diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
commit | 7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch) | |
tree | 04754a0c6495e57c1fe5f417fbfc99272d353c0e /fs/gfs2/log.c | |
parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) |
Merge commit 'origin/master' into next
Diffstat (limited to 'fs/gfs2/log.c')
-rw-r--r-- | fs/gfs2/log.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index f2e449c595b4..13c6237c5f67 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -28,6 +28,7 @@ #include "meta_io.h" #include "util.h" #include "dir.h" +#include "trace_gfs2.h" #define PULL 1 @@ -313,6 +314,7 @@ int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks) gfs2_log_lock(sdp); } atomic_sub(blks, &sdp->sd_log_blks_free); + trace_gfs2_log_blocks(sdp, -blks); gfs2_log_unlock(sdp); mutex_unlock(&sdp->sd_log_reserve_mutex); @@ -333,6 +335,7 @@ void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks) gfs2_log_lock(sdp); atomic_add(blks, &sdp->sd_log_blks_free); + trace_gfs2_log_blocks(sdp, blks); gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks); gfs2_log_unlock(sdp); @@ -558,6 +561,7 @@ static void log_pull_tail(struct gfs2_sbd *sdp, unsigned int new_tail) gfs2_log_lock(sdp); atomic_add(dist, &sdp->sd_log_blks_free); + trace_gfs2_log_blocks(sdp, dist); gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks); gfs2_log_unlock(sdp); @@ -715,6 +719,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl) up_write(&sdp->sd_log_flush_lock); return; } + trace_gfs2_log_flush(sdp, 1); ai = kzalloc(sizeof(struct gfs2_ail), GFP_NOFS | __GFP_NOFAIL); INIT_LIST_HEAD(&ai->ai_ail1_list); @@ -746,6 +751,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl) else if (sdp->sd_log_tail != current_tail(sdp) && !sdp->sd_log_idle){ gfs2_log_lock(sdp); atomic_dec(&sdp->sd_log_blks_free); /* Adjust for unreserved buffer */ + trace_gfs2_log_blocks(sdp, -1); gfs2_log_unlock(sdp); log_write_header(sdp, 0, PULL); } @@ -763,7 +769,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl) ai = NULL; } gfs2_log_unlock(sdp); - + trace_gfs2_log_flush(sdp, 0); up_write(&sdp->sd_log_flush_lock); kfree(ai); @@ -787,6 +793,7 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr) gfs2_assert_withdraw(sdp, sdp->sd_log_blks_reserved + tr->tr_reserved >= reserved); unused = sdp->sd_log_blks_reserved - reserved + tr->tr_reserved; atomic_add(unused, &sdp->sd_log_blks_free); + trace_gfs2_log_blocks(sdp, unused); gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks); sdp->sd_log_blks_reserved = reserved; |