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| author | Arjan van de Ven <arjan@infradead.org> | 2006-01-11 13:16:10 +0100 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2006-01-12 11:53:11 -0600 |
| commit | 0b9506723826c68b50fa33e345700ddcac1bed36 (patch) | |
| tree | da3e432ef4517c47ebdc088c6322d0ac51193127 /drivers/scsi/scsi_proc.c | |
| parent | dacee84b070c4e705a5b6446f1f0a6a6e2f8d7a4 (diff) | |
| download | linux-3.10-0b9506723826c68b50fa33e345700ddcac1bed36.tar.gz linux-3.10-0b9506723826c68b50fa33e345700ddcac1bed36.tar.bz2 linux-3.10-0b9506723826c68b50fa33e345700ddcac1bed36.zip | |
[SCSI] turn most scsi semaphores into mutexes
the scsi layer is using semaphores in a mutex way, this patch converts
these into using mutexes instead
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/scsi_proc.c')
| -rw-r--r-- | drivers/scsi/scsi_proc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index a50958b1b6e..1b5711e714a 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -25,6 +25,7 @@ #include <linux/errno.h> #include <linux/blkdev.h> #include <linux/seq_file.h> +#include <linux/mutex.h> #include <asm/uaccess.h> #include <scsi/scsi.h> @@ -41,7 +42,7 @@ static struct proc_dir_entry *proc_scsi; /* Protect sht->present and sht->proc_dir */ -static DECLARE_MUTEX(global_host_template_sem); +static DEFINE_MUTEX(global_host_template_mutex); static int proc_scsi_read(char *buffer, char **start, off_t offset, int length, int *eof, void *data) @@ -83,7 +84,7 @@ void scsi_proc_hostdir_add(struct scsi_host_template *sht) if (!sht->proc_info) return; - down(&global_host_template_sem); + mutex_lock(&global_host_template_mutex); if (!sht->present++) { sht->proc_dir = proc_mkdir(sht->proc_name, proc_scsi); if (!sht->proc_dir) @@ -92,7 +93,7 @@ void scsi_proc_hostdir_add(struct scsi_host_template *sht) else sht->proc_dir->owner = sht->module; } - up(&global_host_template_sem); + mutex_unlock(&global_host_template_mutex); } void scsi_proc_hostdir_rm(struct scsi_host_template *sht) @@ -100,12 +101,12 @@ void scsi_proc_hostdir_rm(struct scsi_host_template *sht) if (!sht->proc_info) return; - down(&global_host_template_sem); + mutex_lock(&global_host_template_mutex); if (!--sht->present && sht->proc_dir) { remove_proc_entry(sht->proc_name, proc_scsi); sht->proc_dir = NULL; } - up(&global_host_template_sem); + mutex_unlock(&global_host_template_mutex); } void scsi_proc_host_add(struct Scsi_Host *shost) |