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sendfile: remove .sendfile from filesystems that use generic_file_sendfile() 

They can use generic_file_splice_read() instead. Since sys_sendfile() now
prefers that, there should be no change in behaviour.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2007-06-01 11:49:19 +02:00
parent 534f2aaa6a
commit 5ffc4ef45b
37 changed files with 43 additions and 131 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/adfs/file.c
View File

@ -33,7 +33,7 @@ const struct file_operations adfs_file_operations = {
.fsync = file_fsync,
.write = do_sync_write,
.aio_write = generic_file_aio_write,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
const struct inode_operations adfs_file_inode_operations = {

2
fs/affs/file.c
View File

@ -35,7 +35,7 @@ const struct file_operations affs_file_operations = {
.open = affs_file_open,
.release = affs_file_release,
.fsync = file_fsync,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
const struct inode_operations affs_file_inode_operations = {

2
fs/afs/file.c
View File

@ -32,7 +32,7 @@ const struct file_operations afs_file_operations = {
.aio_read = generic_file_aio_read,
.aio_write = afs_file_write,
.mmap = generic_file_readonly_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.fsync = afs_fsync,
};

2
fs/bfs/file.c
View File

@ -24,7 +24,7 @@ const struct file_operations bfs_file_operations = {
.write = do_sync_write,
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
static int bfs_move_block(unsigned long from, unsigned long to, struct super_block *sb)

1
fs/block_dev.c
View File

@ -1346,7 +1346,6 @@ const struct file_operations def_blk_fops = {
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_blkdev_ioctl,
#endif
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
};

8
fs/cifs/cifsfs.c
View File

@ -616,7 +616,7 @@ const struct file_operations cifs_file_ops = {
.fsync = cifs_fsync,
.flush = cifs_flush,
.mmap = cifs_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.llseek = cifs_llseek,
#ifdef CONFIG_CIFS_POSIX
.ioctl = cifs_ioctl,
@ -637,7 +637,7 @@ const struct file_operations cifs_file_direct_ops = {
.lock = cifs_lock,
.fsync = cifs_fsync,
.flush = cifs_flush,
.sendfile = generic_file_sendfile, /* BB removeme BB */
.splice_read = generic_file_splice_read,
#ifdef CONFIG_CIFS_POSIX
.ioctl = cifs_ioctl,
#endif /* CONFIG_CIFS_POSIX */
@ -656,7 +656,7 @@ const struct file_operations cifs_file_nobrl_ops = {
.fsync = cifs_fsync,
.flush = cifs_flush,
.mmap = cifs_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.llseek = cifs_llseek,
#ifdef CONFIG_CIFS_POSIX
.ioctl = cifs_ioctl,
@ -676,7 +676,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
.release = cifs_close,
.fsync = cifs_fsync,
.flush = cifs_flush,
.sendfile = generic_file_sendfile, /* BB removeme BB */
.splice_read = generic_file_splice_read,
#ifdef CONFIG_CIFS_POSIX
.ioctl = cifs_ioctl,
#endif /* CONFIG_CIFS_POSIX */

11
fs/coda/file.c
View File

@ -47,8 +47,9 @@ coda_file_read(struct file *coda_file, char __user *buf, size_t count, loff_t *p
}
static ssize_t
coda_file_sendfile(struct file *coda_file, loff_t *ppos, size_t count,
read_actor_t actor, void *target)
coda_file_splice_read(struct file *coda_file, loff_t *ppos,
struct pipe_inode_info *pipe, size_t count,
unsigned int flags)
{
struct coda_file_info *cfi;
struct file *host_file;
@ -57,10 +58,10 @@ coda_file_sendfile(struct file *coda_file, loff_t *ppos, size_t count,
BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
host_file = cfi->cfi_container;
if (!host_file->f_op || !host_file->f_op->sendfile)
if (!host_file->f_op || !host_file->f_op->splice_read)
return -EINVAL;
return host_file->f_op->sendfile(host_file, ppos, count, actor, target);
return host_file->f_op->splice_read(host_file, ppos, pipe, count,flags);
}
static ssize_t
@ -295,6 +296,6 @@ const struct file_operations coda_file_operations = {
.flush = coda_flush,
.release = coda_release,
.fsync = coda_fsync,
.sendfile = coda_file_sendfile,
.splice_read = coda_file_splice_read,
};

15
fs/ecryptfs/file.c
View File

@ -338,16 +338,17 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag)
return rc;
}
static ssize_t ecryptfs_sendfile(struct file *file, loff_t * ppos,
size_t count, read_actor_t actor, void *target)
static ssize_t ecryptfs_splice_read(struct file *file, loff_t * ppos,
struct pipe_inode_info *pipe, size_t count,
unsigned int flags)
{
struct file *lower_file = NULL;
int rc = -EINVAL;
lower_file = ecryptfs_file_to_lower(file);
if (lower_file->f_op && lower_file->f_op->sendfile)
rc = lower_file->f_op->sendfile(lower_file, ppos, count,
actor, target);
if (lower_file->f_op && lower_file->f_op->splice_read)
rc = lower_file->f_op->splice_read(lower_file, ppos, pipe,
count, flags);
return rc;
}
@ -364,7 +365,7 @@ const struct file_operations ecryptfs_dir_fops = {
.release = ecryptfs_release,
.fsync = ecryptfs_fsync,
.fasync = ecryptfs_fasync,
.sendfile = ecryptfs_sendfile,
.splice_read = ecryptfs_splice_read,
};
const struct file_operations ecryptfs_main_fops = {
@ -381,7 +382,7 @@ const struct file_operations ecryptfs_main_fops = {
.release = ecryptfs_release,
.fsync = ecryptfs_fsync,
.fasync = ecryptfs_fasync,
.sendfile = ecryptfs_sendfile,
.splice_read = ecryptfs_splice_read,
};
static int

1
fs/ext2/file.c
View File

@ -53,7 +53,6 @@ const struct file_operations ext2_file_operations = {
.open = generic_file_open,
.release = ext2_release_file,
.fsync = ext2_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
};

1
fs/ext3/file.c
View File

@ -120,7 +120,6 @@ const struct file_operations ext3_file_operations = {
.open = generic_file_open,
.release = ext3_release_file,
.fsync = ext3_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
};

1
fs/ext4/file.c
View File

@ -120,7 +120,6 @@ const struct file_operations ext4_file_operations = {
.open = generic_file_open,
.release = ext4_release_file,
.fsync = ext4_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
};

2
fs/fat/file.c
View File

@ -134,7 +134,7 @@ const struct file_operations fat_file_operations = {
.release = fat_file_release,
.ioctl = fat_generic_ioctl,
.fsync = file_fsync,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
static int fat_cont_expand(struct inode *inode, loff_t size)

4
fs/fuse/file.c
View File

@ -802,7 +802,7 @@ static const struct file_operations fuse_file_operations = {
.release = fuse_release,
.fsync = fuse_fsync,
.lock = fuse_file_lock,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
static const struct file_operations fuse_direct_io_file_operations = {
@ -814,7 +814,7 @@ static const struct file_operations fuse_direct_io_file_operations = {
.release = fuse_release,
.fsync = fuse_fsync,
.lock = fuse_file_lock,
/* no mmap and sendfile */
/* no mmap and splice_read */
};
static const struct address_space_operations fuse_file_aops = {

1
fs/gfs2/ops_file.c
View File

@ -635,7 +635,6 @@ const struct file_operations gfs2_file_fops = {
.release = gfs2_close,
.fsync = gfs2_fsync,
.lock = gfs2_lock,
.sendfile = generic_file_sendfile,
.flock = gfs2_flock,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,

2
fs/hfs/inode.c
View File

@ -607,7 +607,7 @@ static const struct file_operations hfs_file_operations = {
.write = do_sync_write,
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.fsync = file_fsync,
.open = hfs_file_open,
.release = hfs_file_release,

2
fs/hfsplus/inode.c
View File

@ -288,7 +288,7 @@ static const struct file_operations hfsplus_file_operations = {
.write = do_sync_write,
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.fsync = file_fsync,
.open = hfsplus_file_open,
.release = hfsplus_file_release,

2
fs/hostfs/hostfs_kern.c
View File

@ -390,7 +390,7 @@ int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync)
static const struct file_operations hostfs_file_fops = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
.write = do_sync_write,

2
fs/hpfs/file.c
View File

@ -129,7 +129,7 @@ const struct file_operations hpfs_file_ops =
.mmap = generic_file_mmap,
.release = hpfs_file_release,
.fsync = hpfs_file_fsync,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
const struct inode_operations hpfs_file_iops =

2
fs/jffs2/file.c
View File

@ -47,7 +47,7 @@ const struct file_operations jffs2_file_operations =
.ioctl = jffs2_ioctl,
.mmap = generic_file_readonly_mmap,
.fsync = jffs2_fsync,
.sendfile = generic_file_sendfile
.splice_read = generic_file_splice_read,
};
/* jffs2_file_inode_operations */

1
fs/jfs/file.c
View File

@ -108,7 +108,6 @@ const struct file_operations jfs_file_operations = {
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
.fsync = jfs_fsync,

2
fs/minix/file.c
View File

@ -23,7 +23,7 @@ const struct file_operations minix_file_operations = {
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.fsync = minix_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
const struct inode_operations minix_file_inode_operations = {

2
fs/ntfs/file.c
View File

@ -2276,7 +2276,7 @@ const struct file_operations ntfs_file_ops = {
mounted filesystem. */
.mmap = generic_file_mmap, /* Mmap file. */
.open = ntfs_file_open, /* Open file. */
.sendfile = generic_file_sendfile, /* Zero-copy data send with
.splice_read = generic_file_splice_read /* Zero-copy data send with
the data source being on
the ntfs partition. We do
not need to care about the

1
fs/ocfs2/file.c
View File

@ -1822,7 +1822,6 @@ const struct inode_operations ocfs2_special_file_iops = {
const struct file_operations ocfs2_fops = {
.read = do_sync_read,
.write = do_sync_write,
.sendfile = generic_file_sendfile,
.mmap = ocfs2_mmap,
.fsync = ocfs2_sync_file,
.release = ocfs2_file_release,

2
fs/qnx4/file.c
View File

@ -25,7 +25,7 @@ const struct file_operations qnx4_file_operations =
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.mmap = generic_file_mmap,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
#ifdef CONFIG_QNX4FS_RW
.write = do_sync_write,
.aio_write = generic_file_aio_write,

2
fs/ramfs/file-mmu.c
View File

@ -41,7 +41,7 @@ const struct file_operations ramfs_file_operations = {
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.fsync = simple_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.llseek = generic_file_llseek,
};

2
fs/ramfs/file-nommu.c
View File

@ -42,7 +42,7 @@ const struct file_operations ramfs_file_operations = {
.write = do_sync_write,
.aio_write = generic_file_aio_write,
.fsync = simple_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
.llseek = generic_file_llseek,
};

1
fs/reiserfs/file.c
View File

@ -1531,7 +1531,6 @@ const struct file_operations reiserfs_file_operations = {
.open = generic_file_open,
.release = reiserfs_file_release,
.fsync = reiserfs_sync_file,
.sendfile = generic_file_sendfile,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
.splice_read = generic_file_splice_read,

9
fs/smbfs/file.c
View File

@ -262,8 +262,9 @@ out:
}
static ssize_t
smb_file_sendfile(struct file *file, loff_t *ppos,
size_t count, read_actor_t actor, void *target)
smb_file_splice_read(struct file *file, loff_t *ppos,
struct pipe_inode_info *pipe, size_t count,
unsigned int flags)
{
struct dentry *dentry = file->f_path.dentry;
ssize_t status;
@ -277,7 +278,7 @@ smb_file_sendfile(struct file *file, loff_t *ppos,
DENTRY_PATH(dentry), status);
goto out;
}
status = generic_file_sendfile(file, ppos, count, actor, target);
status = generic_file_splice_read(file, ppos, pipe, count, flags);
out:
return status;
}
@ -416,7 +417,7 @@ const struct file_operations smb_file_operations =
.open = smb_file_open,
.release = smb_file_release,
.fsync = smb_fsync,
.sendfile = smb_file_sendfile,
.splice_read = smb_file_splice_read,
};
const struct inode_operations smb_file_inode_operations =

2
fs/sysv/file.c
View File

@ -27,7 +27,7 @@ const struct file_operations sysv_file_operations = {
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.fsync = sysv_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
const struct inode_operations sysv_file_inode_operations = {

2
fs/udf/file.c
View File

@ -261,7 +261,7 @@ const struct file_operations udf_file_operations = {
.aio_write = udf_file_aio_write,
.release = udf_release_file,
.fsync = udf_fsync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};
const struct inode_operations udf_file_inode_operations = {

2
fs/ufs/file.c
View File

@ -60,5 +60,5 @@ const struct file_operations ufs_file_operations = {
.mmap = generic_file_mmap,
.open = generic_file_open,
.fsync = ufs_sync_file,
.sendfile = generic_file_sendfile,
.splice_read = generic_file_splice_read,
};

26
fs/xfs/linux-2.6/xfs_file.c
View File

@ -123,30 +123,6 @@ xfs_file_aio_write_invis(
return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
}
STATIC ssize_t
xfs_file_sendfile(
struct file *filp,
loff_t *pos,
size_t count,
read_actor_t actor,
void *target)
{
return bhv_vop_sendfile(vn_from_inode(filp->f_path.dentry->d_inode),
filp, pos, 0, count, actor, target, NULL);
}
STATIC ssize_t
xfs_file_sendfile_invis(
struct file *filp,
loff_t *pos,
size_t count,
read_actor_t actor,
void *target)
{
return bhv_vop_sendfile(vn_from_inode(filp->f_path.dentry->d_inode),
filp, pos, IO_INVIS, count, actor, target, NULL);
}
STATIC ssize_t
xfs_file_splice_read(
struct file *infilp,
@ -452,7 +428,6 @@ const struct file_operations xfs_file_operations = {
.write = do_sync_write,
.aio_read = xfs_file_aio_read,
.aio_write = xfs_file_aio_write,
.sendfile = xfs_file_sendfile,
.splice_read = xfs_file_splice_read,
.splice_write = xfs_file_splice_write,
.unlocked_ioctl = xfs_file_ioctl,
@ -475,7 +450,6 @@ const struct file_operations xfs_invis_file_operations = {
.write = do_sync_write,
.aio_read = xfs_file_aio_read_invis,
.aio_write = xfs_file_aio_write_invis,
.sendfile = xfs_file_sendfile_invis,
.splice_read = xfs_file_splice_read_invis,
.splice_write = xfs_file_splice_write_invis,
.unlocked_ioctl = xfs_file_ioctl_invis,

1
fs/xfs/linux-2.6/xfs_linux.h
View File

@ -101,7 +101,6 @@
* Feature macros (disable/enable)
*/
#undef HAVE_REFCACHE /* reference cache not needed for NFS in 2.6 */
#define HAVE_SENDFILE /* sendfile(2) exists in 2.6, but not in 2.4 */
#define HAVE_SPLICE /* a splice(2) exists in 2.6, but not in 2.4 */
#ifdef CONFIG_SMP
#define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */

44
fs/xfs/linux-2.6/xfs_lrw.c
View File

@ -286,50 +286,6 @@ xfs_read(
return ret;
}
ssize_t
xfs_sendfile(
bhv_desc_t *bdp,
struct file *filp,
loff_t *offset,
int ioflags,
size_t count,
read_actor_t actor,
void *target,
cred_t *credp)
{
xfs_inode_t *ip = XFS_BHVTOI(bdp);
xfs_mount_t *mp = ip->i_mount;
ssize_t ret;
XFS_STATS_INC(xs_read_calls);
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
xfs_ilock(ip, XFS_IOLOCK_SHARED);
if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) &&
(!(ioflags & IO_INVIS))) {
bhv_vrwlock_t locktype = VRWLOCK_READ;
int error;
error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp),
*offset, count,
FILP_DELAY_FLAG(filp), &locktype);
if (error) {
xfs_iunlock(ip, XFS_IOLOCK_SHARED);
return -error;
}
}
xfs_rw_enter_trace(XFS_SENDFILE_ENTER, &ip->i_iocore,
(void *)(unsigned long)target, count, *offset, ioflags);
ret = generic_file_sendfile(filp, offset, count, actor, target);
if (ret > 0)
XFS_STATS_ADD(xs_read_bytes, ret);
xfs_iunlock(ip, XFS_IOLOCK_SHARED);
return ret;
}
ssize_t
xfs_splice_read(
bhv_desc_t *bdp,

3
fs/xfs/linux-2.6/xfs_lrw.h
View File

@ -90,9 +90,6 @@ extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *,
extern ssize_t xfs_write(struct bhv_desc *, struct kiocb *,
const struct iovec *, unsigned int,
loff_t *, int, struct cred *);
extern ssize_t xfs_sendfile(struct bhv_desc *, struct file *,
loff_t *, int, size_t, read_actor_t,
void *, struct cred *);
extern ssize_t xfs_splice_read(struct bhv_desc *, struct file *, loff_t *,
struct pipe_inode_info *, size_t, int, int,
struct cred *);

6
fs/xfs/linux-2.6/xfs_vnode.h
View File

@ -139,9 +139,6 @@ typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *,
typedef ssize_t (*vop_write_t)(bhv_desc_t *, struct kiocb *,
const struct iovec *, unsigned int,
loff_t *, int, struct cred *);
typedef ssize_t (*vop_sendfile_t)(bhv_desc_t *, struct file *,
loff_t *, int, size_t, read_actor_t,
void *, struct cred *);
typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *, loff_t *,
struct pipe_inode_info *, size_t, int, int,
struct cred *);
@ -206,7 +203,6 @@ typedef struct bhv_vnodeops {
vop_close_t vop_close;
vop_read_t vop_read;
vop_write_t vop_write;
vop_sendfile_t vop_sendfile;
vop_splice_read_t vop_splice_read;
vop_splice_write_t vop_splice_write;
vop_ioctl_t vop_ioctl;
@ -254,8 +250,6 @@ typedef struct bhv_vnodeops {
VOP(vop_read, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr)
#define bhv_vop_write(vp,file,iov,segs,offset,ioflags,cr) \
VOP(vop_write, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr)
#define bhv_vop_sendfile(vp,f,off,ioflags,cnt,act,targ,cr) \
VOP(vop_sendfile, vp)(VNHEAD(vp),f,off,ioflags,cnt,act,targ,cr)
#define bhv_vop_splice_read(vp,f,o,pipe,cnt,fl,iofl,cr) \
VOP(vop_splice_read, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr)
#define bhv_vop_splice_write(vp,f,o,pipe,cnt,fl,iofl,cr) \

3
fs/xfs/xfs_vnodeops.c
View File

@ -4680,9 +4680,6 @@ bhv_vnodeops_t xfs_vnodeops = {
.vop_open = xfs_open,
.vop_close = xfs_close,
.vop_read = xfs_read,
#ifdef HAVE_SENDFILE
.vop_sendfile = xfs_sendfile,
#endif
#ifdef HAVE_SPLICE
.vop_splice_read = xfs_splice_read,
.vop_splice_write = xfs_splice_write,