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Subject[PATCH 21/58] [GFS2] Move gfs2_logd into log.c
Date
From: Steven Whitehouse <swhiteho@redhat.com>

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>

diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c
index 3731ab0..e519919 100644
--- a/fs/gfs2/daemon.c
+++ b/fs/gfs2/daemon.c
@@ -83,56 +83,6 @@ int gfs2_recoverd(void *data)
}

/**
- * 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
*
diff --git a/fs/gfs2/daemon.h b/fs/gfs2/daemon.h
index 0de9b35..4be084f 100644
--- a/fs/gfs2/daemon.h
+++ b/fs/gfs2/daemon.h
@@ -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__ */
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 9192398..e88a684 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -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;
+}
+
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index 4babd43..7711528 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -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__ */
--
1.5.1.2


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