diff options
author | Bob Peterson <rpeterso@redhat.com> | 2017-06-20 09:52:57 -0500 |
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committer | Bob Peterson <rpeterso@redhat.com> | 2017-06-20 09:52:57 -0500 |
commit | 722f6f62a563108dc0f311bd86120b8fbfa0c6df (patch) | |
tree | cde87fe6eed94fa3ccfe866577aa76a07899bf05 | |
parent | df68f20f56084cffd15add2d7652bcdfb38cd875 (diff) | |
download | lwn-722f6f62a563108dc0f311bd86120b8fbfa0c6df.tar.gz lwn-722f6f62a563108dc0f311bd86120b8fbfa0c6df.zip |
GFS2: Eliminate vestigial sd_log_flush_wrapped
Superblock variable sd_log_flush_wrapped is set, but never referenced,
so this patch eliminates it.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
-rw-r--r-- | fs/gfs2/incore.h | 1 | ||||
-rw-r--r-- | fs/gfs2/log.c | 3 | ||||
-rw-r--r-- | fs/gfs2/lops.c | 4 |
3 files changed, 1 insertions, 7 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 097adb1b3188..638c0203f242 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -820,7 +820,6 @@ struct gfs2_sbd { wait_queue_head_t sd_reserving_log_wait; unsigned int sd_log_flush_head; - u64 sd_log_flush_wrapped; spinlock_t sd_ail_lock; struct list_head sd_ail1_list; diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index f865b96374df..32aa1f05c7ea 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -722,7 +722,6 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags); sdp->sd_log_flush_head = sdp->sd_log_head; - sdp->sd_log_flush_wrapped = 0; tr = sdp->sd_log_tr; if (tr) { sdp->sd_log_tr = NULL; @@ -775,7 +774,6 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, } atomic_dec(&sdp->sd_log_blks_free); /* Adjust for unreserved buffer */ trace_gfs2_log_blocks(sdp, -1); - sdp->sd_log_flush_wrapped = 0; log_write_header(sdp, 0); sdp->sd_log_head = sdp->sd_log_flush_head; } @@ -880,7 +878,6 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp) gfs2_assert_withdraw(sdp, list_empty(&sdp->sd_ail1_list)); sdp->sd_log_flush_head = sdp->sd_log_head; - sdp->sd_log_flush_wrapped = 0; log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT); diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index b1f9144b42c7..2d4ce25a105f 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -134,10 +134,8 @@ static void gfs2_log_incr_head(struct gfs2_sbd *sdp) BUG_ON((sdp->sd_log_flush_head == sdp->sd_log_tail) && (sdp->sd_log_flush_head != sdp->sd_log_head)); - if (++sdp->sd_log_flush_head == sdp->sd_jdesc->jd_blocks) { + if (++sdp->sd_log_flush_head == sdp->sd_jdesc->jd_blocks) sdp->sd_log_flush_head = 0; - sdp->sd_log_flush_wrapped = 1; - } } static u64 gfs2_log_bmap(struct gfs2_sbd *sdp) |