Commit ec69b188 authored by Steven Whitehouse's avatar Steven Whitehouse
Browse files

[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: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent fd041f0b

fs/gfs2/daemon.c

+0 −50
Original line number Diff line number Diff line
@@ -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

fs/gfs2/daemon.h

+0 −1
Original line number Diff line number Diff line
@@ -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__ */

fs/gfs2/log.c

+55 −1
Original line number Diff line number Diff line
@@ -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;

}

fs/gfs2/log.h

+1 −2
Original line number Diff line number Diff line
@@ -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__ */