfs_quotactl)(mp, cmd, id, addr)
#ifdef HAVE_PERCPU_SB
@ -273,7 +269,7 @@ typedef struct xfs_mount {
uint m_inobt_mnr[2]; /* min inobt btree records */
uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */
uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */
uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */
uint m_in_maxlevels; /* max inobt btree levels. */
struct xfs_perag *m_perag; /* per-ag accounting info */
struct rw_semaphore m_peraglock; /* lock for m_perag (pointer) */
struct mutex m_growlock; /* growfs mutex */

1
fs/xfs/xfs_qmops.c
View file

@ -126,7 +126,6 @@ static struct xfs_qmops xfs_qmcore_stub = {
.xfs_dqvopchownresv = (xfs_dqvopchownresv_t) fs_noerr,
.xfs_dqstatvfs = (xfs_dqstatvfs_t) fs_noval,
.xfs_dqsync = (xfs_dqsync_t) fs_noerr,
.xfs_quotactl = (xfs_quotactl_t) fs_nosys,
};
int

2
fs/xfs/xfs_quota.h
View file

@ -18,6 +18,8 @@
#ifndef __XFS_QUOTA_H__
#define __XFS_QUOTA_H__
struct xfs_trans;
/*
* The ondisk form of a dquot structure.
*/

12
fs/xfs/xfs_trans.h
View file

@ -343,7 +343,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
(128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \
(128 * 5) + \
XFS_ALLOCFREE_LOG_RES(mp, 1) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
@ -449,9 +449,9 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
(128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \
(2 * (mp)->m_sb.sb_sectsize + \
XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \
XFS_ALLOCFREE_LOG_RES(mp, 1) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
@ -481,9 +481,9 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
(128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \
(3 * (mp)->m_sb.sb_sectsize + \
XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \
XFS_ALLOCFREE_LOG_RES(mp, 1) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
@ -513,7 +513,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \
(128 * 5) + \
XFS_ALLOCFREE_LOG_RES(mp, 1) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
(128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
XFS_ALLOCFREE_LOG_COUNT(mp, 1))))

2
fs/xfs/xfs_trans_space.h
View file

@ -47,7 +47,7 @@
#define XFS_DIRREMOVE_SPACE_RES(mp) \
XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)
#define XFS_IALLOC_SPACE_RES(mp) \
(XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp)-1)
(XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1)
/*
* Space reservation values for various transactions.

8
fs/xfs/xfs_types.h
View file

@ -20,14 +20,6 @@
#ifdef __KERNEL__
/*
* POSIX Extensions
*/
typedef unsigned char uchar_t;
typedef unsigned short ushort_t;
typedef unsigned int uint_t;
typedef unsigned long ulong_t;
/*
* Additional type declarations for XFS
*/

351
fs/xfs/xfs_vnodeops.c
View file

@ -1387,23 +1387,28 @@ xfs_create(
xfs_inode_t **ipp,
cred_t *credp)
{
xfs_mount_t *mp = dp->i_mount;
xfs_inode_t *ip;
xfs_trans_t *tp;
int is_dir = S_ISDIR(mode);
struct xfs_mount *mp = dp->i_mount;
struct xfs_inode *ip = NULL;
struct xfs_trans *tp = NULL;
int error;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
boolean_t unlock_dp_on_error = B_FALSE;
int dm_event_sent = 0;
uint cancel_flags;
int committed;
xfs_prid_t prid;
struct xfs_dquot *udqp, *gdqp;
struct xfs_dquot *udqp = NULL;
struct xfs_dquot *gdqp = NULL;
uint resblks;
uint log_res;
uint log_count;
ASSERT(!*ipp);
xfs_itrace_entry(dp);
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
dp, DM_RIGHT_NULL, NULL,
@ -1412,84 +1417,97 @@ xfs_create(
if (error)
return error;
dm_event_sent = 1;
}
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
/* Return through std_return after this point. */
udqp = gdqp = NULL;
if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
prid = dp->i_d.di_projid;
else
prid = (xfs_prid_t)dfltprid;
prid = dfltprid;
/*
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
current_fsuid(), current_fsgid(), prid,
XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp);
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
ip = NULL;
if (is_dir) {
rdev = 0;
resblks = XFS_MKDIR_SPACE_RES(mp, name->len);
log_res = XFS_MKDIR_LOG_RES(mp);
log_count = XFS_MKDIR_LOG_COUNT;
tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR);
} else {
resblks = XFS_CREATE_SPACE_RES(mp, name->len);
log_res = XFS_CREATE_LOG_RES(mp);
log_count = XFS_CREATE_LOG_COUNT;
tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
}
tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
resblks = XFS_CREATE_SPACE_RES(mp, name->len);
/*
* Initially assume that the file does not exist and
* reserve the resources for that case. If that is not
* the case we'll drop the one we have and get a more
* appropriate transaction later.
*/
error = xfs_trans_reserve(tp, resblks, XFS_CREATE_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_CREATE_LOG_COUNT);
error = xfs_trans_reserve(tp, resblks, log_res, 0,
XFS_TRANS_PERM_LOG_RES, log_count);
if (error == ENOSPC) {
resblks = 0;
error = xfs_trans_reserve(tp, 0, XFS_CREATE_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_CREATE_LOG_COUNT);
error = xfs_trans_reserve(tp, 0, log_res, 0,
XFS_TRANS_PERM_LOG_RES, log_count);
}
if (error) {
cancel_flags = 0;
goto error_return;
goto out_trans_cancel;
}
xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
unlock_dp_on_error = B_TRUE;
xfs_bmap_init(&free_list, &first_block);
/*
* Check for directory link count overflow.
*/
if (is_dir && dp->i_d.di_nlink >= XFS_MAXLINK) {
error = XFS_ERROR(EMLINK);
goto out_trans_cancel;
}
ASSERT(ip == NULL);
xfs_bmap_init(&free_list, &first_block);
/*
* Reserve disk quota and the inode.
*/
error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0);
if (error)
goto error_return;
goto out_trans_cancel;
error = xfs_dir_canenter(tp, dp, name, resblks);
if (error)
goto error_return;
error = xfs_dir_ialloc(&tp, dp, mode, 1,
rdev, credp, prid, resblks > 0,
&ip, &committed);
goto out_trans_cancel;
/*
* A newly created regular or special file just has one directory
* entry pointing to them, but a directory also the "." entry
* pointing to itself.
*/
error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, credp,
prid, resblks > 0, &ip, &committed);
if (error) {
if (error == ENOSPC)
goto error_return;
goto abort_return;
goto out_trans_cancel;
goto out_trans_abort;
}
xfs_itrace_ref(ip);
/*
* At this point, we've gotten a newly allocated inode.
* It is locked (and joined to the transaction).
*/
xfs_itrace_ref(ip);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
/*
@ -1508,19 +1526,28 @@ xfs_create(
resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
if (error) {
ASSERT(error != ENOSPC);
goto abort_return;
goto out_trans_abort;
}
xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
if (is_dir) {
error = xfs_dir_init(tp, ip, dp);
if (error)
goto out_bmap_cancel;
error = xfs_bumplink(tp, dp);
if (error)
goto out_bmap_cancel;
}
/*
* If this is a synchronous mount, make sure that the
* create transaction goes to disk before returning to
* the user.
*/
if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) {
if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC))
xfs_trans_set_sync(tp);
}
/*
* Attach the dquot(s) to the inodes and modify them incore.
@ -1537,16 +1564,13 @@ xfs_create(
IHOLD(ip);
error = xfs_bmap_finish(&tp, &free_list, &committed);
if (error) {
xfs_bmap_cancel(&free_list);
goto abort_rele;
}
if (error)
goto out_abort_rele;
error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
if (error) {
IRELE(ip);
tp = NULL;
goto error_return;
goto out_dqrele;
}
XFS_QM_DQRELE(mp, udqp);
@ -1555,26 +1579,22 @@ xfs_create(
*ipp = ip;
/* Fallthrough to std_return with error = 0 */
std_return:
if ((*ipp || (error != 0 && dm_event_sent != 0)) &&
DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
dp, DM_RIGHT_NULL,
*ipp ? ip : NULL,
DM_RIGHT_NULL, name->name, NULL,
mode, error, 0);
std_return:
if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dp, DM_RIGHT_NULL,
ip, DM_RIGHT_NULL, name->name, NULL, mode,
error, 0);
}
return error;
abort_return:
out_bmap_cancel:
xfs_bmap_cancel(&free_list);
out_trans_abort:
cancel_flags |= XFS_TRANS_ABORT;
/* FALLTHROUGH */
error_return:
if (tp != NULL)
xfs_trans_cancel(tp, cancel_flags);
out_trans_cancel:
xfs_trans_cancel(tp, cancel_flags);
out_dqrele:
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
@ -1583,20 +1603,18 @@ std_return:
goto std_return;
abort_rele:
out_abort_rele:
/*
* Wait until after the current transaction is aborted to
* release the inode. This prevents recursive transactions
* and deadlocks from xfs_inactive.
*/
xfs_bmap_cancel(&free_list);
cancel_flags |= XFS_TRANS_ABORT;
xfs_trans_cancel(tp, cancel_flags);
IRELE(ip);
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
goto std_return;
unlock_dp_on_error = B_FALSE;
goto out_dqrele;
}
#ifdef DEBUG
@ -2112,209 +2130,6 @@ std_return:
goto std_return;
}
int
xfs_mkdir(
xfs_inode_t *dp,
struct xfs_name *dir_name,
mode_t mode,
xfs_inode_t **ipp,
cred_t *credp)
{
xfs_mount_t *mp = dp->i_mount;
xfs_inode_t *cdp; /* inode of created dir */
xfs_trans_t *tp;
int cancel_flags;
int error;
int committed;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
boolean_t unlock_dp_on_error = B_FALSE;
boolean_t created = B_FALSE;
int dm_event_sent = 0;
xfs_prid_t prid;
struct xfs_dquot *udqp, *gdqp;
uint resblks;
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
tp = NULL;
if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
dp, DM_RIGHT_NULL, NULL,
DM_RIGHT_NULL, dir_name->name, NULL,
mode, 0, 0);
if (error)
return error;
dm_event_sent = 1;
}
/* Return through std_return after this point. */
xfs_itrace_entry(dp);
mp = dp->i_mount;
udqp = gdqp = NULL;
if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
prid = dp->i_d.di_projid;
else
prid = (xfs_prid_t)dfltprid;
/*
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
current_fsuid(), current_fsgid(), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
resblks = XFS_MKDIR_SPACE_RES(mp, dir_name->len);
error = xfs_trans_reserve(tp, resblks, XFS_MKDIR_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_MKDIR_LOG_COUNT);
if (error == ENOSPC) {
resblks = 0;
error = xfs_trans_reserve(tp, 0, XFS_MKDIR_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES,
XFS_MKDIR_LOG_COUNT);
}
if (error) {
cancel_flags = 0;
goto error_return;
}
xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
unlock_dp_on_error = B_TRUE;
/*
* Check for directory link count overflow.
*/
if (dp->i_d.di_nlink >= XFS_MAXLINK) {
error = XFS_ERROR(EMLINK);
goto error_return;
}
/*
* Reserve disk quota and the inode.
*/
error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0);
if (error)
goto error_return;
error = xfs_dir_canenter(tp, dp, dir_name, resblks);
if (error)
goto error_return;
/*
* create the directory inode.
*/
error = xfs_dir_ialloc(&tp, dp, mode, 2,
0, credp, prid, resblks > 0,
&cdp, NULL);
if (error) {
if (error == ENOSPC)
goto error_return;
goto abort_return;
}
xfs_itrace_ref(cdp);
/*
* Now we add the directory inode to the transaction.
* We waited until now since xfs_dir_ialloc might start
* a new transaction. Had we joined the transaction
* earlier, the locks might have gotten released. An error
* from here on will result in the transaction cancel
* unlocking dp so don't do it explicitly in the error path.
*/
IHOLD(dp);
xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
unlock_dp_on_error = B_FALSE;
xfs_bmap_init(&free_list, &first_block);
error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino,
&first_block, &free_list, resblks ?
resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
if (error) {
ASSERT(error != ENOSPC);
goto error1;
}
xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
error = xfs_dir_init(tp, cdp, dp);
if (error)
goto error2;
error = xfs_bumplink(tp, dp);
if (error)
goto error2;
created = B_TRUE;
*ipp = cdp;
IHOLD(cdp);
/*
* Attach the dquots to the new inode and modify the icount incore.
*/
XFS_QM_DQVOPCREATE(mp, tp, cdp, udqp, gdqp);
/*
* If this is a synchronous mount, make sure that the
* mkdir transaction goes to disk before returning to
* the user.
*/
if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) {
xfs_trans_set_sync(tp);
}
error = xfs_bmap_finish(&tp, &free_list, &committed);
if (error) {
IRELE(cdp);
goto error2;
}
error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
if (error) {
IRELE(cdp);
}
/* Fall through to std_return with error = 0 or errno from
* xfs_trans_commit. */
std_return:
if ((created || (error != 0 && dm_event_sent != 0)) &&
DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
dp, DM_RIGHT_NULL,
created ? cdp : NULL,
DM_RIGHT_NULL,
dir_name->name, NULL,
mode, error, 0);
}
return error;
error2:
error1:
xfs_bmap_cancel(&free_list);
abort_return:
cancel_flags |= XFS_TRANS_ABORT;
error_return:
xfs_trans_cancel(tp, cancel_flags);
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
if (unlock_dp_on_error)
xfs_iunlock(dp, XFS_ILOCK_EXCL);
goto std_return;
}
int
xfs_symlink(
xfs_inode_t *dp,

2
fs/xfs/xfs_vnodeops.h
View file

@ -31,8 +31,6 @@ int xfs_remove(struct xfs_inode *dp, struct xfs_name *name,
struct xfs_inode *ip);
int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip,
struct xfs_name *target_name);
int xfs_mkdir(struct xfs_inode *dp, struct xfs_name *dir_name,
mode_t mode, struct xfs_inode **ipp, cred_t *credp);
int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize,
xfs_off_t *offset, filldir_t filldir);
int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name,