GFS2: Drop "pull" argument from log_write_header()

The "pull" argument to log_write_header() is only used
for debug purposes and it is not really needed any more. There
are other tests for this particular problem, so I think we can
dispose of it in order to simplify the code.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 4752ead..d886a17 100644 (file)
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -32,8 +32,6 @@
 #include "dir.h"
 #include "trace_gfs2.h"
 
-#define PULL 1
-
 /**
  * gfs2_struct2blk - compute stuff
  * @sdp: the filesystem
@@ -580,7 +578,7 @@ static void gfs2_ordered_wait(struct gfs2_sbd *sdp)
  * Returns: the initialized log buffer descriptor
  */
 
-static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull)
+static void log_write_header(struct gfs2_sbd *sdp, u32 flags)
 {
        u64 blkno = gfs2_log_bmap(sdp, sdp->sd_log_flush_head);
        struct buffer_head *bh;
@@ -628,8 +626,6 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull)
 
        if (sdp->sd_log_tail != tail)
                log_pull_tail(sdp, tail);
-       else
-               gfs2_assert_withdraw(sdp, !pull);
 
        sdp->sd_log_idle = (tail == sdp->sd_log_flush_head);
        gfs2_log_incr_head(sdp);
@@ -680,13 +676,13 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
        lops_before_commit(sdp);
 
        if (sdp->sd_log_head != sdp->sd_log_flush_head) {
-               log_write_header(sdp, 0, 0);
+               log_write_header(sdp, 0);
        } 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);
+               log_write_header(sdp, 0);
        }
        lops_after_commit(sdp, ai);
 
@@ -798,8 +794,7 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp)
        sdp->sd_log_flush_head = sdp->sd_log_head;
        sdp->sd_log_flush_wrapped = 0;
 
-       log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT,
-                        (sdp->sd_log_tail == current_tail(sdp)) ? 0 : PULL);
+       log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT);
 
        gfs2_assert_warn(sdp, atomic_read(&sdp->sd_log_blks_free) == sdp->sd_jdesc->jd_blocks);
        gfs2_assert_warn(sdp, sdp->sd_log_head == sdp->sd_log_tail);