From 503ffeceddb78f38ecd0a5035fd2dd6bbe653f48 Mon Sep 17 00:00:00 2001 From: Dave Young Date: Thu, 26 Jul 2007 11:03:54 +0000 Subject: [PATCH] --- yaml --- r: 67951 b: refs/heads/master c: 52e8c209d6d2bae6766b9940a107c73e943583f1 h: refs/heads/master i: 67949: 018b92e49a73f8220770e67cc884c6257860f581 67947: 9dc9d844fa05db106f66fdfb41b93738d49ad00e 67943: 8eb59abb1bfa0025863fe25c13f4932bad245deb 67935: 0823c4f69e2d9bc2df7a02f1605713af897e0aaf v: v3 --- [refs] | 2 +- trunk/fs/sysfs/file.c | 14 +++++++------- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/[refs] b/[refs] index fef62397fd9e..51a647304bc3 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 2ebefc50161a0a1cdebccd62be749e72abdbec37 +refs/heads/master: 52e8c209d6d2bae6766b9940a107c73e943583f1 diff --git a/trunk/fs/sysfs/file.c b/trunk/fs/sysfs/file.c index 3e1cc062a740..b21d11b46754 100644 --- a/trunk/fs/sysfs/file.c +++ b/trunk/fs/sysfs/file.c @@ -8,8 +8,8 @@ #include #include #include +#include #include -#include #include "sysfs.h" @@ -55,7 +55,7 @@ struct sysfs_buffer { loff_t pos; char * page; struct sysfs_ops * ops; - struct semaphore sem; + struct mutex mutex; int needs_read_fill; int event; }; @@ -128,7 +128,7 @@ sysfs_read_file(struct file *file, char __user *buf, size_t count, loff_t *ppos) struct sysfs_buffer * buffer = file->private_data; ssize_t retval = 0; - down(&buffer->sem); + mutex_lock(&buffer->mutex); if (buffer->needs_read_fill) { retval = fill_read_buffer(file->f_path.dentry,buffer); if (retval) @@ -139,7 +139,7 @@ sysfs_read_file(struct file *file, char __user *buf, size_t count, loff_t *ppos) retval = simple_read_from_buffer(buf, count, ppos, buffer->page, buffer->count); out: - up(&buffer->sem); + mutex_unlock(&buffer->mutex); return retval; } @@ -228,13 +228,13 @@ sysfs_write_file(struct file *file, const char __user *buf, size_t count, loff_t struct sysfs_buffer * buffer = file->private_data; ssize_t len; - down(&buffer->sem); + mutex_lock(&buffer->mutex); len = fill_write_buffer(buffer, buf, count); if (len > 0) len = flush_write_buffer(file->f_path.dentry, buffer, len); if (len > 0) *ppos += len; - up(&buffer->sem); + mutex_unlock(&buffer->mutex); return len; } @@ -294,7 +294,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file) if (!buffer) goto err_out; - init_MUTEX(&buffer->sem); + mutex_init(&buffer->mutex); buffer->needs_read_fill = 1; buffer->ops = ops; file->private_data = buffer;