diff options
Diffstat (limited to 'fs/splice.c')
-rw-r--r-- | fs/splice.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/splice.c b/fs/splice.c index aa5f6f60b305..399442179d89 100644 --- a/fs/splice.c +++ b/fs/splice.c | |||
@@ -379,13 +379,22 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, | |||
379 | lock_page(page); | 379 | lock_page(page); |
380 | 380 | ||
381 | /* | 381 | /* |
382 | * page was truncated, stop here. if this isn't the | 382 | * Page was truncated, or invalidated by the |
383 | * first page, we'll just complete what we already | 383 | * filesystem. Redo the find/create, but this time the |
384 | * added | 384 | * page is kept locked, so there's no chance of another |
385 | * race with truncate/invalidate. | ||
385 | */ | 386 | */ |
386 | if (!page->mapping) { | 387 | if (!page->mapping) { |
387 | unlock_page(page); | 388 | unlock_page(page); |
388 | break; | 389 | page = find_or_create_page(mapping, index, |
390 | mapping_gfp_mask(mapping)); | ||
391 | |||
392 | if (!page) { | ||
393 | error = -ENOMEM; | ||
394 | break; | ||
395 | } | ||
396 | page_cache_release(pages[page_nr]); | ||
397 | pages[page_nr] = page; | ||
389 | } | 398 | } |
390 | /* | 399 | /* |
391 | * page was already under io and is now done, great | 400 | * page was already under io and is now done, great |