diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_file.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_file.c | 171 |
1 files changed, 67 insertions, 104 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index c847416f6d1..3d4f6dff211 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -21,7 +21,6 @@ #include "xfs_inum.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_trans.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_alloc.h" #include "xfs_btree.h" #include "xfs_attr_sf.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" @@ -58,15 +56,12 @@ __xfs_file_read( { struct iovec iov = {buf, count}; struct file *file = iocb->ki_filp; - vnode_t *vp = vn_from_inode(file->f_dentry->d_inode); - ssize_t rval; + bhv_vnode_t *vp = vn_from_inode(file->f_dentry->d_inode); BUG_ON(iocb->ki_pos != pos); - if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - VOP_READ(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval); - return rval; + return bhv_vop_read(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL); } STATIC ssize_t @@ -100,15 +95,12 @@ __xfs_file_write( struct iovec iov = {(void __user *)buf, count}; struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); - ssize_t rval; + bhv_vnode_t *vp = vn_from_inode(inode); BUG_ON(iocb->ki_pos != pos); if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - - VOP_WRITE(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval); - return rval; + return bhv_vop_write(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL); } STATIC ssize_t @@ -140,7 +132,7 @@ __xfs_file_readv( loff_t *ppos) { struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); struct kiocb kiocb; ssize_t rval; @@ -149,7 +141,8 @@ __xfs_file_readv( if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - VOP_READ(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval); + rval = bhv_vop_read(vp, &kiocb, iov, nr_segs, + &kiocb.ki_pos, ioflags, NULL); *ppos = kiocb.ki_pos; return rval; @@ -184,7 +177,7 @@ __xfs_file_writev( loff_t *ppos) { struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); struct kiocb kiocb; ssize_t rval; @@ -193,7 +186,8 @@ __xfs_file_writev( if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - VOP_WRITE(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval); + rval = bhv_vop_write(vp, &kiocb, iov, nr_segs, + &kiocb.ki_pos, ioflags, NULL); *ppos = kiocb.ki_pos; return rval; @@ -227,11 +221,8 @@ xfs_file_sendfile( read_actor_t actor, void *target) { - vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); - ssize_t rval; - - VOP_SENDFILE(vp, filp, pos, 0, count, actor, target, NULL, rval); - return rval; + return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode), + filp, pos, 0, count, actor, target, NULL); } STATIC ssize_t @@ -242,11 +233,8 @@ xfs_file_sendfile_invis( read_actor_t actor, void *target) { - vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); - ssize_t rval; - - VOP_SENDFILE(vp, filp, pos, IO_INVIS, count, actor, target, NULL, rval); - return rval; + return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode), + filp, pos, IO_INVIS, count, actor, target, NULL); } STATIC ssize_t @@ -257,11 +245,8 @@ xfs_file_splice_read( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(infilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_READ(vp, infilp, ppos, pipe, len, flags, 0, NULL, rval); - return rval; + return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode), + infilp, ppos, pipe, len, flags, 0, NULL); } STATIC ssize_t @@ -272,11 +257,9 @@ xfs_file_splice_read_invis( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(infilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_READ(vp, infilp, ppos, pipe, len, flags, IO_INVIS, NULL, rval); - return rval; + return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode), + infilp, ppos, pipe, len, flags, IO_INVIS, + NULL); } STATIC ssize_t @@ -287,11 +270,8 @@ xfs_file_splice_write( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(outfilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_WRITE(vp, pipe, outfilp, ppos, len, flags, 0, NULL, rval); - return rval; + return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode), + pipe, outfilp, ppos, len, flags, 0, NULL); } STATIC ssize_t @@ -302,11 +282,9 @@ xfs_file_splice_write_invis( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(outfilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_WRITE(vp, pipe, outfilp, ppos, len, flags, IO_INVIS, NULL, rval); - return rval; + return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode), + pipe, outfilp, ppos, len, flags, IO_INVIS, + NULL); } STATIC int @@ -314,13 +292,18 @@ xfs_file_open( struct inode *inode, struct file *filp) { - vnode_t *vp = vn_from_inode(inode); - int error; - if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) return -EFBIG; - VOP_OPEN(vp, NULL, error); - return -error; + return -bhv_vop_open(vn_from_inode(inode), NULL); +} + +STATIC int +xfs_file_close( + struct file *filp, + fl_owner_t id) +{ + return -bhv_vop_close(vn_from_inode(filp->f_dentry->d_inode), 0, + file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL); } STATIC int @@ -328,12 +311,11 @@ xfs_file_release( struct inode *inode, struct file *filp) { - vnode_t *vp = vn_from_inode(inode); - int error = 0; + bhv_vnode_t *vp = vn_from_inode(inode); if (vp) - VOP_RELEASE(vp, error); - return -error; + return -bhv_vop_release(vp); + return 0; } STATIC int @@ -342,15 +324,14 @@ xfs_file_fsync( struct dentry *dentry, int datasync) { - struct inode *inode = dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); - int error; + bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); int flags = FSYNC_WAIT; if (datasync) flags |= FSYNC_DATA; - VOP_FSYNC(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1, error); - return -error; + if (VN_TRUNC(vp)) + VUNTRUNCATE(vp); + return -bhv_vop_fsync(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1); } #ifdef CONFIG_XFS_DMAPI @@ -361,16 +342,11 @@ xfs_vm_nopage( int *type) { struct inode *inode = area->vm_file->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); - xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); - int error; + bhv_vnode_t *vp = vn_from_inode(inode); ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI); - - error = XFS_SEND_MMAP(mp, area, 0); - if (error) + if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), area, 0)) return NULL; - return filemap_nopage(area, address, type); } #endif /* CONFIG_XFS_DMAPI */ @@ -382,7 +358,7 @@ xfs_file_readdir( filldir_t filldir) { int error = 0; - vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); uio_t uio; iovec_t iov; int eof = 0; @@ -417,7 +393,7 @@ xfs_file_readdir( start_offset = uio.uio_offset; - VOP_READDIR(vp, &uio, NULL, &eof, error); + error = bhv_vop_readdir(vp, &uio, NULL, &eof); if ((uio.uio_offset == start_offset) || error) { size = 0; break; @@ -456,38 +432,28 @@ xfs_file_mmap( struct file *filp, struct vm_area_struct *vma) { - struct inode *ip = filp->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(ip); - vattr_t vattr; - int error; - vma->vm_ops = &xfs_file_vm_ops; #ifdef CONFIG_XFS_DMAPI - if (vp->v_vfsp->vfs_flag & VFS_DMI) { + if (vn_from_inode(filp->f_dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI) vma->vm_ops = &xfs_dmapi_file_vm_ops; - } #endif /* CONFIG_XFS_DMAPI */ - vattr.va_mask = XFS_AT_UPDATIME; - VOP_SETATTR(vp, &vattr, XFS_AT_UPDATIME, NULL, error); - if (likely(!error)) - __vn_revalidate(vp, &vattr); /* update flags */ + file_accessed(filp); return 0; } - STATIC long xfs_file_ioctl( struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long p) { int error; struct inode *inode = filp->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); - VOP_IOCTL(vp, inode, filp, 0, cmd, (void __user *)arg, error); + error = bhv_vop_ioctl(vp, inode, filp, 0, cmd, (void __user *)p); VMODIFY(vp); /* NOTE: some of the ioctl's return positive #'s as a @@ -503,13 +469,13 @@ STATIC long xfs_file_ioctl_invis( struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long p) { - struct inode *inode = filp->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); int error; + struct inode *inode = filp->f_dentry->d_inode; + bhv_vnode_t *vp = vn_from_inode(inode); - VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, (void __user *)arg, error); + error = bhv_vop_ioctl(vp, inode, filp, IO_INVIS, cmd, (void __user *)p); VMODIFY(vp); /* NOTE: some of the ioctl's return positive #'s as a @@ -528,7 +494,7 @@ xfs_vm_mprotect( struct vm_area_struct *vma, unsigned int newflags) { - vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode); int error = 0; if (vp->v_vfsp->vfs_flag & VFS_DMI) { @@ -554,24 +520,19 @@ STATIC int xfs_file_open_exec( struct inode *inode) { - vnode_t *vp = vn_from_inode(inode); - xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); - int error = 0; - xfs_inode_t *ip; + bhv_vnode_t *vp = vn_from_inode(inode); - if (vp->v_vfsp->vfs_flag & VFS_DMI) { - ip = xfs_vtoi(vp); - if (!ip) { - error = -EINVAL; - goto open_exec_out; - } - if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) { - error = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, + if (unlikely(vp->v_vfsp->vfs_flag & VFS_DMI)) { + xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); + xfs_inode_t *ip = xfs_vtoi(vp); + + if (!ip) + return -EINVAL; + if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) + return -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, 0, 0, 0, NULL); - } } -open_exec_out: - return error; + return 0; } #endif /* HAVE_FOP_OPEN_EXEC */ @@ -592,6 +553,7 @@ const struct file_operations xfs_file_operations = { #endif .mmap = xfs_file_mmap, .open = xfs_file_open, + .flush = xfs_file_close, .release = xfs_file_release, .fsync = xfs_file_fsync, #ifdef HAVE_FOP_OPEN_EXEC @@ -616,6 +578,7 @@ const struct file_operations xfs_invis_file_operations = { #endif .mmap = xfs_file_mmap, .open = xfs_file_open, + .flush = xfs_file_close, .release = xfs_file_release, .fsync = xfs_file_fsync, }; |