From 82c156f853840645604acd7c2cebcb75ed1b6652 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 22 Sep 2016 23:35:42 -0400
Subject: switch generic_file_splice_read() to use of ->read_iter()
... and kill the ->splice_read() instances that can be switched to it
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/gfs2/file.c | 28 ++--------------------------
1 file changed, 2 insertions(+), 26 deletions(-)
(limited to 'fs/gfs2')
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 320e65e61938..7016a6a7f3c6 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -954,30 +954,6 @@ out_uninit:
return ret;
}
-static ssize_t gfs2_file_splice_read(struct file *in, loff_t *ppos,
- struct pipe_inode_info *pipe, size_t len,
- unsigned int flags)
-{
- struct inode *inode = in->f_mapping->host;
- struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_holder gh;
- int ret;
-
- inode_lock(inode);
-
- ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
- if (ret) {
- inode_unlock(inode);
- return ret;
- }
-
- gfs2_glock_dq_uninit(&gh);
- inode_unlock(inode);
-
- return generic_file_splice_read(in, ppos, pipe, len, flags);
-}
-
-
static ssize_t gfs2_file_splice_write(struct pipe_inode_info *pipe,
struct file *out, loff_t *ppos,
size_t len, unsigned int flags)
@@ -1140,7 +1116,7 @@ const struct file_operations gfs2_file_fops = {
.fsync = gfs2_fsync,
.lock = gfs2_lock,
.flock = gfs2_flock,
- .splice_read = gfs2_file_splice_read,
+ .splice_read = generic_file_splice_read,
.splice_write = gfs2_file_splice_write,
.setlease = simple_nosetlease,
.fallocate = gfs2_fallocate,
@@ -1168,7 +1144,7 @@ const struct file_operations gfs2_file_fops_nolock = {
.open = gfs2_open,
.release = gfs2_release,
.fsync = gfs2_fsync,
- .splice_read = gfs2_file_splice_read,
+ .splice_read = generic_file_splice_read,
.splice_write = gfs2_file_splice_write,
.setlease = generic_setlease,
.fallocate = gfs2_fallocate,
--
cgit v1.2.3-70-g09d2