- changes about @flags in m_disconnect(). It should be cohenernt with m_connect(),

[fs/lustre-release.git] / lustre / llite / rw24.c

diff --git a/lustre/llite/rw24.c b/lustre/llite/rw24.c
index cda014e..df040c5 100644 (file)
--- a/lustre/llite/rw24.c
+++ b/lustre/llite/rw24.c
@@ -49,87 +49,6 @@
 #include "llite_internal.h"
 #include <linux/lustre_compat25.h>
 
-/* called for each page in a completed rpc.*/
-void ll_ap_completion_24(void *data, int cmd, int rc)
-{
-        struct ll_async_page *llap;
-        struct page *page;
-
-        llap = llap_from_cookie(data);
-        if (IS_ERR(llap)) {
-                EXIT;
-                return;
-        }
-
-        page = llap->llap_page;
-        LASSERT(PageLocked(page));
-
-        if (rc == 0)  {
-                if (cmd == OBD_BRW_READ) {
-                        if (!llap->llap_defer_uptodate)
-                                SetPageUptodate(page);
-                } else {
-                        llap->llap_write_queued = 0;
-                }
-        } else { 
-                SetPageError(page);
-        }
-
-        LL_CDEBUG_PAGE(page, "io complete, unlocking\n");
-
-        unlock_page(page);
-
-        if (0 && cmd == OBD_BRW_WRITE) {
-                llap_write_complete(page->mapping->host, llap);
-                ll_try_done_writing(page->mapping->host);
-        }
-
-        page_cache_release(page);
-}
-
-static int ll_writepage_24(struct page *page)
-{
-        struct inode *inode = page->mapping->host;
-        struct obd_export *exp;
-        struct ll_async_page *llap;
-        int rc = 0;
-        ENTRY;
-
-        LASSERT(!PageDirty(page));
-        LASSERT(PageLocked(page));
-
-        exp = ll_i2obdexp(inode);
-        if (exp == NULL)
-                GOTO(out, rc = -EINVAL);
-
-        llap = llap_from_page(page);
-        if (IS_ERR(llap))
-                GOTO(out, rc = PTR_ERR(llap));
-
-        page_cache_get(page);
-        if (llap->llap_write_queued) {
-                LL_CDEBUG_PAGE(page, "marking urgent\n");
-                rc = obd_set_async_flags(exp, ll_i2info(inode)->lli_smd, NULL,
-                                         llap->llap_cookie,
-                                         ASYNC_READY | ASYNC_URGENT);
-        } else {
-                llap->llap_write_queued = 1;
-                rc = obd_queue_async_io(exp, ll_i2info(inode)->lli_smd, NULL,
-                                        llap->llap_cookie, OBD_BRW_WRITE, 0, 0,
-                                        0, ASYNC_READY | ASYNC_URGENT);
-                if (rc == 0)
-                        LL_CDEBUG_PAGE(page, "mmap write queued\n");
-                else
-                        llap->llap_write_queued = 0;
-        }
-        if (rc)
-                page_cache_release(page);
-out:
-        if (rc)
-                unlock_page(page);
-        RETURN(rc);
-}
-
 static int ll_direct_IO_24(int rw,
 #ifdef HAVE_DIO_FILE
                            struct file *file,
@@ -154,11 +73,6 @@ static int ll_direct_IO_24(int rw,
         if (!lsm || !lsm->lsm_object_id)
                 RETURN(-EBADF);
 
-        /* FIXME: io smaller than PAGE_SIZE is broken on ia64 */
-        if ((iobuf->offset & (PAGE_SIZE - 1)) ||
-            (iobuf->length & (PAGE_SIZE - 1)))
-                RETURN(-EINVAL);
-
         set = ptlrpc_prep_set();
         if (set == NULL)
                 RETURN(-ENOMEM);
@@ -170,15 +84,17 @@ static int ll_direct_IO_24(int rw,
         }
 
         flags = 0 /* | OBD_BRW_DIRECTIO */;
-        offset = ((obd_off)blocknr << inode->i_blkbits);
+        offset = ((obd_off)blocknr * blocksize);
         length = iobuf->length;
+        pga[0].page_offset = iobuf->offset;
+        LASSERT(iobuf->offset < PAGE_SIZE);
 
         for (i = 0, length = iobuf->length; length > 0;
              length -= pga[i].count, offset += pga[i].count, i++) { /*i last!*/
                 pga[i].pg = iobuf->maplist[i];
-                pga[i].off = offset;
+                pga[i].disk_offset = offset;
                 /* To the end of the page, or the length, whatever is less */
-                pga[i].count = min_t(int, PAGE_SIZE - (offset & ~PAGE_MASK),
+                pga[i].count = min_t(int, PAGE_SIZE - pga[i].page_offset,
                                      length);
                 pga[i].flag = flags;
                 if (rw == READ)
@@ -205,6 +121,14 @@ static int ll_direct_IO_24(int rw,
                         CERROR("error from callback: rc = %d\n", rc);
         }
         ptlrpc_set_destroy(set);
+        if (rc == 0 && rw == WRITE) {
+                void lov_increase_kms(struct obd_export *,
+                                      struct lov_stripe_md *, obd_off size);
+                obd_off size = offset + length;
+                lov_increase_kms(ll_i2obdexp(inode), lsm, size);
+                if (size > inode->i_size)
+                        inode->i_size = size;
+        }
         if (rc == 0) {
                 rc = iobuf->length;
                 obdo_to_inode(inode, &oa, OBD_MD_FLBLOCKS);
@@ -215,12 +139,12 @@ static int ll_direct_IO_24(int rw,
 }
 
 struct address_space_operations ll_aops = {
-        readpage: ll_readpage,
-        direct_IO: ll_direct_IO_24,
-        writepage: ll_writepage_24,
-        prepare_write: ll_prepare_write,
-        commit_write: ll_commit_write,
-        removepage: ll_removepage,
-        sync_page: ll_sync_page,
-        bmap: NULL
+        .readpage       = ll_readpage,
+        .direct_IO      = ll_direct_IO_24,
+        .writepage      = ll_writepage,
+        .prepare_write  = ll_prepare_write,
+        .commit_write   = ll_commit_write,
+        .removepage     = ll_removepage,
+        .sync_page      = NULL,
+        .bmap           = NULL
 };