This patch renames relayfs_file_operations to relay_file_operations,
and the file operations themselves from relayfs_XXX to relay_file_XXX,
to make it more clear that they refer to relay files.
Signed-off-by: Tom Zanussi <[email protected]>
---
fs/relayfs/inode.c | 89 +++++++++++++++++++++++----------------------
fs/relayfs/relay.c | 2 -
include/linux/relayfs_fs.h | 5 +-
3 files changed, 50 insertions(+), 46 deletions(-)
diff --git a/fs/relayfs/inode.c b/fs/relayfs/inode.c
--- a/fs/relayfs/inode.c
+++ b/fs/relayfs/inode.c
@@ -247,13 +247,13 @@ int relayfs_remove_dir(struct dentry *de
}
/**
- * relayfs_open - open file op for relayfs files
+ * relay_file_open - open file op for relay files
* @inode: the inode
* @filp: the file
*
* Increments the channel buffer refcount.
*/
-static int relayfs_open(struct inode *inode, struct file *filp)
+static int relay_file_open(struct inode *inode, struct file *filp)
{
struct rchan_buf *buf = inode->u.generic_ip;
kref_get(&buf->kref);
@@ -263,26 +263,26 @@ static int relayfs_open(struct inode *in
}
/**
- * relayfs_mmap - mmap file op for relayfs files
+ * relay_file_mmap - mmap file op for relay files
* @filp: the file
* @vma: the vma describing what to map
*
* Calls upon relay_mmap_buf to map the file into user space.
*/
-static int relayfs_mmap(struct file *filp, struct vm_area_struct *vma)
+static int relay_file_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct rchan_buf *buf = filp->private_data;
return relay_mmap_buf(buf, vma);
}
/**
- * relayfs_poll - poll file op for relayfs files
+ * relay_file_poll - poll file op for relay files
* @filp: the file
* @wait: poll table
*
* Poll implemention.
*/
-static unsigned int relayfs_poll(struct file *filp, poll_table *wait)
+static unsigned int relay_file_poll(struct file *filp, poll_table *wait)
{
unsigned int mask = 0;
struct rchan_buf *buf = filp->private_data;
@@ -300,14 +300,14 @@ static unsigned int relayfs_poll(struct
}
/**
- * relayfs_release - release file op for relayfs files
+ * relay_file_release - release file op for relay files
* @inode: the inode
* @filp: the file
*
* Decrements the channel refcount, as the filesystem is
* no longer using it.
*/
-static int relayfs_release(struct inode *inode, struct file *filp)
+static int relay_file_release(struct inode *inode, struct file *filp)
{
struct rchan_buf *buf = filp->private_data;
kref_put(&buf->kref, relay_remove_buf);
@@ -316,11 +316,11 @@ static int relayfs_release(struct inode
}
/**
- * relayfs_read_consume - update the consumed count for the buffer
+ * relay_file_read_consume - update the consumed count for the buffer
*/
-static void relayfs_read_consume(struct rchan_buf *buf,
- size_t read_pos,
- size_t bytes_consumed)
+static void relay_file_read_consume(struct rchan_buf *buf,
+ size_t read_pos,
+ size_t bytes_consumed)
{
size_t subbuf_size = buf->chan->subbuf_size;
size_t n_subbufs = buf->chan->n_subbufs;
@@ -343,9 +343,9 @@ static void relayfs_read_consume(struct
}
/**
- * relayfs_read_avail - boolean, are there unconsumed bytes available?
+ * relay_file_read_avail - boolean, are there unconsumed bytes available?
*/
-static int relayfs_read_avail(struct rchan_buf *buf, size_t read_pos)
+static int relay_file_read_avail(struct rchan_buf *buf, size_t read_pos)
{
size_t bytes_produced, bytes_consumed, write_offset;
size_t subbuf_size = buf->chan->subbuf_size;
@@ -376,16 +376,16 @@ static int relayfs_read_avail(struct rch
if (bytes_produced == bytes_consumed)
return 0;
- relayfs_read_consume(buf, read_pos, 0);
+ relay_file_read_consume(buf, read_pos, 0);
return 1;
}
/**
- * relayfs_read_subbuf_avail - return bytes available in sub-buffer
+ * relay_file_read_subbuf_avail - return bytes available in sub-buffer
*/
-static size_t relayfs_read_subbuf_avail(size_t read_pos,
- struct rchan_buf *buf)
+static size_t relay_file_read_subbuf_avail(size_t read_pos,
+ struct rchan_buf *buf)
{
size_t padding, avail = 0;
size_t read_subbuf, read_offset, write_subbuf, write_offset;
@@ -407,14 +407,14 @@ static size_t relayfs_read_subbuf_avail(
}
/**
- * relayfs_read_start_pos - find the first available byte to read
+ * relay_file_read_start_pos - find the first available byte to read
*
* If the read_pos is in the middle of padding, return the
* position of the first actually available byte, otherwise
* return the original value.
*/
-static size_t relayfs_read_start_pos(size_t read_pos,
- struct rchan_buf *buf)
+static size_t relay_file_read_start_pos(size_t read_pos,
+ struct rchan_buf *buf)
{
size_t read_subbuf, padding, padding_start, padding_end;
size_t subbuf_size = buf->chan->subbuf_size;
@@ -433,11 +433,11 @@ static size_t relayfs_read_start_pos(siz
}
/**
- * relayfs_read_end_pos - return the new read position
+ * relay_file_read_end_pos - return the new read position
*/
-static size_t relayfs_read_end_pos(struct rchan_buf *buf,
- size_t read_pos,
- size_t count)
+static size_t relay_file_read_end_pos(struct rchan_buf *buf,
+ size_t read_pos,
+ size_t count)
{
size_t read_subbuf, padding, end_pos;
size_t subbuf_size = buf->chan->subbuf_size;
@@ -456,7 +456,7 @@ static size_t relayfs_read_end_pos(struc
}
/**
- * relayfs_read - read file op for relayfs files
+ * relay_file_read - read file op for relay files
* @filp: the file
* @buffer: the userspace buffer
* @count: number of bytes to read
@@ -465,10 +465,10 @@ static size_t relayfs_read_end_pos(struc
* Reads count bytes or the number of bytes available in the
* current sub-buffer being read, whichever is smaller.
*/
-static ssize_t relayfs_read(struct file *filp,
- char __user *buffer,
- size_t count,
- loff_t *ppos)
+static ssize_t relay_file_read(struct file *filp,
+ char __user *buffer,
+ size_t count,
+ loff_t *ppos)
{
struct rchan_buf *buf = filp->private_data;
struct inode *inode = filp->f_dentry->d_inode;
@@ -477,11 +477,11 @@ static ssize_t relayfs_read(struct file
void *from;
down(&inode->i_sem);
- if(!relayfs_read_avail(buf, *ppos))
+ if(!relay_file_read_avail(buf, *ppos))
goto out;
- read_start = relayfs_read_start_pos(*ppos, buf);
- avail = relayfs_read_subbuf_avail(read_start, buf);
+ read_start = relay_file_read_start_pos(*ppos, buf);
+ avail = relay_file_read_subbuf_avail(read_start, buf);
if (!avail)
goto out;
@@ -491,20 +491,20 @@ static ssize_t relayfs_read(struct file
ret = -EFAULT;
goto out;
}
- relayfs_read_consume(buf, read_start, count);
- *ppos = relayfs_read_end_pos(buf, read_start, count);
+ relay_file_read_consume(buf, read_start, count);
+ *ppos = relay_file_read_end_pos(buf, read_start, count);
out:
up(&inode->i_sem);
return ret;
}
-struct file_operations relayfs_file_operations = {
- .open = relayfs_open,
- .poll = relayfs_poll,
- .mmap = relayfs_mmap,
- .read = relayfs_read,
+struct file_operations relay_file_operations = {
+ .open = relay_file_open,
+ .poll = relay_file_poll,
+ .mmap = relay_file_mmap,
+ .read = relay_file_read,
.llseek = no_llseek,
- .release = relayfs_release,
+ .release = relay_file_release,
};
static struct super_operations relayfs_ops = {
@@ -558,13 +558,18 @@ static int __init init_relayfs_fs(void)
static void __exit exit_relayfs_fs(void)
{
+
+
+
+
+
unregister_filesystem(&relayfs_fs_type);
}
module_init(init_relayfs_fs)
module_exit(exit_relayfs_fs)
-EXPORT_SYMBOL_GPL(relayfs_file_operations);
+EXPORT_SYMBOL_GPL(relay_file_operations);
EXPORT_SYMBOL_GPL(relayfs_create_dir);
EXPORT_SYMBOL_GPL(relayfs_remove_dir);
EXPORT_SYMBOL_GPL(relayfs_create_file);
diff --git a/fs/relayfs/relay.c b/fs/relayfs/relay.c
--- a/fs/relayfs/relay.c
+++ b/fs/relayfs/relay.c
@@ -90,7 +90,7 @@ static struct dentry *create_buf_file_de
int *is_global)
{
return relayfs_create_file(filename, parent, mode,
- &relayfs_file_operations, buf);
+ &relay_file_operations, buf);
}
/*
diff --git a/include/linux/relayfs_fs.h b/include/linux/relayfs_fs.h
--- a/include/linux/relayfs_fs.h
+++ b/include/linux/relayfs_fs.h
@@ -278,10 +278,9 @@ static inline void subbuf_start_reserve(
}
/*
- * exported relayfs file operations, fs/relayfs/inode.c
+ * exported relay file operations, fs/relayfs/inode.c
*/
-
-extern struct file_operations relayfs_file_operations;
+extern struct file_operations relay_file_operations;
#endif /* _LINUX_RELAYFS_FS_H */
-
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