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Diffstat (limited to 'fs/sysfs/bin.c')
-rw-r--r--fs/sysfs/bin.c76
1 files changed, 37 insertions, 39 deletions
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index a0a500af24a1..4e321f7353fa 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -46,22 +46,22 @@ struct bin_buffer {
};
static int
-fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count)
+fill_read(struct file *file, char *buffer, loff_t off, size_t count)
{
- struct sysfs_dirent *attr_sd = dentry->d_fsdata;
+ struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
int rc;
/* need attr_sd for attr, its parent for kobj */
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return -ENODEV;
rc = -EIO;
if (attr->read)
- rc = attr->read(kobj, attr, buffer, off, count);
+ rc = attr->read(file, kobj, attr, buffer, off, count);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return rc;
}
@@ -70,8 +70,7 @@ static ssize_t
read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
{
struct bin_buffer *bb = file->private_data;
- struct dentry *dentry = file->f_path.dentry;
- int size = dentry->d_inode->i_size;
+ int size = file->f_path.dentry->d_inode->i_size;
loff_t offs = *off;
int count = min_t(size_t, bytes, PAGE_SIZE);
char *temp;
@@ -92,7 +91,7 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
mutex_lock(&bb->mutex);
- count = fill_read(dentry, bb->buffer, offs, count);
+ count = fill_read(file, bb->buffer, offs, count);
if (count < 0) {
mutex_unlock(&bb->mutex);
goto out_free;
@@ -117,22 +116,22 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
}
static int
-flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count)
+flush_write(struct file *file, char *buffer, loff_t offset, size_t count)
{
- struct sysfs_dirent *attr_sd = dentry->d_fsdata;
+ struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
struct bin_attribute *attr = attr_sd->s_bin_attr.bin_attr;
struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
int rc;
/* need attr_sd for attr, its parent for kobj */
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return -ENODEV;
rc = -EIO;
if (attr->write)
- rc = attr->write(kobj, attr, buffer, offset, count);
+ rc = attr->write(file, kobj, attr, buffer, offset, count);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return rc;
}
@@ -141,8 +140,7 @@ static ssize_t write(struct file *file, const char __user *userbuf,
size_t bytes, loff_t *off)
{
struct bin_buffer *bb = file->private_data;
- struct dentry *dentry = file->f_path.dentry;
- int size = dentry->d_inode->i_size;
+ int size = file->f_path.dentry->d_inode->i_size;
loff_t offs = *off;
int count = min_t(size_t, bytes, PAGE_SIZE);
char *temp;
@@ -165,7 +163,7 @@ static ssize_t write(struct file *file, const char __user *userbuf,
memcpy(bb->buffer, temp, count);
- count = flush_write(dentry, bb->buffer, offs, count);
+ count = flush_write(file, bb->buffer, offs, count);
mutex_unlock(&bb->mutex);
if (count > 0)
@@ -184,12 +182,12 @@ static void bin_vma_open(struct vm_area_struct *vma)
if (!bb->vm_ops || !bb->vm_ops->open)
return;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return;
bb->vm_ops->open(vma);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
}
static void bin_vma_close(struct vm_area_struct *vma)
@@ -201,12 +199,12 @@ static void bin_vma_close(struct vm_area_struct *vma)
if (!bb->vm_ops || !bb->vm_ops->close)
return;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return;
bb->vm_ops->close(vma);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
}
static int bin_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
@@ -219,12 +217,12 @@ static int bin_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!bb->vm_ops || !bb->vm_ops->fault)
return VM_FAULT_SIGBUS;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return VM_FAULT_SIGBUS;
ret = bb->vm_ops->fault(vma, vmf);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return ret;
}
@@ -241,12 +239,12 @@ static int bin_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!bb->vm_ops->page_mkwrite)
return 0;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return VM_FAULT_SIGBUS;
ret = bb->vm_ops->page_mkwrite(vma, vmf);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return ret;
}
@@ -261,12 +259,12 @@ static int bin_access(struct vm_area_struct *vma, unsigned long addr,
if (!bb->vm_ops || !bb->vm_ops->access)
return -EINVAL;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return -EINVAL;
ret = bb->vm_ops->access(vma, addr, buf, len, write);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return ret;
}
@@ -281,12 +279,12 @@ static int bin_set_policy(struct vm_area_struct *vma, struct mempolicy *new)
if (!bb->vm_ops || !bb->vm_ops->set_policy)
return 0;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return -EINVAL;
ret = bb->vm_ops->set_policy(vma, new);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return ret;
}
@@ -301,12 +299,12 @@ static struct mempolicy *bin_get_policy(struct vm_area_struct *vma,
if (!bb->vm_ops || !bb->vm_ops->get_policy)
return vma->vm_policy;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return vma->vm_policy;
pol = bb->vm_ops->get_policy(vma, addr);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return pol;
}
@@ -321,12 +319,12 @@ static int bin_migrate(struct vm_area_struct *vma, const nodemask_t *from,
if (!bb->vm_ops || !bb->vm_ops->migrate)
return 0;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return 0;
ret = bb->vm_ops->migrate(vma, from, to, flags);
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return ret;
}
#endif
@@ -356,14 +354,14 @@ static int mmap(struct file *file, struct vm_area_struct *vma)
/* need attr_sd for attr, its parent for kobj */
rc = -ENODEV;
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
goto out_unlock;
rc = -EINVAL;
if (!attr->mmap)
goto out_put;
- rc = attr->mmap(kobj, attr, vma);
+ rc = attr->mmap(file, kobj, attr, vma);
if (rc)
goto out_put;
@@ -384,7 +382,7 @@ static int mmap(struct file *file, struct vm_area_struct *vma)
bb->vm_ops = vma->vm_ops;
vma->vm_ops = &bin_vm_ops;
out_put:
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
out_unlock:
mutex_unlock(&bb->mutex);
@@ -399,7 +397,7 @@ static int open(struct inode * inode, struct file * file)
int error;
/* binary file operations requires both @sd and its parent */
- if (!sysfs_get_active_two(attr_sd))
+ if (!sysfs_get_active(attr_sd))
return -ENODEV;
error = -EACCES;
@@ -426,11 +424,11 @@ static int open(struct inode * inode, struct file * file)
mutex_unlock(&sysfs_bin_lock);
/* open succeeded, put active references */
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
return 0;
err_out:
- sysfs_put_active_two(attr_sd);
+ sysfs_put_active(attr_sd);
kfree(bb);
return error;
}
@@ -501,7 +499,7 @@ int sysfs_create_bin_file(struct kobject *kobj,
void sysfs_remove_bin_file(struct kobject *kobj,
const struct bin_attribute *attr)
{
- sysfs_hash_and_remove(kobj->sd, attr->attr.name);
+ sysfs_hash_and_remove(kobj->sd, NULL, attr->attr.name);
}
EXPORT_SYMBOL_GPL(sysfs_create_bin_file);
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