diff options
Diffstat (limited to 'kernel/fs/splice.c')
| -rw-r--r-- | kernel/fs/splice.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/fs/splice.c b/kernel/fs/splice.c index bfe62ae40..4cf700d50 100644 --- a/kernel/fs/splice.c +++ b/kernel/fs/splice.c @@ -261,6 +261,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, return ret; } +EXPORT_SYMBOL_GPL(splice_to_pipe); void spd_release_page(struct splice_pipe_desc *spd, unsigned int i) { @@ -359,7 +360,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, break; error = add_to_page_cache_lru(page, mapping, index, - GFP_KERNEL); + mapping_gfp_constraint(mapping, GFP_KERNEL)); if (unlikely(error)) { page_cache_release(page); if (error == -EEXIST) @@ -808,6 +809,13 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des */ static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd) { + /* + * Check for signal early to make process killable when there are + * always buffers available + */ + if (signal_pending(current)) + return -ERESTARTSYS; + while (!pipe->nrbufs) { if (!pipe->writers) return 0; @@ -883,6 +891,7 @@ ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, struct splice_desc *sd, splice_from_pipe_begin(sd); do { + cond_resched(); ret = splice_from_pipe_next(pipe, sd); if (ret > 0) ret = splice_from_pipe_feed(pipe, sd, actor); |