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authorHugh Dickins <hughd@google.com>2011-07-25 17:12:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:11 -0700
commit708e3508c2a2204cc276dcdb543009a441bfe91b (patch)
tree9e301ba4ebf3b34a00228c26977feebfba8ad9ef /fs/splice.c
parent2efaca927f5cd7ecd0f1554b8f9b6a9a2c329c03 (diff)
downloadlinux-708e3508c2a2204cc276dcdb543009a441bfe91b.tar.gz
tmpfs: clone shmem_file_splice_read()
Copy __generic_file_splice_read() and generic_file_splice_read() from
fs/splice.c to shmem_file_splice_read() in mm/shmem.c.  Make
page_cache_pipe_buf_ops and spd_release_page() accessible to it.

Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/splice.c')
-rw-r--r--fs/splice.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/splice.c b/fs/splice.c
index aa866d309695..fa2defa8afcf 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -132,7 +132,7 @@ error:
 	return err;
 }
 
-static const struct pipe_buf_operations page_cache_pipe_buf_ops = {
+const struct pipe_buf_operations page_cache_pipe_buf_ops = {
 	.can_merge = 0,
 	.map = generic_pipe_buf_map,
 	.unmap = generic_pipe_buf_unmap,
@@ -264,7 +264,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
 	return ret;
 }
 
-static void spd_release_page(struct splice_pipe_desc *spd, unsigned int i)
+void spd_release_page(struct splice_pipe_desc *spd, unsigned int i)
 {
 	page_cache_release(spd->pages[i]);
 }