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Code Issues Releases Wiki Activity

gfs2: add more timing info to journal recovery process

Browse source 
Tells you how many milliseconds map_journal_extents and find_jhead
take.

Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Abhi Das 2018-11-09 09:35:14 -06:00 committed by Andreas Gruenbacher
parent 0ebbe4f974
commit 98583b3e87
2 changed files with 8 additions and 2 deletions
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8
fs/gfs2/bmap.c
View file

@ -14,6 +14,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/iomap.h>
#include <linux/ktime.h>
#include "gfs2.h"
#include "incore.h"
@ -2248,7 +2249,9 @@ int gfs2_map_journal_extents(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd)
unsigned int shift = sdp->sd_sb.sb_bsize_shift;
u64 size;
int rc;
ktime_t start, end;
start = ktime_get();
lblock_stop = i_size_read(jd->jd_inode) >> shift;
size = (lblock_stop - lblock) << shift;
jd->nr_extents = 0;
@ -2268,8 +2271,9 @@ int gfs2_map_journal_extents(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd)
lblock += (bh.b_size >> ip->i_inode.i_blkbits);
} while(size > 0);
fs_info(sdp, "journal %d mapped with %u extents\n", jd->jd_jid,
jd->nr_extents);
end = ktime_get();
fs_info(sdp, "journal %d mapped with %u extents in %lldms\n", jd->jd_jid,
jd->nr_extents, ktime_ms_delta(end, start));
return 0;
fail:

2
fs/gfs2/recovery.c
View file

@ -460,6 +460,8 @@ void gfs2_recover_func(struct work_struct *work)
if (error)
goto fail_gunlock_ji;
t_jhd = ktime_get();
fs_info(sdp, "jid=%u: Journal head lookup took %lldms\n", jd->jd_jid,
ktime_ms_delta(t_jhd, t_jlck));
if (!(head.lh_flags & GFS2_LOG_HEAD_UNMOUNT)) {
fs_info(sdp, "jid=%u: Acquiring the transaction lock...\n",