X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fgfs2%2Ftrans.c;h=f677b8a83f0cc2d0d3cb7c1ebbee47908620a440;hb=00377d8e3842776d1da633ad9c79a16ecb548b92;hp=3fae3d4e9ae4ac96ea787330001bcdd3bd44f46c;hpb=d0dc80dbafb5c10ad2084831a61bbf945484a139;p=linux-2.6

diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 3fae3d4e9a..f677b8a83f 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -1,10 +1,10 @@
 /*
  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
  * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
+ * of the GNU General Public License version 2.
  */
 
 #include <linux/sched.h>
@@ -14,10 +14,9 @@
 #include <linux/buffer_head.h>
 #include <linux/gfs2_ondisk.h>
 #include <linux/kallsyms.h>
-#include <asm/semaphore.h>
+#include <linux/lm_interface.h>
 
 #include "gfs2.h"
-#include "lm_interface.h"
 #include "incore.h"
 #include "glock.h"
 #include "log.h"
@@ -44,14 +43,13 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
 	tr->tr_revokes = revokes;
 	tr->tr_reserved = 1;
 	if (blocks)
-		tr->tr_reserved += 1 + blocks;
+		tr->tr_reserved += 6 + blocks;
 	if (revokes)
 		tr->tr_reserved += gfs2_struct2blk(sdp, revokes,
-						   sizeof(uint64_t));
+						   sizeof(u64));
 	INIT_LIST_HEAD(&tr->tr_list_buf);
 
-	gfs2_holder_init(sdp->sd_trans_gl, LM_ST_SHARED,
-			 GL_NEVER_RECURSE, &tr->tr_t_gh);
+	gfs2_holder_init(sdp->sd_trans_gl, LM_ST_SHARED, 0, &tr->tr_t_gh);
 
 	error = gfs2_glock_nq(&tr->tr_t_gh);
 	if (error)
@@ -83,20 +81,15 @@ fail_holder_uninit:
 
 void gfs2_trans_end(struct gfs2_sbd *sdp)
 {
-	struct gfs2_trans *tr;
+	struct gfs2_trans *tr = current->journal_info;
 
-	tr = current->journal_info;
+	BUG_ON(!tr);
 	current->journal_info = NULL;
 
-	if (gfs2_assert_warn(sdp, tr))
-		return;
-
 	if (!tr->tr_touched) {
 		gfs2_log_release(sdp, tr->tr_reserved);
-
 		gfs2_glock_dq(&tr->tr_t_gh);
 		gfs2_holder_uninit(&tr->tr_t_gh);
-
 		kfree(tr);
 		return;
 	}
@@ -106,25 +99,19 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
 		       tr->tr_num_buf, tr->tr_blocks);
 		print_symbol(KERN_WARNING "GFS2: Transaction created at: %s\n", tr->tr_ip);
 	}
-	if (gfs2_assert_withdraw(sdp, tr->tr_num_revoke <= tr->tr_revokes))
+	if (gfs2_assert_withdraw(sdp, tr->tr_num_revoke <= tr->tr_revokes)) {
 		fs_err(sdp, "tr_num_revoke = %u, tr_revokes = %u ",
 		       tr->tr_num_revoke, tr->tr_revokes);
 		print_symbol(KERN_WARNING "GFS2: Transaction created at: %s\n", tr->tr_ip);
+	}
 
 	gfs2_log_commit(sdp, tr);
-
         gfs2_glock_dq(&tr->tr_t_gh);
         gfs2_holder_uninit(&tr->tr_t_gh);
-
         kfree(tr);
 
 	if (sdp->sd_vfs->s_flags & MS_SYNCHRONOUS)
-		gfs2_log_flush(sdp);
-}
-
-void gfs2_trans_add_gl(struct gfs2_glock *gl)
-{
-	lops_add(gl->gl_sbd, &gl->gl_le);
+		gfs2_log_flush(sdp, NULL);
 }
 
 /**
@@ -150,39 +137,34 @@ void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta)
 	lops_add(sdp, &bd->bd_le);
 }
 
-void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, uint64_t blkno)
+void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
 {
-	struct gfs2_revoke *rv = kmalloc(sizeof(struct gfs2_revoke),
-					 GFP_NOFS | __GFP_NOFAIL);
-	lops_init_le(&rv->rv_le, &gfs2_revoke_lops);
-	rv->rv_blkno = blkno;
-	lops_add(sdp, &rv->rv_le);
+	BUG_ON(!list_empty(&bd->bd_le.le_list));
+	BUG_ON(!list_empty(&bd->bd_ail_st_list));
+	BUG_ON(!list_empty(&bd->bd_ail_gl_list));
+	lops_init_le(&bd->bd_le, &gfs2_revoke_lops);
+	lops_add(sdp, &bd->bd_le);
 }
 
-void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, uint64_t blkno)
+void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len)
 {
-	struct gfs2_revoke *rv;
-	int found = 0;
+	struct gfs2_bufdata *bd, *tmp;
+	struct gfs2_trans *tr = current->journal_info;
+	unsigned int n = len;
 
 	gfs2_log_lock(sdp);
-
-	list_for_each_entry(rv, &sdp->sd_log_le_revoke, rv_le.le_list) {
-		if (rv->rv_blkno == blkno) {
-			list_del(&rv->rv_le.le_list);
+	list_for_each_entry_safe(bd, tmp, &sdp->sd_log_le_revoke, bd_le.le_list) {
+		if ((bd->bd_blkno >= blkno) && (bd->bd_blkno < (blkno + len))) {
+			list_del_init(&bd->bd_le.le_list);
 			gfs2_assert_withdraw(sdp, sdp->sd_log_num_revoke);
 			sdp->sd_log_num_revoke--;
-			found = 1;
-			break;
+			kmem_cache_free(gfs2_bufdata_cachep, bd);
+			tr->tr_num_revoke_rm++;
+			if (--n == 0)
+				break;
 		}
 	}
-
 	gfs2_log_unlock(sdp);
-
-	if (found) {
-		struct gfs2_trans *tr = current->journal_info;
-		kfree(rv);
-		tr->tr_num_revoke_rm++;
-	}
 }
 
 void gfs2_trans_add_rg(struct gfs2_rgrpd *rgd)