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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-13 11:13:27 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-13 11:13:27 -0400
commitfaa31ce85f626dff30ba865684bd1f0ad97a9ca0 (patch)
tree24e2573df5da036c832972fecc227e2628941aac /fs/gfs2
parent16feb9fec0e1f74339bd6992130ceedb3aa9567e (diff)
[GFS2] Tidy up log.c
Based upon previous feedback from lkml and also removing some commented out debugging which is no longer needed. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/log.c40
1 files changed, 14 insertions, 26 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 8fce592f401..50f88059c3d 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -47,8 +47,7 @@ unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
unsigned int first, second;
blks = 1;
- first = (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_log_descriptor)) /
- ssize;
+ first = (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_log_descriptor)) / ssize;
if (nstruct > first) {
second = (sdp->sd_sb.sb_bsize -
@@ -230,8 +229,7 @@ static u64 log_bmap(struct gfs2_sbd *sdp, unsigned int lbn)
* Returns: the distance in blocks
*/
-static inline unsigned int log_distance(struct gfs2_sbd *sdp,
- unsigned int newer,
+static inline unsigned int log_distance(struct gfs2_sbd *sdp, unsigned int newer,
unsigned int older)
{
int dist;
@@ -250,11 +248,10 @@ static unsigned int current_tail(struct gfs2_sbd *sdp)
gfs2_log_lock(sdp);
- if (list_empty(&sdp->sd_ail1_list))
+ if (list_empty(&sdp->sd_ail1_list)) {
tail = sdp->sd_log_head;
- else {
- ai = list_entry(sdp->sd_ail1_list.prev, struct gfs2_ail,
- ai_list);
+ } else {
+ ai = list_entry(sdp->sd_ail1_list.prev, struct gfs2_ail, ai_list);
tail = ai->ai_first;
}
@@ -266,8 +263,7 @@ static unsigned int current_tail(struct gfs2_sbd *sdp)
static inline void log_incr_head(struct gfs2_sbd *sdp)
{
if (sdp->sd_log_flush_head == sdp->sd_log_tail)
- gfs2_assert_withdraw(sdp,
- sdp->sd_log_flush_head == sdp->sd_log_head);
+ gfs2_assert_withdraw(sdp, sdp->sd_log_flush_head == sdp->sd_log_head);
if (++sdp->sd_log_flush_head == sdp->sd_jdesc->jd_blocks) {
sdp->sd_log_flush_head = 0;
@@ -343,9 +339,7 @@ static void log_pull_tail(struct gfs2_sbd *sdp, unsigned int new_tail, int pull)
gfs2_log_lock(sdp);
sdp->sd_log_blks_free += dist - (pull ? 1 : 0);
- /* printk(KERN_INFO "pull tail refunding %u blocks (%u left) pull=%d\n", dist - (pull ? 1 : 0), sdp->sd_log_blks_free, pull); */
- gfs2_assert_withdraw(sdp,
- sdp->sd_log_blks_free <= sdp->sd_jdesc->jd_blocks);
+ gfs2_assert_withdraw(sdp, sdp->sd_log_blks_free <= sdp->sd_jdesc->jd_blocks);
gfs2_log_unlock(sdp);
sdp->sd_log_tail = new_tail;
@@ -366,8 +360,6 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull)
unsigned int tail;
u32 hash;
- /* printk(KERN_INFO "log write header start (flags=%08x, pull=%d)\n", flags, pull); */
-
bh = sb_getblk(sdp->sd_vfs, blkno);
lock_buffer(bh);
memset(bh->b_data, 0, bh->b_size);
@@ -402,8 +394,6 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull)
sdp->sd_log_idle = (tail == sdp->sd_log_flush_head);
log_incr_head(sdp);
-
- /* printk(KERN_INFO "log write header out\n"); */
}
static void log_flush_commit(struct gfs2_sbd *sdp)
@@ -459,8 +449,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
INIT_LIST_HEAD(&ai->ai_ail1_list);
INIT_LIST_HEAD(&ai->ai_ail2_list);
- gfs2_assert_withdraw(sdp,
- sdp->sd_log_num_buf == sdp->sd_log_commited_buf);
+ gfs2_assert_withdraw(sdp, sdp->sd_log_num_buf == sdp->sd_log_commited_buf);
gfs2_assert_withdraw(sdp,
sdp->sd_log_num_revoke == sdp->sd_log_commited_revoke);
@@ -476,13 +465,12 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
lops_after_commit(sdp, ai);
sdp->sd_log_head = sdp->sd_log_flush_head;
- /* printk(KERN_INFO "sd_log_num_hdrs %u\n", sdp->sd_log_num_hdrs); */
sdp->sd_log_blks_free -= sdp->sd_log_num_hdrs;
- sdp->sd_log_blks_reserved =
- sdp->sd_log_commited_buf =
- sdp->sd_log_num_hdrs =
- sdp->sd_log_commited_revoke = 0;
+ sdp->sd_log_blks_reserved = 0;
+ sdp->sd_log_commited_buf = 0;
+ sdp->sd_log_num_hdrs = 0;
+ sdp->sd_log_commited_revoke = 0;
gfs2_log_lock(sdp);
if (!list_empty(&ai->ai_ail1_list)) {
@@ -551,8 +539,9 @@ void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
if (sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks)) {
gfs2_log_unlock(sdp);
gfs2_log_flush(sdp, NULL);
- } else
+ } else {
gfs2_log_unlock(sdp);
+ }
}
/**
@@ -580,7 +569,6 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp)
log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT, 0);
- /* printk(KERN_INFO "sd_log_blks_free %u, sd_jdesc->jd_blocks %u\n", sdp->sd_log_blks_free, sdp->sd_jdesc->jd_blocks); */
gfs2_assert_warn(sdp, sdp->sd_log_blks_free == sdp->sd_jdesc->jd_blocks);
gfs2_assert_warn(sdp, sdp->sd_log_head == sdp->sd_log_tail);
gfs2_assert_warn(sdp, list_empty(&sdp->sd_ail2_list));