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Date: Fri, 30 Mar 2012 10:43:48 -0500
From: Dave Kleikamp <dave.kleikamp@...cle.com>
To: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Zach Brown <zab@...bo.net>,
Dave Kleikamp <dave.kleikamp@...cle.com>,
v9fs-developer@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
jfs-discussion@...ts.sourceforge.net, linux-nilfs@...r.kernel.org,
reiserfs-devel@...r.kernel.org
Subject: [RFC PATCH v2 21/21] fs: add read_iter and write_iter to more file systems
File systems that use generic_file_aio_read() and generic_file_aio_write()
can trivially support generic_file_read_iter() and generic_file_write_iter().
This patch adds those file_operations for 9p, ext2, fat, hfs, hfsplus,
jfs, nilfs2, and reiserfs.
Signed-off-by: Dave Kleikamp <dave.kleikamp@...cle.com>
Cc: Zach Brown <zab@...bo.net>
Cc: v9fs-developer@...ts.sourceforge.net
Cc: linux-ext4@...r.kernel.org
Cc: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc: jfs-discussion@...ts.sourceforge.net
Cc: linux-nilfs@...r.kernel.org
Cc: reiserfs-devel@...r.kernel.org
---
fs/9p/vfs_file.c | 4 ++++
fs/ext2/file.c | 2 ++
fs/fat/file.c | 2 ++
fs/hfs/inode.c | 2 ++
fs/hfsplus/inode.c | 2 ++
fs/jfs/file.c | 2 ++
fs/nilfs2/file.c | 2 ++
fs/reiserfs/file.c | 2 ++
8 files changed, 18 insertions(+)
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index fc06fd2..27a76d5 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -744,6 +744,8 @@ const struct file_operations v9fs_cached_file_operations = {
.write = v9fs_cached_file_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.open = v9fs_file_open,
.release = v9fs_dir_release,
.lock = v9fs_file_lock,
@@ -757,6 +759,8 @@ const struct file_operations v9fs_cached_file_operations_dotl = {
.write = v9fs_cached_file_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.open = v9fs_file_open,
.release = v9fs_dir_release,
.lock = v9fs_file_lock_dotl,
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index a5b3a5d..eee8f86 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -66,6 +66,8 @@ const struct file_operations ext2_file_operations = {
.write = do_sync_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.unlocked_ioctl = ext2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ext2_compat_ioctl,
diff --git a/fs/fat/file.c b/fs/fat/file.c
index a71fe37..e602729 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -167,6 +167,8 @@ const struct file_operations fat_file_operations = {
.write = do_sync_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.release = fat_file_release,
.unlocked_ioctl = fat_generic_ioctl,
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 96650e7..42796b8 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -662,8 +662,10 @@ static const struct file_operations hfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
+ .read_iter = generic_file_read_iter,
.write = do_sync_write,
.aio_write = generic_file_aio_write,
+ .write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.splice_read = generic_file_splice_read,
.fsync = hfs_file_fsync,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 76e3f8e..b53d2bb 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -368,8 +368,10 @@ static const struct file_operations hfsplus_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
+ .read_iter = generic_file_read_iter,
.write = do_sync_write,
.aio_write = generic_file_aio_write,
+ .write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.splice_read = generic_file_splice_read,
.fsync = hfsplus_file_fsync,
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 844f946..7a5af5e 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -151,6 +151,8 @@ const struct file_operations jfs_file_operations = {
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 2660152..c884ba5 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -146,6 +146,8 @@ const struct file_operations nilfs_file_operations = {
.write = do_sync_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.unlocked_ioctl = nilfs_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = nilfs_compat_ioctl,
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index ace6350..686f0a3 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -306,6 +306,8 @@ const struct file_operations reiserfs_file_operations = {
.fsync = reiserfs_sync_file,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
.llseek = generic_file_llseek,
--
1.7.9.5
--
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