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-rw-r--r--fs/xfs/xfs_trans.h176
1 files changed, 76 insertions, 100 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index a263aec8b3a..a889963fdd1 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -1,33 +1,19 @@
/*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * 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.
+ * 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.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * 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
*/
#ifndef __XFS_TRANS_H__
#define __XFS_TRANS_H__
@@ -135,19 +121,6 @@ typedef struct xfs_ail_entry {
struct xfs_log_item *ail_back; /* AIL back pointer */
} xfs_ail_entry_t;
-/*
- * This structure is passed as a parameter to xfs_trans_push_ail()
- * and is used to track the what LSN the waiting processes are
- * waiting to become unused.
- */
-typedef struct xfs_ail_ticket {
- xfs_lsn_t at_lsn; /* lsn waitin for */
- struct xfs_ail_ticket *at_forw; /* wait list ptr */
- struct xfs_ail_ticket *at_back; /* wait list ptr */
- sv_t at_sema; /* wait sema */
-} xfs_ail_ticket_t;
-
-
typedef struct xfs_log_item {
xfs_ail_entry_t li_ail; /* AIL pointers */
xfs_lsn_t li_lsn; /* last on-disk lsn */
@@ -247,68 +220,67 @@ typedef struct xfs_log_item_chunk {
* lic_unused to the right value (0 matches all free). The
* lic_descs.lid_index values are set up as each desc is allocated.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT)
-void xfs_lic_init(xfs_log_item_chunk_t *cp);
#define XFS_LIC_INIT(cp) xfs_lic_init(cp)
-#else
-#define XFS_LIC_INIT(cp) ((cp)->lic_free = XFS_LIC_FREEMASK)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT_SLOT)
-void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot);
+static inline void xfs_lic_init(xfs_log_item_chunk_t *cp)
+{
+ cp->lic_free = XFS_LIC_FREEMASK;
+}
+
#define XFS_LIC_INIT_SLOT(cp,slot) xfs_lic_init_slot(cp, slot)
-#else
-#define XFS_LIC_INIT_SLOT(cp,slot) \
- ((cp)->lic_descs[slot].lid_index = (unsigned char)(slot))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_VACANCY)
-int xfs_lic_vacancy(xfs_log_item_chunk_t *cp);
+static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot)
+{
+ cp->lic_descs[slot].lid_index = (unsigned char)(slot);
+}
+
#define XFS_LIC_VACANCY(cp) xfs_lic_vacancy(cp)
-#else
-#define XFS_LIC_VACANCY(cp) (((cp)->lic_free) & XFS_LIC_FREEMASK)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ALL_FREE)
-void xfs_lic_all_free(xfs_log_item_chunk_t *cp);
+static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp)
+{
+ return cp->lic_free & XFS_LIC_FREEMASK;
+}
+
#define XFS_LIC_ALL_FREE(cp) xfs_lic_all_free(cp)
-#else
-#define XFS_LIC_ALL_FREE(cp) ((cp)->lic_free = XFS_LIC_FREEMASK)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ARE_ALL_FREE)
-int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp);
+static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp)
+{
+ cp->lic_free = XFS_LIC_FREEMASK;
+}
+
#define XFS_LIC_ARE_ALL_FREE(cp) xfs_lic_are_all_free(cp)
-#else
-#define XFS_LIC_ARE_ALL_FREE(cp) (((cp)->lic_free & XFS_LIC_FREEMASK) ==\
- XFS_LIC_FREEMASK)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ISFREE)
-int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot);
+static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp)
+{
+ return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK);
+}
+
#define XFS_LIC_ISFREE(cp,slot) xfs_lic_isfree(cp,slot)
-#else
-#define XFS_LIC_ISFREE(cp,slot) ((cp)->lic_free & (1 << (slot)))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_CLAIM)
-void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot);
+static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot)
+{
+ return (cp->lic_free & (1 << slot));
+}
+
#define XFS_LIC_CLAIM(cp,slot) xfs_lic_claim(cp,slot)
-#else
-#define XFS_LIC_CLAIM(cp,slot) ((cp)->lic_free &= ~(1 << (slot)))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_RELSE)
-void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot);
+static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot)
+{
+ cp->lic_free &= ~(1 << slot);
+}
+
#define XFS_LIC_RELSE(cp,slot) xfs_lic_relse(cp,slot)
-#else
-#define XFS_LIC_RELSE(cp,slot) ((cp)->lic_free |= 1 << (slot))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_SLOT)
-xfs_log_item_desc_t *xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot);
+static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot)
+{
+ cp->lic_free |= 1 << slot;
+}
+
#define XFS_LIC_SLOT(cp,slot) xfs_lic_slot(cp,slot)
-#else
-#define XFS_LIC_SLOT(cp,slot) (&((cp)->lic_descs[slot]))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_SLOT)
-int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp);
+static inline xfs_log_item_desc_t *
+xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot)
+{
+ return &(cp->lic_descs[slot]);
+}
+
#define XFS_LIC_DESC_TO_SLOT(dp) xfs_lic_desc_to_slot(dp)
-#else
-#define XFS_LIC_DESC_TO_SLOT(dp) ((uint)((dp)->lid_index))
-#endif
+static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp)
+{
+ return (uint)dp->lid_index;
+}
+
/*
* Calculate the address of a chunk given a descriptor pointer:
* dp - dp->lid_index give the address of the start of the lic_descs array.
@@ -316,15 +288,14 @@ int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp);
* All of this yields the address of the chunk, which is
* cast to a chunk pointer.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_CHUNK)
-xfs_log_item_chunk_t *xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp);
#define XFS_LIC_DESC_TO_CHUNK(dp) xfs_lic_desc_to_chunk(dp)
-#else
-#define XFS_LIC_DESC_TO_CHUNK(dp) ((xfs_log_item_chunk_t*) \
- (((xfs_caddr_t)((dp) - (dp)->lid_index)) -\
- (xfs_caddr_t)(((xfs_log_item_chunk_t*) \
- 0)->lic_descs)))
-#endif
+static inline xfs_log_item_chunk_t *
+xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
+{
+ return (xfs_log_item_chunk_t*) \
+ (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \
+ (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs));
+}
#ifdef __KERNEL__
/*
@@ -341,7 +312,7 @@ typedef struct xfs_log_busy_slot {
#define XFS_LBC_NUM_SLOTS 31
typedef struct xfs_log_busy_chunk {
struct xfs_log_busy_chunk *lbc_next;
- uint lbc_free; /* bitmask of free slots */
+ uint lbc_free; /* free slots bitmask */
ushort lbc_unused; /* first unused */
xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS];
} xfs_log_busy_chunk_t;
@@ -1025,7 +996,12 @@ void xfs_trans_log_efd_extent(xfs_trans_t *,
struct xfs_efd_log_item *,
xfs_fsblock_t,
xfs_extlen_t);
-int xfs_trans_commit(xfs_trans_t *, uint flags, xfs_lsn_t *);
+int _xfs_trans_commit(xfs_trans_t *,
+ uint flags,
+ xfs_lsn_t *,
+ int *);
+#define xfs_trans_commit(tp, flags, lsn) \
+ _xfs_trans_commit(tp, flags, lsn, NULL)
void xfs_trans_cancel(xfs_trans_t *, int);
void xfs_trans_ail_init(struct xfs_mount *);
xfs_lsn_t xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);