diff options
Diffstat (limited to 'fs/gfs2/log.c')
| -rw-r--r-- | fs/gfs2/log.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 1e1bda0de43..975712c6660 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; |