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-rw-r--r--fs/gfs2/glops.c2
-rw-r--r--fs/gfs2/incore.h6
-rw-r--r--fs/gfs2/log.c28
-rw-r--r--fs/gfs2/lops.c32
-rw-r--r--fs/gfs2/lops.h5
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/gfs2/trans.c7
7 files changed, 53 insertions, 29 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 3bf0631..54b66809 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -82,6 +82,8 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
struct gfs2_trans tr;
memset(&tr, 0, sizeof(tr));
+ INIT_LIST_HEAD(&tr.tr_buf);
+ INIT_LIST_HEAD(&tr.tr_databuf);
tr.tr_revokes = atomic_read(&gl->gl_ail_count);
if (!tr.tr_revokes)
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 645655c..99aab64 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -52,7 +52,7 @@ struct gfs2_log_header_host {
*/
struct gfs2_log_operations {
- void (*lo_before_commit) (struct gfs2_sbd *sdp);
+ void (*lo_before_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr);
void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr);
void (*lo_before_scan) (struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head, int pass);
@@ -476,6 +476,8 @@ struct gfs2_trans {
unsigned int tr_num_revoke_rm;
struct list_head tr_list;
+ struct list_head tr_databuf;
+ struct list_head tr_buf;
unsigned int tr_first;
struct list_head tr_ail1_list;
@@ -756,9 +758,7 @@ struct gfs2_sbd {
unsigned int sd_log_num_rg;
unsigned int sd_log_num_databuf;
- struct list_head sd_log_le_buf;
struct list_head sd_log_le_revoke;
- struct list_head sd_log_le_databuf;
struct list_head sd_log_le_ordered;
spinlock_t sd_ordered_lock;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 1e1bda0..975712c 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -712,7 +712,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
tr->tr_first = sdp->sd_log_flush_head;
gfs2_ordered_write(sdp);
- lops_before_commit(sdp);
+ lops_before_commit(sdp, tr);
gfs2_log_flush_bio(sdp, WRITE);
if (sdp->sd_log_head != sdp->sd_log_flush_head) {
@@ -744,6 +744,27 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
kfree(tr);
}
+/**
+ * gfs2_merge_trans - Merge a new transaction into a cached transaction
+ * @old: Original transaction to be expanded
+ * @new: New transaction to be merged
+ */
+
+static void gfs2_merge_trans(struct gfs2_trans *old, struct gfs2_trans *new)
+{
+ WARN_ON_ONCE(old->tr_attached != 1);
+
+ old->tr_num_buf_new += new->tr_num_buf_new;
+ old->tr_num_databuf_new += new->tr_num_databuf_new;
+ old->tr_num_buf_rm += new->tr_num_buf_rm;
+ old->tr_num_databuf_rm += new->tr_num_databuf_rm;
+ old->tr_num_revoke += new->tr_num_revoke;
+ old->tr_num_revoke_rm += new->tr_num_revoke_rm;
+
+ list_splice_tail_init(&new->tr_databuf, &old->tr_databuf);
+ list_splice_tail_init(&new->tr_buf, &old->tr_buf);
+}
+
static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
{
unsigned int reserved;
@@ -766,8 +787,9 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
sdp->sd_jdesc->jd_blocks);
sdp->sd_log_blks_reserved = reserved;
- if (sdp->sd_log_tr == NULL &&
- (tr->tr_num_buf_new || tr->tr_num_databuf_new)) {
+ if (sdp->sd_log_tr) {
+ gfs2_merge_trans(sdp->sd_log_tr, tr);
+ } else if (tr->tr_num_buf_new || tr->tr_num_databuf_new) {
gfs2_assert_withdraw(sdp, tr->tr_t_gh.gh_gl);
sdp->sd_log_tr = tr;
tr->tr_attached = 1;
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 7669379..ee9ec7f 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -491,24 +491,23 @@ static void gfs2_before_commit(struct gfs2_sbd *sdp, unsigned int limit,
gfs2_log_unlock(sdp);
}
-static void buf_lo_before_commit(struct gfs2_sbd *sdp)
+static void buf_lo_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
{
unsigned int limit = buf_limit(sdp); /* 503 for 4k blocks */
-
- gfs2_before_commit(sdp, limit, sdp->sd_log_num_buf,
- &sdp->sd_log_le_buf, 0);
+ if (tr == NULL)
+ return;
+ gfs2_before_commit(sdp, limit, sdp->sd_log_num_buf, &tr->tr_buf, 0);
}
static void buf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
{
- struct list_head *head = &sdp->sd_log_le_buf;
+ struct list_head *head;
struct gfs2_bufdata *bd;
- if (tr == NULL) {
- gfs2_assert(sdp, list_empty(head));
+ if (tr == NULL)
return;
- }
+ head = &tr->tr_buf;
while (!list_empty(head)) {
bd = list_entry(head->next, struct gfs2_bufdata, bd_list);
list_del_init(&bd->bd_list);
@@ -620,7 +619,7 @@ static void buf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass)
jd->jd_jid, sdp->sd_replayed_blocks, sdp->sd_found_blocks);
}
-static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
+static void revoke_lo_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
{
struct gfs2_meta_header *mh;
unsigned int offset;
@@ -760,12 +759,12 @@ static void revoke_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass)
*
*/
-static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
+static void databuf_lo_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
{
unsigned int limit = buf_limit(sdp) / 2;
-
- gfs2_before_commit(sdp, limit, sdp->sd_log_num_databuf,
- &sdp->sd_log_le_databuf, 1);
+ if (tr == NULL)
+ return;
+ gfs2_before_commit(sdp, limit, sdp->sd_log_num_databuf, &tr->tr_databuf, 1);
}
static int databuf_lo_scan_elements(struct gfs2_jdesc *jd, unsigned int start,
@@ -840,14 +839,13 @@ static void databuf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass)
static void databuf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
{
- struct list_head *head = &sdp->sd_log_le_databuf;
+ struct list_head *head;
struct gfs2_bufdata *bd;
- if (tr == NULL) {
- gfs2_assert(sdp, list_empty(head));
+ if (tr == NULL)
return;
- }
+ head = &tr->tr_databuf;
while (!list_empty(head)) {
bd = list_entry(head->next, struct gfs2_bufdata, bd_list);
list_del_init(&bd->bd_list);
diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h
index 9ca2e64..a65a7ba 100644
--- a/fs/gfs2/lops.h
+++ b/fs/gfs2/lops.h
@@ -46,12 +46,13 @@ static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
return limit;
}
-static inline void lops_before_commit(struct gfs2_sbd *sdp)
+static inline void lops_before_commit(struct gfs2_sbd *sdp,
+ struct gfs2_trans *tr)
{
int x;
for (x = 0; gfs2_log_ops[x]; x++)
if (gfs2_log_ops[x]->lo_before_commit)
- gfs2_log_ops[x]->lo_before_commit(sdp);
+ gfs2_log_ops[x]->lo_before_commit(sdp, tr);
}
static inline void lops_after_commit(struct gfs2_sbd *sdp,
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index c6872d0..1f855a7 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -114,9 +114,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
spin_lock_init(&sdp->sd_log_lock);
atomic_set(&sdp->sd_log_pinned, 0);
- INIT_LIST_HEAD(&sdp->sd_log_le_buf);
INIT_LIST_HEAD(&sdp->sd_log_le_revoke);
- INIT_LIST_HEAD(&sdp->sd_log_le_databuf);
INIT_LIST_HEAD(&sdp->sd_log_le_ordered);
spin_lock_init(&sdp->sd_ordered_lock);
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 963b28c..e0464a2 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -51,6 +51,9 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
if (revokes)
tr->tr_reserved += gfs2_struct2blk(sdp, revokes,
sizeof(u64));
+ INIT_LIST_HEAD(&tr->tr_databuf);
+ INIT_LIST_HEAD(&tr->tr_buf);
+
sb_start_intwrite(sdp->sd_vfs);
gfs2_holder_init(sdp->sd_trans_gl, LM_ST_SHARED, 0, &tr->tr_t_gh);
@@ -211,7 +214,7 @@ void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh)
gfs2_pin(sdp, bd->bd_bh);
tr->tr_num_databuf_new++;
sdp->sd_log_num_databuf++;
- list_add_tail(&bd->bd_list, &sdp->sd_log_le_databuf);
+ list_add_tail(&bd->bd_list, &tr->tr_databuf);
}
gfs2_log_unlock(sdp);
unlock_buffer(bh);
@@ -239,7 +242,7 @@ static void meta_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
mh->__pad0 = cpu_to_be64(0);
mh->mh_jid = cpu_to_be32(sdp->sd_jdesc->jd_jid);
sdp->sd_log_num_buf++;
- list_add(&bd->bd_list, &sdp->sd_log_le_buf);
+ list_add(&bd->bd_list, &tr->tr_buf);
tr->tr_num_buf_new++;
}
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