diff options
Diffstat (limited to 'fs/relayfs')
| -rw-r--r-- | fs/relayfs/inode.c | 89 | ||||
| -rw-r--r-- | fs/relayfs/relay.c | 2 |
2 files changed, 48 insertions, 43 deletions
diff --git a/fs/relayfs/inode.c b/fs/relayfs/inode.c index b4c3e0466e9..7b7f2cb5f0e 100644 --- a/fs/relayfs/inode.c +++ b/fs/relayfs/inode.c @@ -247,13 +247,13 @@ int relayfs_remove_dir(struct dentry *dentry) } /** - * 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 *inode, struct file *filp) } /** - * 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 file *filp, poll_table *wait) } /** - * 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 *inode, struct file *filp) } /** - * 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 rchan_buf *buf, } /** - * 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 rchan_buf *buf, size_t read_pos) 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(size_t read_pos, } /** - * 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(size_t read_pos, } /** - * 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(struct rchan_buf *buf, } /** - * 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(struct rchan_buf *buf, * 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 *filp, 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 *filp, 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 index 2935a6ab8ff..abf3ceaace4 100644 --- a/fs/relayfs/relay.c +++ b/fs/relayfs/relay.c @@ -90,7 +90,7 @@ static struct dentry *create_buf_file_default_callback(const char *filename, int *is_global) { return relayfs_create_file(filename, parent, mode, - &relayfs_file_operations, buf); + &relay_file_operations, buf); } /* |