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author | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-13 11:13:27 -0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-13 11:13:27 -0400 |
commit | faa31ce85f626dff30ba865684bd1f0ad97a9ca0 (patch) | |
tree | 24e2573df5da036c832972fecc227e2628941aac /fs/gfs2 | |
parent | 16feb9fec0e1f74339bd6992130ceedb3aa9567e (diff) | |
download | op-kernel-dev-faa31ce85f626dff30ba865684bd1f0ad97a9ca0.zip op-kernel-dev-faa31ce85f626dff30ba865684bd1f0ad97a9ca0.tar.gz |
[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.c | 40 |
1 files changed, 14 insertions, 26 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 8fce592..50f8805 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)); |