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authorOmar Sandoval <osandov@osandov.com>2015-03-16 14:33:53 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2015-04-12 05:29:45 +0300
commit22c6186ecea0be9eff1c399298ad36e94a59995f (patch)
treefffc295f7423e9c8f08dcb014d2b76ed546eb215
parent6f67376318abea58589ebe6d69dffeabb6f6c26a (diff)
downloadlinux-22c6186ecea0be9eff1c399298ad36e94a59995f.tar.xz
direct_IO: remove rw from a_ops->direct_IO()
Now that no one is using rw, remove it completely. Signed-off-by: Omar Sandoval <osandov@osandov.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--Documentation/filesystems/Locking2
-rw-r--r--Documentation/filesystems/vfs.txt2
-rw-r--r--drivers/staging/lustre/lustre/llite/rw26.c4
-rw-r--r--fs/9p/vfs_addr.c3
-rw-r--r--fs/affs/file.c3
-rw-r--r--fs/block_dev.c3
-rw-r--r--fs/btrfs/inode.c4
-rw-r--r--fs/ceph/addr.c3
-rw-r--r--fs/cifs/file.c3
-rw-r--r--fs/exofs/inode.c4
-rw-r--r--fs/ext2/inode.c3
-rw-r--r--fs/ext3/inode.c4
-rw-r--r--fs/ext4/inode.c4
-rw-r--r--fs/f2fs/data.c4
-rw-r--r--fs/fat/inode.c3
-rw-r--r--fs/fuse/file.c3
-rw-r--r--fs/gfs2/aops.c4
-rw-r--r--fs/hfs/inode.c4
-rw-r--r--fs/hfsplus/inode.c4
-rw-r--r--fs/jfs/inode.c4
-rw-r--r--fs/nfs/direct.c3
-rw-r--r--fs/nilfs2/inode.c3
-rw-r--r--fs/ocfs2/aops.c4
-rw-r--r--fs/reiserfs/inode.c4
-rw-r--r--fs/udf/file.c3
-rw-r--r--fs/udf/inode.c3
-rw-r--r--fs/xfs/xfs_aops.c1
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/nfs_fs.h2
-rw-r--r--mm/filemap.c4
-rw-r--r--mm/page_io.c4
31 files changed, 42 insertions, 59 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index c3cd6279e92e..7cdbca44e343 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -196,7 +196,7 @@ prototypes:
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, int);
void (*freepage)(struct page *);
- int (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset);
+ int (*direct_IO)(struct kiocb *, struct iov_iter *iter, loff_t offset);
int (*migratepage)(struct address_space *, struct page *, struct page *);
int (*launder_page)(struct page *);
int (*is_partially_uptodate)(struct page *, unsigned long, unsigned long);
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 207cdca68bed..5d833b32bbcd 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -590,7 +590,7 @@ struct address_space_operations {
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, int);
void (*freepage)(struct page *);
- ssize_t (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset);
+ ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter, loff_t offset);
/* migrate the contents of a page to the specified target */
int (*migratepage) (struct page *, struct page *);
int (*launder_page) (struct page *);
diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c
index 3aa9de6bcc40..0d7ce6b0e23c 100644
--- a/drivers/staging/lustre/lustre/llite/rw26.c
+++ b/drivers/staging/lustre/lustre/llite/rw26.c
@@ -359,8 +359,8 @@ static ssize_t ll_direct_IO_26_seg(const struct lu_env *env, struct cl_io *io,
* up to 22MB for 128kB kmalloc and up to 682MB for 4MB kmalloc. */
#define MAX_DIO_SIZE ((MAX_MALLOC / sizeof(struct brw_page) * PAGE_CACHE_SIZE) & \
~(DT_MAX_BRW_SIZE - 1))
-static ssize_t ll_direct_IO_26(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t file_offset)
+static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t file_offset)
{
struct lu_env *env;
struct cl_io *io;
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index dd5543b1d183..be35d05a4d0e 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -230,7 +230,6 @@ static int v9fs_launder_page(struct page *page)
/**
* v9fs_direct_IO - 9P address space operation for direct I/O
- * @rw: direction (read or write)
* @iocb: target I/O control block
* @iov: array of vectors that define I/O buffer
* @pos: offset in file to begin the operation
@@ -248,7 +247,7 @@ static int v9fs_launder_page(struct page *page)
*
*/
static ssize_t
-v9fs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
+v9fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
{
struct file *file = iocb->ki_filp;
ssize_t n;
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 7f05a468d594..dcf27951781c 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -389,8 +389,7 @@ static void affs_write_failed(struct address_space *mapping, loff_t to)
}
static ssize_t
-affs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+affs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index bc23afd35fdb..6e3de63c3055 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -146,8 +146,7 @@ blkdev_get_block(struct inode *inode, sector_t iblock,
}
static ssize_t
-blkdev_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ca69e83d4f3c..43192e10cc43 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8114,8 +8114,8 @@ out:
return retval;
}
-static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index fd5599d32362..155ab9c0246b 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1198,8 +1198,7 @@ static int ceph_write_end(struct file *file, struct address_space *mapping,
* intercept O_DIRECT reads and writes early, this function should
* never get called.
*/
-static ssize_t ceph_direct_io(int rw, struct kiocb *iocb,
- struct iov_iter *iter,
+static ssize_t ceph_direct_io(struct kiocb *iocb, struct iov_iter *iter,
loff_t pos)
{
WARN_ON(1);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ca30c391a894..72394c5abd0f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3877,8 +3877,7 @@ void cifs_oplock_break(struct work_struct *work)
* Direct IO is not yet supported in the cached mode.
*/
static ssize_t
-cifs_direct_io(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t pos)
+cifs_direct_io(struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
{
/*
* FIXME
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index a198e94813fe..35073aaec6e0 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -963,8 +963,8 @@ static void exofs_invalidatepage(struct page *page, unsigned int offset,
/* TODO: Should be easy enough to do proprly */
-static ssize_t exofs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t exofs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
return 0;
}
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 685e514c57dd..e1abf75e994c 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -851,8 +851,7 @@ static sector_t ext2_bmap(struct address_space *mapping, sector_t block)
}
static ssize_t
-ext2_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+ext2_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index c70839d26ccd..13c0868c7160 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1820,8 +1820,8 @@ static int ext3_releasepage(struct page *page, gfp_t wait)
* crashes then stale disk data _may_ be exposed inside the file. But current
* VFS code falls back into buffered path in that case so we are safe.
*/
-static ssize_t ext3_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t ext3_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index cf6ba6536035..42c942a950e1 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3089,8 +3089,8 @@ retake_lock:
return ret;
}
-static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ce25f62edfa7..319eda511c4f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1135,8 +1135,8 @@ static int check_direct_IO(struct inode *inode, struct iov_iter *iter,
return 0;
}
-static ssize_t f2fs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 342d791b28db..41b729933638 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -245,8 +245,7 @@ static int fat_write_end(struct file *file, struct address_space *mapping,
return err;
}
-static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter,
+static ssize_t fat_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
loff_t offset)
{
struct file *file = iocb->ki_filp;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c1a67da6a8a0..3d355e946991 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2782,8 +2782,7 @@ static inline loff_t fuse_round_up(loff_t off)
}
static ssize_t
-fuse_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
{
DECLARE_COMPLETION_ONSTACK(wait);
ssize_t ret = 0;
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index e22e6e686a11..20dd33da92de 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -1038,8 +1038,8 @@ static int gfs2_ok_for_dio(struct gfs2_inode *ip, loff_t offset)
-static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 0085d527a55c..75fd5d873c19 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -124,8 +124,8 @@ static int hfs_releasepage(struct page *page, gfp_t mask)
return res ? try_to_free_buffers(page) : 0;
}
-static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t hfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index afcde36b506b..a43811f90935 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -122,8 +122,8 @@ static int hfsplus_releasepage(struct page *page, gfp_t mask)
return res ? try_to_free_buffers(page) : 0;
}
-static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t hfsplus_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index e7047b63ffc5..070dc4b33544 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -330,8 +330,8 @@ static sector_t jfs_bmap(struct address_space *mapping, sector_t block)
return generic_block_bmap(mapping, block, jfs_get_block);
}
-static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t jfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index e8482b8f4830..06503bc604e1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -240,7 +240,6 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
/**
* nfs_direct_IO - NFS address space operation for direct I/O
- * @rw: direction (read or write)
* @iocb: target I/O control block
* @iov: array of vectors that define I/O buffer
* @pos: offset in file to begin the operation
@@ -251,7 +250,7 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
* shunt off direct read and write requests before the VFS gets them,
* so this method is only ever called for swap.
*/
-ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
+ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
{
struct inode *inode = iocb->ki_filp->f_mapping->host;
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 4726f1493d5d..36f057fa8aa3 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -305,8 +305,7 @@ static int nilfs_write_end(struct file *file, struct address_space *mapping,
}
static ssize_t
-nilfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+nilfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 0ee9474cca46..28b5ad81bbec 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -818,9 +818,7 @@ out:
return ret;
}
-static ssize_t ocfs2_direct_IO(int rw,
- struct kiocb *iocb,
- struct iov_iter *iter,
+static ssize_t ocfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
loff_t offset)
{
struct file *file = iocb->ki_filp;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index d61ab13244a8..742242b60972 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -3278,8 +3278,8 @@ static int reiserfs_releasepage(struct page *page, gfp_t unused_gfp_flags)
* We thank Mingming Cao for helping us understand in great detail what
* to do in this section of the code.
*/
-static ssize_t reiserfs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t reiserfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 74050bff64f4..78d42548b260 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -100,8 +100,7 @@ static int udf_adinicb_write_begin(struct file *file,
return 0;
}
-static ssize_t udf_adinicb_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter,
+static ssize_t udf_adinicb_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
loff_t offset)
{
/* Fallback to buffered I/O. */
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index a685aea93068..4f178c83b04f 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -215,8 +215,7 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
return ret;
}
-static ssize_t udf_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter,
+static ssize_t udf_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
loff_t offset)
{
struct file *file = iocb->ki_filp;
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 532d5279df2f..1d8eef9cf0f5 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1495,7 +1495,6 @@ xfs_end_io_direct_write(
STATIC ssize_t
xfs_vm_direct_IO(
- int rw,
struct kiocb *iocb,
struct iov_iter *iter,
loff_t offset)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 295bc589fe1b..72e3759de8c3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -383,7 +383,7 @@ struct address_space_operations {
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, gfp_t);
void (*freepage)(struct page *);
- ssize_t (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset);
+ ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter, loff_t offset);
/*
* migrate the contents of a page to the specified target. If
* migrate_mode is MIGRATE_ASYNC, it must not block.
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index b01ccf371fdc..3d1b0d2fe55e 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -447,7 +447,7 @@ static inline struct rpc_cred *nfs_file_cred(struct file *file)
/*
* linux/fs/nfs/direct.c
*/
-extern ssize_t nfs_direct_IO(int, struct kiocb *, struct iov_iter *, loff_t);
+extern ssize_t nfs_direct_IO(struct kiocb *, struct iov_iter *, loff_t);
extern ssize_t nfs_file_direct_read(struct kiocb *iocb,
struct iov_iter *iter,
loff_t pos);
diff --git a/mm/filemap.c b/mm/filemap.c
index 876f4e6f3ed6..9920db455f05 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1707,7 +1707,7 @@ generic_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
pos + count - 1);
if (!retval) {
struct iov_iter data = *iter;
- retval = mapping->a_ops->direct_IO(READ, iocb, &data, pos);
+ retval = mapping->a_ops->direct_IO(iocb, &data, pos);
}
if (retval > 0) {
@@ -2395,7 +2395,7 @@ generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)
}
data = *from;
- written = mapping->a_ops->direct_IO(WRITE, iocb, &data, pos);
+ written = mapping->a_ops->direct_IO(iocb, &data, pos);
/*
* Finally, try again to invalidate clean pages which might have been
diff --git a/mm/page_io.c b/mm/page_io.c
index a96c8562d835..6424869e275e 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -277,9 +277,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
set_page_writeback(page);
unlock_page(page);
- ret = mapping->a_ops->direct_IO(ITER_BVEC | WRITE,
- &kiocb, &from,
- kiocb.ki_pos);
+ ret = mapping->a_ops->direct_IO(&kiocb, &from, kiocb.ki_pos);
if (ret == PAGE_SIZE) {
count_vm_event(PSWPOUT);
ret = 0;