[PATCH] md - 1 of 2 - Add name of md device to name of thread managing that device.
From: NeilBrown <hidden>
Date: 2003-02-11 04:41:27
### Comments for ChangeSet This allows us to locate and in particular signal the thead that manages a particular device. The next patch will do something with that signal. ----------- Diffstat output ------------ ./drivers/md/raid1.c | 4 ++-- ./drivers/md/raid5.c | 4 ++-- ./include/linux/raid/md_k.h | 1 + ./include/linux/raid/raid1.h | 1 + ./include/linux/raid/raid5.h | 1 + 5 files changed, 7 insertions(+), 4 deletions(-) diff ./drivers/md/raid1.c~current~ ./drivers/md/raid1.c
--- ./drivers/md/raid1.c~current~ 2003-02-11 14:25:46.000000000 +1100
+++ ./drivers/md/raid1.c 2003-02-11 14:25:46.000000000 +1100@@ -1184,9 +1184,9 @@ static int run(mddev_t *mddev) { - const char * name = "raid1d"; + snprintf(conf->thread_name,MD_THREAD_NAME_MAX,"raid1d_md%d",mdidx(mddev)); - conf->thread = md_register_thread(raid1d, conf, name); + conf->thread = md_register_thread(raid1d, conf, conf->thread_name); if (!conf->thread) { printk(THREAD_ERROR, mdidx(mddev)); goto out_free_conf;
diff ./drivers/md/raid5.c~current~ ./drivers/md/raid5.c
--- ./drivers/md/raid5.c~current~ 2003-02-11 14:25:46.000000000 +1100
+++ ./drivers/md/raid5.c 2003-02-11 14:25:46.000000000 +1100@@ -1477,9 +1477,9 @@ static int run (mddev_t *mddev) } { - const char * name = "raid5d"; + snprintf(conf->thread_name,MD_THREAD_NAME_MAX,"raid5d_md%d",mdidx(mddev)); - conf->thread = md_register_thread(raid5d, conf, name); + conf->thread = md_register_thread(raid5d, conf, conf->thread_name); if (!conf->thread) { printk(KERN_ERR "raid5: couldn't allocate thread for md%d\n", mdidx(mddev)); goto abort;
diff ./include/linux/raid/md_k.h~current~ ./include/linux/raid/md_k.h
--- ./include/linux/raid/md_k.h~current~ 2003-02-11 14:25:46.000000000 +1100
+++ ./include/linux/raid/md_k.h 2003-02-11 14:25:46.000000000 +1100@@ -29,6 +29,7 @@ #define LEVEL_LINEAR (-1) #define MaxSector (~(sector_t)0) +#define MD_THREAD_NAME_MAX 14 static inline int pers_to_level (int pers) {
diff ./include/linux/raid/raid1.h~current~ ./include/linux/raid/raid1.h
--- ./include/linux/raid/raid1.h~current~ 2003-02-11 14:25:46.000000000 +1100
+++ ./include/linux/raid/raid1.h 2003-02-11 14:25:46.000000000 +1100@@ -34,6 +34,7 @@ struct r1_private_data_s { mempool_t *r1bio_pool; mempool_t *r1buf_pool; + char thread_name[MD_THREAD_NAME_MAX]; }; typedef struct r1_private_data_s conf_t;
diff ./include/linux/raid/raid5.h~current~ ./include/linux/raid/raid5.h
--- ./include/linux/raid/raid5.h~current~ 2003-02-11 14:25:46.000000000 +1100
+++ ./include/linux/raid/raid5.h 2003-02-11 14:25:46.000000000 +1100@@ -226,6 +226,7 @@ struct raid5_private_data { * waiting for 25% to be free */ spinlock_t device_lock; + char thread_name[MD_THREAD_NAME_MAX]; }; typedef struct raid5_private_data raid5_conf_t;