diff options
| -rw-r--r-- | fs/splice.c | 59 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 |
2 files changed, 0 insertions, 61 deletions
diff --git a/fs/splice.c b/fs/splice.c index 584b2b7a1dbe..128ee36a719b 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -811,65 +811,6 @@ ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out, } /** - * generic_file_splice_write_nolock - generic_file_splice_write without mutexes - * @pipe: pipe info - * @out: file to write to - * @ppos: position in @out - * @len: number of bytes to splice - * @flags: splice modifier flags - * - * Description: - * Will either move or copy pages (determined by @flags options) from - * the given pipe inode to the given file. The caller is responsible - * for acquiring i_mutex on both inodes. - * - */ -ssize_t -generic_file_splice_write_nolock(struct pipe_inode_info *pipe, struct file *out, - loff_t *ppos, size_t len, unsigned int flags) -{ - struct address_space *mapping = out->f_mapping; - struct inode *inode = mapping->host; - struct splice_desc sd = { - .total_len = len, - .flags = flags, - .pos = *ppos, - .u.file = out, - }; - ssize_t ret; - int err; - - err = file_remove_suid(out); - if (unlikely(err)) - return err; - - ret = __splice_from_pipe(pipe, &sd, pipe_to_file); - if (ret > 0) { - unsigned long nr_pages; - - *ppos += ret; - nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - - /* - * If file or inode is SYNC and we actually wrote some data, - * sync it. - */ - if (unlikely((out->f_flags & O_SYNC) || IS_SYNC(inode))) { - err = generic_osync_inode(inode, mapping, - OSYNC_METADATA|OSYNC_DATA); - - if (err) - ret = err; - } - balance_dirty_pages_ratelimited_nr(mapping, nr_pages); - } - - return ret; -} - -EXPORT_SYMBOL(generic_file_splice_write_nolock); - -/** * generic_file_splice_write - splice data from a pipe to a file * @pipe: pipe info * @out: file to write to diff --git a/include/linux/fs.h b/include/linux/fs.h index b535aec4406b..907d8f56c6fa 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2209,8 +2209,6 @@ extern ssize_t generic_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); extern ssize_t generic_file_splice_write(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int); -extern ssize_t generic_file_splice_write_nolock(struct pipe_inode_info *, - struct file *, loff_t *, size_t, unsigned int); extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe, struct file *out, loff_t *, size_t len, unsigned int flags); extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, |