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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:22:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:22:42 -0700 |
| commit | 2f9e825d3e0e2b407ae8f082de5c00afcf7378fb (patch) | |
| tree | f8b3ee40674ce4acd5508a0a0bf52a30904caf6c /fs/splice.c | |
| parent | 7ae0dea900b027cd90e8a3e14deca9a19e17638b (diff) | |
| parent | de75d60d5ea235e6e09f4962ab22541ce0fe176a (diff) | |
| download | kernel_samsung_smdk4412-2f9e825d3e0e2b407ae8f082de5c00afcf7378fb.zip kernel_samsung_smdk4412-2f9e825d3e0e2b407ae8f082de5c00afcf7378fb.tar.gz kernel_samsung_smdk4412-2f9e825d3e0e2b407ae8f082de5c00afcf7378fb.tar.bz2 | |
Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block: (149 commits)
block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n
xen-blkfront: fix missing out label
blkdev: fix blkdev_issue_zeroout return value
block: update request stacking methods to support discards
block: fix missing export of blk_types.h
writeback: fix bad _bh spinlock nesting
drbd: revert "delay probes", feature is being re-implemented differently
drbd: Initialize all members of sync_conf to their defaults [Bugz 315]
drbd: Disable delay probes for the upcomming release
writeback: cleanup bdi_register
writeback: add new tracepoints
writeback: remove unnecessary init_timer call
writeback: optimize periodic bdi thread wakeups
writeback: prevent unnecessary bdi threads wakeups
writeback: move bdi threads exiting logic to the forker thread
writeback: restructure bdi forker loop a little
writeback: move last_active to bdi
writeback: do not remove bdi from bdi_list
writeback: simplify bdi code a little
writeback: do not lose wake-ups in bdi threads
...
Fixed up pretty trivial conflicts in drivers/block/virtio_blk.c and
drivers/scsi/scsi_error.c as per Jens.
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 efdbfec..8f1dfae 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -399,17 +399,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, * If the page isn't uptodate, we may need to start io on it */ if (!PageUptodate(page)) { - /* - * If in nonblock mode then dont block on waiting - * for an in-flight io page - */ - if (flags & SPLICE_F_NONBLOCK) { - if (!trylock_page(page)) { - error = -EAGAIN; - break; - } - } else - lock_page(page); + lock_page(page); /* * Page was truncated, or invalidated by the @@ -597,7 +587,6 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, struct page *pages[PIPE_DEF_BUFFERS]; struct partial_page partial[PIPE_DEF_BUFFERS]; struct iovec *vec, __vec[PIPE_DEF_BUFFERS]; - pgoff_t index; ssize_t res; size_t this_len; int error; @@ -621,7 +610,6 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, goto shrink_ret; } - index = *ppos >> PAGE_CACHE_SHIFT; offset = *ppos & ~PAGE_CACHE_MASK; nr_pages = (len + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; |