-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
#endif
-#ifdef HAVE_QUOTA_SUPPORT
-
#ifndef MAX_IQ_TIME
#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
#endif
/** Hash list in memory, protect by dquot_hash_lock */
cfs_list_t dq_hash;
/** Protect the data in lustre_dquot */
- cfs_semaphore_t dq_sem;
+ cfs_mutex_t dq_mutex;
/** Use count */
cfs_atomic_t dq_refcnt;
/** Pointer of quota info it belongs to */
typedef int (*dqacq_handler_t) (struct obd_device * obd, struct qunit_data * qd,
int opc);
-/*
-#ifdef HAVE_VFS_DQ_OFF
-#define LL_DQUOT_OFF(sb, remount) vfs_dq_off(sb, remount)
-#else
-#define LL_DQUOT_OFF(sb, remount) DQUOT_OFF(sb)
-#endif
-*/
-
-#define LL_DQUOT_OFF(sb) DQUOT_OFF(sb)
-
-
/* user quota is turned on on filter */
#define LQC_USRQUOTA_FLAG (1 << 0)
/* group quota is turned on on filter */
#define LQS_KEY_ID(key) (key & 0xffffffff)
#define LQS_KEY_GRP(key) (key >> 32)
-static inline void __lqs_getref(struct lustre_qunit_size *lqs)
+static inline void lqs_getref(struct lustre_qunit_size *lqs)
{
int count = cfs_atomic_inc_return(&lqs->lqs_refcount);
- if (count == 2) /* quota_create_lqs */
- cfs_atomic_inc(&lqs->lqs_ctxt->lqc_lqs);
CDEBUG(D_INFO, "lqs=%p refcount %d\n", lqs, count);
}
-static inline void lqs_getref(struct lustre_qunit_size *lqs)
+static inline void lqs_putref(struct lustre_qunit_size *lqs)
{
- __lqs_getref(lqs);
-}
+ int count = cfs_atomic_read(&lqs->lqs_refcount);
-static inline void __lqs_putref(struct lustre_qunit_size *lqs)
-{
- LASSERT(cfs_atomic_read(&lqs->lqs_refcount) > 0);
+ LASSERT(count > 0);
+ CDEBUG(D_INFO, "lqs=%p refcount %d\n", lqs, count - 1);
- if (cfs_atomic_dec_return(&lqs->lqs_refcount) == 1)
+ if (cfs_atomic_dec_and_test(&lqs->lqs_refcount)) {
if (cfs_atomic_dec_and_test(&lqs->lqs_ctxt->lqc_lqs))
cfs_waitq_signal(&lqs->lqs_ctxt->lqc_lqs_waitq);
- CDEBUG(D_INFO, "lqs=%p refcount %d\n",
- lqs, cfs_atomic_read(&lqs->lqs_refcount));
-}
-
-static inline void lqs_putref(struct lustre_qunit_size *lqs)
-{
- __lqs_putref(lqs);
-}
-
-static inline void lqs_initref(struct lustre_qunit_size *lqs)
-{
- cfs_atomic_set(&lqs->lqs_refcount, 0);
+ OBD_FREE_PTR(lqs);
+ }
}
#else
#endif /* !__KERNEL__ */
-#else
-
-#define LL_DQUOT_OFF(sb) do {} while(0)
-
-struct lustre_quota_info {
-};
-
-struct lustre_quota_ctxt {
-};
-
-#endif /* !HAVE_QUOTA_SUPPORT */
-
/* If the (quota limit < qunit * slave count), the slave which can't
* acquire qunit should set it's local limit as MIN_QLIMIT */
#define MIN_QLIMIT 1
RETURN(ret);
}
-static inline int lquota_chkdq(quota_interface_t *interface,
- struct client_obd *cli, const unsigned int qid[])
-{
- int rc;
- ENTRY;
-
- QUOTA_CHECK_OP(interface, chkdq);
- rc = QUOTA_OP(interface, chkdq)(cli, qid);
- RETURN(rc);
-}
-
-static inline int lquota_setdq(quota_interface_t *interface,
- struct client_obd *cli, const unsigned int qid[],
- obd_flag valid, obd_flag flags)
-{
- int rc;
- ENTRY;
-
- QUOTA_CHECK_OP(interface, setdq);
- rc = QUOTA_OP(interface, setdq)(cli, qid, valid, flags);
- RETURN(rc);
-}
-
-static inline int lquota_poll_check(quota_interface_t *interface,
- struct obd_export *exp,
- struct if_quotacheck *qchk)
-{
- int rc;
- ENTRY;
-
- QUOTA_CHECK_OP(interface, poll_check);
- rc = QUOTA_OP(interface, poll_check)(exp, qchk);
- RETURN(rc);
-}
-
static inline int lquota_setinfo(quota_interface_t *interface,
struct obd_device *obd,
void *data)
#endif
#ifndef __KERNEL__
-extern quota_interface_t osc_quota_interface;
-extern quota_interface_t lov_quota_interface;
-extern quota_interface_t mdc_quota_interface;
-extern quota_interface_t lmv_quota_interface;
-
#ifndef MAXQUOTAS
#define MAXQUOTAS 2
#endif
"admin_quotafile_v2.grp" /** group admin quotafile */\
}
+/*
+ * Definitions of structures for vfsv0 quota format
+ * Source linux/fs/quota/quotaio_v2.h
+ *
+ * The following definitions are normally found in private kernel headers.
+ * However, some sites build Lustre against kernel development headers rather
+ * than than full kernel source, so we provide them here for compatibility.
+ */
+#ifdef __KERNEL__
+# if !defined(HAVE_QUOTAIO_H) && !defined(HAVE_FS_QUOTA_QUOTAIO_H) && \
+ !defined(HAVE_FS_QUOTAIO_H)
+
+#include <linux/types.h>
+#include <linux/quota.h>
+
+#define V2_INITQMAGICS {\
+ 0xd9c01f11, /* USRQUOTA */\
+ 0xd9c01927 /* GRPQUOTA */\
+}
+
+/* Header with type and version specific information */
+struct v2_disk_dqinfo {
+ __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */
+ __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */
+ __le32 dqi_flags; /* Flags for quotafile (DQF_*) */
+ __le32 dqi_blocks; /* Number of blocks in file */
+ __le32 dqi_free_blk; /* Number of first free block in the list */
+ __le32 dqi_free_entry; /* Number of block with at least one free entry */
+};
+
+/* First generic header */
+struct v2_disk_dqheader {
+ __le32 dqh_magic; /* Magic number identifying file */
+ __le32 dqh_version; /* File version */
+};
+#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */
+#define QT_TREEOFF 1 /* Offset of tree in file in blocks */
+#define V2_DQTREEOFF QT_TREEOFF
+
+# endif /* !defined(HAVE_QUOTAIO_V1_H) ... */
+#endif /* __KERNEL__ */
+
/** @} quota */
#endif /* _LUSTRE_QUOTA_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff