* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xfs.h"
+#include "xfs_vnodeops.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
int fs_noerr(void) { return 0; }
int fs_nosys(void) { return ENOSYS; }
void fs_noval(void) { return; }
+/*
+ * note: all filemap functions return negative error codes. These
+ * need to be inverted before returning to the xfs core functions.
+ */
void
-fs_tosspages(
- bhv_desc_t *bdp,
+xfs_tosspages(
+ xfs_inode_t *ip,
xfs_off_t first,
xfs_off_t last,
int fiopt)
{
- vnode_t *vp = BHV_TO_VNODE(bdp);
- struct inode *ip = vn_to_inode(vp);
+ struct address_space *mapping = VFS_I(ip)->i_mapping;
- if (VN_CACHED(vp))
- truncate_inode_pages(ip->i_mapping, first);
+ if (mapping->nrpages)
+ truncate_inode_pages(mapping, first);
}
-void
-fs_flushinval_pages(
- bhv_desc_t *bdp,
+int
+xfs_flushinval_pages(
+ xfs_inode_t *ip,
xfs_off_t first,
xfs_off_t last,
int fiopt)
{
- vnode_t *vp = BHV_TO_VNODE(bdp);
- struct inode *ip = vn_to_inode(vp);
+ struct address_space *mapping = VFS_I(ip)->i_mapping;
+ int ret = 0;
- if (VN_CACHED(vp)) {
- if (VN_TRUNC(vp))
- VUNTRUNCATE(vp);
- filemap_write_and_wait(ip->i_mapping);
- truncate_inode_pages(ip->i_mapping, first);
+ if (mapping->nrpages) {
+ xfs_iflags_clear(ip, XFS_ITRUNCATED);
+ ret = filemap_write_and_wait(mapping);
+ if (!ret)
+ truncate_inode_pages(mapping, first);
}
+ return -ret;
}
int
-fs_flush_pages(
- bhv_desc_t *bdp,
+xfs_flush_pages(
+ xfs_inode_t *ip,
xfs_off_t first,
xfs_off_t last,
uint64_t flags,
int fiopt)
{
- vnode_t *vp = BHV_TO_VNODE(bdp);
- struct inode *ip = vn_to_inode(vp);
+ struct address_space *mapping = VFS_I(ip)->i_mapping;
+ int ret = 0;
+ int ret2;
- if (VN_DIRTY(vp)) {
- if (VN_TRUNC(vp))
- VUNTRUNCATE(vp);
- filemap_fdatawrite(ip->i_mapping);
- if (flags & XFS_B_ASYNC)
- return 0;
- filemap_fdatawait(ip->i_mapping);
+ if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
+ xfs_iflags_clear(ip, XFS_ITRUNCATED);
+ ret = -filemap_fdatawrite(mapping);
}
+ if (flags & XFS_B_ASYNC)
+ return ret;
+ ret2 = xfs_wait_on_pages(ip, first, last);
+ if (!ret)
+ ret = ret2;
+ return ret;
+}
+
+int
+xfs_wait_on_pages(
+ xfs_inode_t *ip,
+ xfs_off_t first,
+ xfs_off_t last)
+{
+ struct address_space *mapping = VFS_I(ip)->i_mapping;
+
+ if (mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK))
+ return -filemap_fdatawait(mapping);
return 0;
}