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Diffstat (limited to 'fs/gfs2/lops.c')
-rw-r--r--fs/gfs2/lops.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index f82d84d..aff70f0 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -17,6 +17,7 @@
#include "gfs2.h"
#include "incore.h"
+#include "inode.h"
#include "glock.h"
#include "log.h"
#include "lops.h"
@@ -117,15 +118,13 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
struct gfs2_log_descriptor *ld;
struct gfs2_bufdata *bd1 = NULL, *bd2;
unsigned int total = sdp->sd_log_num_buf;
- unsigned int offset = sizeof(struct gfs2_log_descriptor);
+ unsigned int offset = BUF_OFFSET;
unsigned int limit;
unsigned int num;
unsigned n;
__be64 *ptr;
- offset += sizeof(__be64) - 1;
- offset &= ~(sizeof(__be64) - 1);
- limit = (sdp->sd_sb.sb_bsize - offset)/sizeof(__be64);
+ limit = buf_limit(sdp);
/* for 4k blocks, limit = 503 */
bd1 = bd2 = list_prepare_entry(bd1, &sdp->sd_log_le_buf, bd_le.le_list);
@@ -134,7 +133,6 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
if (total > limit)
num = limit;
bh = gfs2_log_get_buf(sdp);
- sdp->sd_log_num_hdrs++;
ld = (struct gfs2_log_descriptor *)bh->b_data;
ptr = (__be64 *)(bh->b_data + offset);
ld->ld_header.mh_magic = cpu_to_be32(GFS2_MAGIC);
@@ -469,25 +467,28 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le)
struct gfs2_inode *ip = GFS2_I(mapping->host);
gfs2_log_lock(sdp);
+ if (!list_empty(&bd->bd_list_tr)) {
+ gfs2_log_unlock(sdp);
+ return;
+ }
tr->tr_touched = 1;
- if (list_empty(&bd->bd_list_tr) &&
- (ip->i_di.di_flags & GFS2_DIF_JDATA)) {
+ if (gfs2_is_jdata(ip)) {
tr->tr_num_buf++;
list_add(&bd->bd_list_tr, &tr->tr_list_buf);
- gfs2_log_unlock(sdp);
- gfs2_pin(sdp, bd->bd_bh);
- tr->tr_num_buf_new++;
- } else {
- gfs2_log_unlock(sdp);
}
+ gfs2_log_unlock(sdp);
+ if (!list_empty(&le->le_list))
+ return;
+
gfs2_trans_add_gl(bd->bd_gl);
- gfs2_log_lock(sdp);
- if (list_empty(&le->le_list)) {
- if (ip->i_di.di_flags & GFS2_DIF_JDATA)
- sdp->sd_log_num_jdata++;
- sdp->sd_log_num_databuf++;
- list_add(&le->le_list, &sdp->sd_log_le_databuf);
+ if (gfs2_is_jdata(ip)) {
+ sdp->sd_log_num_jdata++;
+ gfs2_pin(sdp, bd->bd_bh);
+ tr->tr_num_databuf_new++;
}
+ sdp->sd_log_num_databuf++;
+ gfs2_log_lock(sdp);
+ list_add(&le->le_list, &sdp->sd_log_le_databuf);
gfs2_log_unlock(sdp);
}
@@ -520,7 +521,6 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
LIST_HEAD(started);
struct gfs2_bufdata *bd1 = NULL, *bd2, *bdt;
struct buffer_head *bh = NULL,*bh1 = NULL;
- unsigned int offset = sizeof(struct gfs2_log_descriptor);
struct gfs2_log_descriptor *ld;
unsigned int limit;
unsigned int total_dbuf = sdp->sd_log_num_databuf;
@@ -528,9 +528,7 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
unsigned int num, n;
__be64 *ptr = NULL;
- offset += 2*sizeof(__be64) - 1;
- offset &= ~(2*sizeof(__be64) - 1);
- limit = (sdp->sd_sb.sb_bsize - offset)/sizeof(__be64);
+ limit = databuf_limit(sdp);
/*
* Start writing ordered buffers, write journaled buffers
@@ -581,10 +579,10 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
gfs2_log_unlock(sdp);
if (!bh) {
bh = gfs2_log_get_buf(sdp);
- sdp->sd_log_num_hdrs++;
ld = (struct gfs2_log_descriptor *)
bh->b_data;
- ptr = (__be64 *)(bh->b_data + offset);
+ ptr = (__be64 *)(bh->b_data +
+ DATABUF_OFFSET);
ld->ld_header.mh_magic =
cpu_to_be32(GFS2_MAGIC);
ld->ld_header.mh_type =
@@ -605,7 +603,7 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
if (unlikely(magic != 0))
set_buffer_escaped(bh1);
gfs2_log_lock(sdp);
- if (n++ > num)
+ if (++n >= num)
break;
} else if (!bh1) {
total_dbuf--;
@@ -622,6 +620,7 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
}
gfs2_log_unlock(sdp);
if (bh) {
+ set_buffer_mapped(bh);
set_buffer_dirty(bh);
ll_rw_block(WRITE, 1, &bh);
bh = NULL;
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