tree e7943d759656f73490668226b8b1580cb6a47c92
parent 536388be42c938fb6d0eece681526ce13bb50aab
author Dean Roehrich <[EMAIL PROTECTED]> Fri, 02 Sep 2005 15:43:05 +1000
committer Nathan Scott <[EMAIL PROTECTED]> Fri, 02 Sep 2005 15:43:05 +1000
[XFS] send dmapi events from nopage for mmapped files
SGI-PV: 935317
SGI-Modid: xfs-linux:xfs-kern:192007a
Signed-off-by: Dean Roehrich <[EMAIL PROTECTED]>
Signed-off-by: Nathan Scott <[EMAIL PROTECTED]>
fs/xfs/linux-2.6/xfs_file.c | 90 +++++++++++++++-----------------------------
1 files changed, 32 insertions(+), 58 deletions(-)
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -311,6 +311,31 @@ linvfs_fsync(
#define nextdp(dp) ((struct xfs_dirent *)((char *)(dp) + (dp)->d_reclen))
+#ifdef CONFIG_XFS_DMAPI
+
+STATIC struct page *
+linvfs_filemap_nopage(
+ struct vm_area_struct *area,
+ unsigned long address,
+ int *type)
+{
+ struct inode *inode = area->vm_file->f_dentry->d_inode;
+ vnode_t *vp = LINVFS_GET_VP(inode);
+ xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
+ int error;
+
+ ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI);
+
+ error = XFS_SEND_MMAP(mp, area, 0);
+ if (error)
+ return NULL;
+
+ return filemap_nopage(area, address, type);
+}
+
+#endif /* CONFIG_XFS_DMAPI */
+
+
STATIC int
linvfs_readdir(
struct file *filp,
@@ -390,14 +415,6 @@ done:
return -error;
}
-#ifdef CONFIG_XFS_DMAPI
-STATIC void
-linvfs_mmap_close(
- struct vm_area_struct *vma)
-{
- xfs_dm_mm_put(vma);
-}
-#endif /* CONFIG_XFS_DMAPI */
STATIC int
linvfs_file_mmap(
@@ -411,16 +428,11 @@ linvfs_file_mmap(
vma->vm_ops = &linvfs_file_vm_ops;
- if (vp->v_vfsp->vfs_flag & VFS_DMI) {
- xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
-
- error = -XFS_SEND_MMAP(mp, vma, 0);
- if (error)
- return error;
#ifdef CONFIG_XFS_DMAPI
+ if (vp->v_vfsp->vfs_flag & VFS_DMI) {
vma->vm_ops = &linvfs_dmapi_file_vm_ops;
-#endif
}
+#endif /* CONFIG_XFS_DMAPI */
VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
if (!error)
@@ -474,6 +486,7 @@ linvfs_ioctl_invis(
return error;
}
+#ifdef CONFIG_XFS_DMAPI
#ifdef HAVE_VMOP_MPROTECT
STATIC int
linvfs_mprotect(
@@ -494,6 +507,7 @@ linvfs_mprotect(
return error;
}
#endif /* HAVE_VMOP_MPROTECT */
+#endif /* CONFIG_XFS_DMAPI */
#ifdef HAVE_FOP_OPEN_EXEC
/* If the user is attempting to execute a file that is offline then
@@ -528,49 +542,10 @@ open_exec_out:
}
#endif /* HAVE_FOP_OPEN_EXEC */
-/*
- * Temporary workaround to the AIO direct IO write problem.
- * This code can go and we can revert to do_sync_write once
- * the writepage(s) rework is merged.
- */
-STATIC ssize_t
-linvfs_write(
- struct file *filp,
- const char __user *buf,
- size_t len,
- loff_t *ppos)
-{
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, filp);
- kiocb.ki_pos = *ppos;
- ret = __linvfs_write(&kiocb, buf, 0, len, kiocb.ki_pos);
- *ppos = kiocb.ki_pos;
- return ret;
-}
-STATIC ssize_t
-linvfs_write_invis(
- struct file *filp,
- const char __user *buf,
- size_t len,
- loff_t *ppos)
-{
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, filp);
- kiocb.ki_pos = *ppos;
- ret = __linvfs_write(&kiocb, buf, IO_INVIS, len, kiocb.ki_pos);
- *ppos = kiocb.ki_pos;
- return ret;
-}
-
-
struct file_operations linvfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
- .write = linvfs_write,
+ .write = do_sync_write,
.readv = linvfs_readv,
.writev = linvfs_writev,
.aio_read = linvfs_aio_read,
@@ -592,7 +567,7 @@ struct file_operations linvfs_file_opera
struct file_operations linvfs_invis_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
- .write = linvfs_write_invis,
+ .write = do_sync_write,
.readv = linvfs_readv_invis,
.writev = linvfs_writev_invis,
.aio_read = linvfs_aio_read_invis,
@@ -626,8 +601,7 @@ static struct vm_operations_struct linvf
#ifdef CONFIG_XFS_DMAPI
static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
- .close = linvfs_mmap_close,
- .nopage = filemap_nopage,
+ .nopage = linvfs_filemap_nopage,
.populate = filemap_populate,
#ifdef HAVE_VMOP_MPROTECT
.mprotect = linvfs_mprotect,
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
