diff options
Diffstat (limited to 'drivers/char/ps3flash.c')
| -rw-r--r-- | drivers/char/ps3flash.c | 36 |
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c index 85c004a518e..0b311fa277e 100644 --- a/drivers/char/ps3flash.c +++ b/drivers/char/ps3flash.c @@ -22,6 +22,7 @@ #include <linux/miscdevice.h> #include <linux/slab.h> #include <linux/uaccess.h> +#include <linux/module.h> #include <asm/lv1call.h> #include <asm/ps3stor.h> @@ -97,28 +98,8 @@ static int ps3flash_fetch(struct ps3_storage_device *dev, u64 start_sector) static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin) { struct ps3_storage_device *dev = ps3flash_dev; - loff_t res; - - mutex_lock(&file->f_mapping->host->i_mutex); - switch (origin) { - case 1: - offset += file->f_pos; - break; - case 2: - offset += dev->regions[dev->region_idx].size*dev->blk_size; - break; - } - if (offset < 0) { - res = -EINVAL; - goto out; - } - - file->f_pos = offset; - res = file->f_pos; - -out: - mutex_unlock(&file->f_mapping->host->i_mutex); - return res; + return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE, + dev->regions[dev->region_idx].size*dev->blk_size); } static ssize_t ps3flash_read(char __user *userbuf, void *kernelbuf, @@ -305,9 +286,14 @@ static int ps3flash_flush(struct file *file, fl_owner_t id) return ps3flash_writeback(ps3flash_dev); } -static int ps3flash_fsync(struct file *file, int datasync) +static int ps3flash_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - return ps3flash_writeback(ps3flash_dev); + struct inode *inode = file_inode(file); + int err; + mutex_lock(&inode->i_mutex); + err = ps3flash_writeback(ps3flash_dev); + mutex_unlock(&inode->i_mutex); + return err; } static irqreturn_t ps3flash_interrupt(int irq, void *data) @@ -353,7 +339,7 @@ static struct miscdevice ps3flash_misc = { .fops = &ps3flash_fops, }; -static int __devinit ps3flash_probe(struct ps3_system_bus_device *_dev) +static int ps3flash_probe(struct ps3_system_bus_device *_dev) { struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); struct ps3flash_private *priv; |