Skip to content

Commit

Permalink
Merge branch 'master' of git+ssh://git.melbourne.sgi.com/git/xfs
Browse files Browse the repository at this point in the history
  • Loading branch information
Lachlan McIlroy committed Dec 12, 2008
2 parents cfbe526 + c4cd747 commit 4d9d4eb
Show file tree
Hide file tree
Showing 19 changed files with 149 additions and 375 deletions.
4 changes: 2 additions & 2 deletions fs/xfs/linux-2.6/xfs_buf.c
Original file line number Diff line number Diff line change
Expand Up @@ -1085,7 +1085,7 @@ xfs_bawrite(
bp->b_flags &= ~(XBF_READ | XBF_DELWRI | XBF_READ_AHEAD);
bp->b_flags |= (XBF_WRITE | XBF_ASYNC | _XBF_RUN_QUEUES);

bp->b_fspriv3 = mp;
bp->b_mount = mp;
bp->b_strat = xfs_bdstrat_cb;
return xfs_bdstrat_cb(bp);
}
Expand All @@ -1098,7 +1098,7 @@ xfs_bdwrite(
XB_TRACE(bp, "bdwrite", 0);

bp->b_strat = xfs_bdstrat_cb;
bp->b_fspriv3 = mp;
bp->b_mount = mp;

bp->b_flags &= ~XBF_READ;
bp->b_flags |= (XBF_DELWRI | XBF_ASYNC);
Expand Down
4 changes: 1 addition & 3 deletions fs/xfs/linux-2.6/xfs_buf.h
Original file line number Diff line number Diff line change
Expand Up @@ -168,7 +168,7 @@ typedef struct xfs_buf {
struct completion b_iowait; /* queue for I/O waiters */
void *b_fspriv;
void *b_fspriv2;
void *b_fspriv3;
struct xfs_mount *b_mount;
unsigned short b_error; /* error code on I/O */
unsigned int b_page_count; /* size of page array */
unsigned int b_offset; /* page offset in first page */
Expand Down Expand Up @@ -335,8 +335,6 @@ extern void xfs_buf_trace(xfs_buf_t *, char *, void *, void *);
#define XFS_BUF_SET_FSPRIVATE(bp, val) ((bp)->b_fspriv = (void*)(val))
#define XFS_BUF_FSPRIVATE2(bp, type) ((type)(bp)->b_fspriv2)
#define XFS_BUF_SET_FSPRIVATE2(bp, val) ((bp)->b_fspriv2 = (void*)(val))
#define XFS_BUF_FSPRIVATE3(bp, type) ((type)(bp)->b_fspriv3)
#define XFS_BUF_SET_FSPRIVATE3(bp, val) ((bp)->b_fspriv3 = (void*)(val))
#define XFS_BUF_SET_START(bp) do { } while (0)
#define XFS_BUF_SET_BRELSE_FUNC(bp, func) ((bp)->b_relse = (func))

Expand Down
145 changes: 20 additions & 125 deletions fs/xfs/linux-2.6/xfs_file.c
Original file line number Diff line number Diff line change
Expand Up @@ -45,80 +45,44 @@

static struct vm_operations_struct xfs_file_vm_ops;

STATIC_INLINE ssize_t
__xfs_file_read(
STATIC ssize_t
xfs_file_aio_read(
struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
int ioflags,
loff_t pos)
{
struct file *file = iocb->ki_filp;
int ioflags = IO_ISAIO;

BUG_ON(iocb->ki_pos != pos);
if (unlikely(file->f_flags & O_DIRECT))
ioflags |= IO_ISDIRECT;
if (file->f_mode & FMODE_NOCMTIME)
ioflags |= IO_INVIS;
return xfs_read(XFS_I(file->f_path.dentry->d_inode), iocb, iov,
nr_segs, &iocb->ki_pos, ioflags);
}

STATIC ssize_t
xfs_file_aio_read(
struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
loff_t pos)
{
return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO, pos);
}

STATIC ssize_t
xfs_file_aio_read_invis(
struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
loff_t pos)
{
return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
}

STATIC_INLINE ssize_t
__xfs_file_write(
xfs_file_aio_write(
struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
int ioflags,
loff_t pos)
{
struct file *file = iocb->ki_filp;
struct file *file = iocb->ki_filp;
int ioflags = IO_ISAIO;

BUG_ON(iocb->ki_pos != pos);
if (unlikely(file->f_flags & O_DIRECT))
ioflags |= IO_ISDIRECT;
if (file->f_mode & FMODE_NOCMTIME)
ioflags |= IO_INVIS;
return xfs_write(XFS_I(file->f_mapping->host), iocb, iov, nr_segs,
&iocb->ki_pos, ioflags);
}

STATIC ssize_t
xfs_file_aio_write(
struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
loff_t pos)
{
return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO, pos);
}

STATIC ssize_t
xfs_file_aio_write_invis(
struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
loff_t pos)
{
return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
}

STATIC ssize_t
xfs_file_splice_read(
struct file *infilp,
Expand All @@ -127,20 +91,13 @@ xfs_file_splice_read(
size_t len,
unsigned int flags)
{
return xfs_splice_read(XFS_I(infilp->f_path.dentry->d_inode),
infilp, ppos, pipe, len, flags, 0);
}
int ioflags = 0;

if (infilp->f_mode & FMODE_NOCMTIME)
ioflags |= IO_INVIS;

STATIC ssize_t
xfs_file_splice_read_invis(
struct file *infilp,
loff_t *ppos,
struct pipe_inode_info *pipe,
size_t len,
unsigned int flags)
{
return xfs_splice_read(XFS_I(infilp->f_path.dentry->d_inode),
infilp, ppos, pipe, len, flags, IO_INVIS);
infilp, ppos, pipe, len, flags, ioflags);
}

STATIC ssize_t
Expand All @@ -151,20 +108,13 @@ xfs_file_splice_write(
size_t len,
unsigned int flags)
{
return xfs_splice_write(XFS_I(outfilp->f_path.dentry->d_inode),
pipe, outfilp, ppos, len, flags, 0);
}
int ioflags = 0;

if (outfilp->f_mode & FMODE_NOCMTIME)
ioflags |= IO_INVIS;

STATIC ssize_t
xfs_file_splice_write_invis(
struct pipe_inode_info *pipe,
struct file *outfilp,
loff_t *ppos,
size_t len,
unsigned int flags)
{
return xfs_splice_write(XFS_I(outfilp->f_path.dentry->d_inode),
pipe, outfilp, ppos, len, flags, IO_INVIS);
pipe, outfilp, ppos, len, flags, ioflags);
}

STATIC int
Expand Down Expand Up @@ -275,42 +225,6 @@ xfs_file_mmap(
return 0;
}

STATIC long
xfs_file_ioctl(
struct file *filp,
unsigned int cmd,
unsigned long p)
{
struct inode *inode = filp->f_path.dentry->d_inode;


/* NOTE: some of the ioctl's return positive #'s as a
* byte count indicating success, such as
* readlink_by_handle. So we don't "sign flip"
* like most other routines. This means true
* errors need to be returned as a negative value.
*/
return xfs_ioctl(XFS_I(inode), filp, 0, cmd, (void __user *)p);
}

STATIC long
xfs_file_ioctl_invis(
struct file *filp,
unsigned int cmd,
unsigned long p)
{
struct inode *inode = filp->f_path.dentry->d_inode;


/* NOTE: some of the ioctl's return positive #'s as a
* byte count indicating success, such as
* readlink_by_handle. So we don't "sign flip"
* like most other routines. This means true
* errors need to be returned as a negative value.
*/
return xfs_ioctl(XFS_I(inode), filp, IO_INVIS, cmd, (void __user *)p);
}

/*
* mmap()d file has taken write protection fault and is being made
* writable. We can set the page state up correctly for a writable
Expand Down Expand Up @@ -346,25 +260,6 @@ const struct file_operations xfs_file_operations = {
#endif
};

const struct file_operations xfs_invis_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
.aio_read = xfs_file_aio_read_invis,
.aio_write = xfs_file_aio_write_invis,
.splice_read = xfs_file_splice_read_invis,
.splice_write = xfs_file_splice_write_invis,
.unlocked_ioctl = xfs_file_ioctl_invis,
#ifdef CONFIG_COMPAT
.compat_ioctl = xfs_file_compat_invis_ioctl,
#endif
.mmap = xfs_file_mmap,
.open = xfs_file_open,
.release = xfs_file_release,
.fsync = xfs_file_fsync,
};


const struct file_operations xfs_dir_file_operations = {
.open = xfs_dir_open,
.read = generic_read_dir,
Expand Down
29 changes: 20 additions & 9 deletions fs/xfs/linux-2.6/xfs_ioctl.c
Original file line number Diff line number Diff line change
Expand Up @@ -319,10 +319,11 @@ xfs_open_by_handle(
put_unused_fd(new_fd);
return -XFS_ERROR(-PTR_ERR(filp));
}

if (inode->i_mode & S_IFREG) {
/* invisible operation should not change atime */
filp->f_flags |= O_NOATIME;
filp->f_op = &xfs_invis_file_operations;
filp->f_mode |= FMODE_NOCMTIME;
}

fd_install(new_fd, filp);
Expand Down Expand Up @@ -1328,21 +1329,31 @@ xfs_ioc_getbmapx(
return 0;
}

int
xfs_ioctl(
xfs_inode_t *ip,
/*
* Note: some of the ioctl's return positive numbers as a
* byte count indicating success, such as readlink_by_handle.
* So we don't "sign flip" like most other routines. This means
* true errors need to be returned as a negative value.
*/
long
xfs_file_ioctl(
struct file *filp,
int ioflags,
unsigned int cmd,
void __user *arg)
unsigned long p)
{
struct inode *inode = filp->f_path.dentry->d_inode;
xfs_mount_t *mp = ip->i_mount;
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
void __user *arg = (void __user *)p;
int ioflags = 0;
int error;

xfs_itrace_entry(XFS_I(inode));
switch (cmd) {
if (filp->f_mode & FMODE_NOCMTIME)
ioflags |= IO_INVIS;

xfs_itrace_entry(ip);

switch (cmd) {
case XFS_IOC_ALLOCSP:
case XFS_IOC_FREESP:
case XFS_IOC_RESVSP:
Expand Down
8 changes: 4 additions & 4 deletions fs/xfs/linux-2.6/xfs_ioctl.h
Original file line number Diff line number Diff line change
Expand Up @@ -68,13 +68,13 @@ xfs_attrmulti_attr_remove(
__uint32_t flags);

extern long
xfs_file_compat_ioctl(
struct file *file,
xfs_file_ioctl(
struct file *filp,
unsigned int cmd,
unsigned long arg);
unsigned long p);

extern long
xfs_file_compat_invis_ioctl(
xfs_file_compat_ioctl(
struct file *file,
unsigned int cmd,
unsigned long arg);
Expand Down
Loading

0 comments on commit 4d9d4eb

Please sign in to comment.