diff options
Diffstat (limited to 'fs/splice.c')
-rw-r--r-- | fs/splice.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/fs/splice.c b/fs/splice.c index efdbfece9932..8f1dfaecc8f0 100644 --- a/fs/splice.c +++ b/fs/splice.c | |||
@@ -399,17 +399,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, | |||
399 | * If the page isn't uptodate, we may need to start io on it | 399 | * If the page isn't uptodate, we may need to start io on it |
400 | */ | 400 | */ |
401 | if (!PageUptodate(page)) { | 401 | if (!PageUptodate(page)) { |
402 | /* | 402 | lock_page(page); |
403 | * If in nonblock mode then dont block on waiting | ||
404 | * for an in-flight io page | ||
405 | */ | ||
406 | if (flags & SPLICE_F_NONBLOCK) { | ||
407 | if (!trylock_page(page)) { | ||
408 | error = -EAGAIN; | ||
409 | break; | ||
410 | } | ||
411 | } else | ||
412 | lock_page(page); | ||
413 | 403 | ||
414 | /* | 404 | /* |
415 | * Page was truncated, or invalidated by the | 405 | * Page was truncated, or invalidated by the |
@@ -597,7 +587,6 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, | |||
597 | struct page *pages[PIPE_DEF_BUFFERS]; | 587 | struct page *pages[PIPE_DEF_BUFFERS]; |
598 | struct partial_page partial[PIPE_DEF_BUFFERS]; | 588 | struct partial_page partial[PIPE_DEF_BUFFERS]; |
599 | struct iovec *vec, __vec[PIPE_DEF_BUFFERS]; | 589 | struct iovec *vec, __vec[PIPE_DEF_BUFFERS]; |
600 | pgoff_t index; | ||
601 | ssize_t res; | 590 | ssize_t res; |
602 | size_t this_len; | 591 | size_t this_len; |
603 | int error; | 592 | int error; |
@@ -621,7 +610,6 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, | |||
621 | goto shrink_ret; | 610 | goto shrink_ret; |
622 | } | 611 | } |
623 | 612 | ||
624 | index = *ppos >> PAGE_CACHE_SHIFT; | ||
625 | offset = *ppos & ~PAGE_CACHE_MASK; | 613 | offset = *ppos & ~PAGE_CACHE_MASK; |
626 | nr_pages = (len + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; | 614 | nr_pages = (len + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; |
627 | 615 | ||