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[GFS2] Move gfs2_logd into log.c 

This means that we can mark gfs2_ail1_empty static and prepares
the way for further changes.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2007-11-09 10:01:41 +00:00
parent fd041f0b40
commit ec69b18883
4 changed files with 56 additions and 54 deletions
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50
fs/gfs2/daemon.c
View File

@ -82,56 +82,6 @@ int gfs2_recoverd(void *data)
return 0;
}
/**
* gfs2_logd - Update log tail as Active Items get flushed to in-place blocks
* @sdp: Pointer to GFS2 superblock
*
* Also, periodically check to make sure that we're using the most recent
* journal index.
*/
int gfs2_logd(void *data)
{
struct gfs2_sbd *sdp = data;
struct gfs2_holder ji_gh;
unsigned long t;
int need_flush;
while (!kthread_should_stop()) {
/* Advance the log tail */
t = sdp->sd_log_flush_time +
gfs2_tune_get(sdp, gt_log_flush_secs) * HZ;
gfs2_ail1_empty(sdp, DIO_ALL);
gfs2_log_lock(sdp);
need_flush = sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks);
gfs2_log_unlock(sdp);
if (need_flush || time_after_eq(jiffies, t)) {
gfs2_log_flush(sdp, NULL);
sdp->sd_log_flush_time = jiffies;
}
/* Check for latest journal index */
t = sdp->sd_jindex_refresh_time +
gfs2_tune_get(sdp, gt_jindex_refresh_secs) * HZ;
if (time_after_eq(jiffies, t)) {
if (!gfs2_jindex_hold(sdp, &ji_gh))
gfs2_glock_dq_uninit(&ji_gh);
sdp->sd_jindex_refresh_time = jiffies;
}
t = gfs2_tune_get(sdp, gt_logd_secs) * HZ;
if (freezing(current))
refrigerator();
schedule_timeout_interruptible(t);
}
return 0;
}
/**
* gfs2_quotad - Write cached quota changes into the quota file
* @sdp: Pointer to GFS2 superblock

1
fs/gfs2/daemon.h
View File

@ -12,7 +12,6 @@
int gfs2_glockd(void *data);
int gfs2_recoverd(void *data);
int gfs2_logd(void *data);
int gfs2_quotad(void *data);
#endif /* __DAEMON_DOT_H__ */

56
fs/gfs2/log.c
View File

@ -16,6 +16,8 @@
#include <linux/crc32.h>
#include <linux/lm_interface.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include "gfs2.h"
#include "incore.h"
@ -26,6 +28,7 @@
#include "meta_io.h"
#include "util.h"
#include "dir.h"
#include "super.h"
#define PULL 1
@ -208,7 +211,7 @@ static void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags)
gfs2_log_unlock(sdp);
}
int gfs2_ail1_empty(struct gfs2_sbd *sdp, int flags)
static int gfs2_ail1_empty(struct gfs2_sbd *sdp, int flags)
{
struct gfs2_ail *ai, *s;
int ret;
@ -859,3 +862,54 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
}
}
/**
* gfs2_logd - Update log tail as Active Items get flushed to in-place blocks
* @sdp: Pointer to GFS2 superblock
*
* Also, periodically check to make sure that we're using the most recent
* journal index.
*/
int gfs2_logd(void *data)
{
struct gfs2_sbd *sdp = data;
struct gfs2_holder ji_gh;
unsigned long t;
int need_flush;
while (!kthread_should_stop()) {
/* Advance the log tail */
t = sdp->sd_log_flush_time +
gfs2_tune_get(sdp, gt_log_flush_secs) * HZ;
gfs2_ail1_empty(sdp, DIO_ALL);
gfs2_log_lock(sdp);
need_flush = sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks);
gfs2_log_unlock(sdp);
if (need_flush || time_after_eq(jiffies, t)) {
gfs2_log_flush(sdp, NULL);
sdp->sd_log_flush_time = jiffies;
}
/* Check for latest journal index */
t = sdp->sd_jindex_refresh_time +
gfs2_tune_get(sdp, gt_jindex_refresh_secs) * HZ;
if (time_after_eq(jiffies, t)) {
if (!gfs2_jindex_hold(sdp, &ji_gh))
gfs2_glock_dq_uninit(&ji_gh);
sdp->sd_jindex_refresh_time = jiffies;
}
t = gfs2_tune_get(sdp, gt_logd_secs) * HZ;
if (freezing(current))
refrigerator();
schedule_timeout_interruptible(t);
}
return 0;
}

3
fs/gfs2/log.h
View File

@ -48,8 +48,6 @@ static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
unsigned int ssize);
int gfs2_ail1_empty(struct gfs2_sbd *sdp, int flags);
int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
void gfs2_log_incr_head(struct gfs2_sbd *sdp);
@ -70,5 +68,6 @@ void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
void gfs2_log_shutdown(struct gfs2_sbd *sdp);
void gfs2_meta_syncfs(struct gfs2_sbd *sdp);
int gfs2_logd(void *data);
#endif /* __LOG_DOT_H__ */