]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/ocfs2/file.c
ARM: OMAP: Remove unnecessary cast in gpio.c
[linux-2.6-omap-h63xx.git] / fs / ocfs2 / file.c
index f92fe91ff260bb8439a44f35240c0b36d803ca87..b75b2e1f0e42609e78768c1ab9d72c160639a139 100644 (file)
@@ -399,7 +399,7 @@ static int ocfs2_truncate_file(struct inode *inode,
 
        if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
                status = ocfs2_truncate_inline(inode, di_bh, new_i_size,
-                                              i_size_read(inode), 0);
+                                              i_size_read(inode), 1);
                if (status)
                        mlog_errno(status);
 
@@ -1521,6 +1521,7 @@ static int ocfs2_remove_inode_range(struct inode *inode,
        u32 trunc_start, trunc_len, cpos, phys_cpos, alloc_size;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        struct ocfs2_cached_dealloc_ctxt dealloc;
+       struct address_space *mapping = inode->i_mapping;
 
        ocfs2_init_dealloc_ctxt(&dealloc);
 
@@ -1529,10 +1530,20 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 
        if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
                ret = ocfs2_truncate_inline(inode, di_bh, byte_start,
-                                           byte_start + byte_len, 1);
-               if (ret)
+                                           byte_start + byte_len, 0);
+               if (ret) {
                        mlog_errno(ret);
-               return ret;
+                       goto out;
+               }
+               /*
+                * There's no need to get fancy with the page cache
+                * truncate of an inline-data inode. We're talking
+                * about less than a page here, which will be cached
+                * in the dinode buffer anyway.
+                */
+               unmap_mapping_range(mapping, 0, 0, 0);
+               truncate_inode_pages(mapping, 0);
+               goto out;
        }
 
        trunc_start = ocfs2_clusters_for_bytes(osb->sb, byte_start);
@@ -1891,9 +1902,11 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
        ssize_t written = 0;
        size_t ocount;          /* original count */
        size_t count;           /* after file limit checks */
-       loff_t *ppos = &iocb->ki_pos;
+       loff_t old_size, *ppos = &iocb->ki_pos;
+       u32 old_clusters;
        struct file *file = iocb->ki_filp;
        struct inode *inode = file->f_path.dentry->d_inode;
+       struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
        mlog_entry("(0x%p, %u, '%.*s')\n", file,
                   (unsigned int)nr_segs,
@@ -1949,6 +1962,13 @@ relock:
                goto relock;
        }
 
+       /*
+        * To later detect whether a journal commit for sync writes is
+        * necessary, we sample i_size, and cluster count here.
+        */
+       old_size = i_size_read(inode);
+       old_clusters = OCFS2_I(inode)->ip_clusters;
+
        /* communicate with ocfs2_dio_end_io */
        ocfs2_iocb_set_rw_locked(iocb, rw_level);
 
@@ -1978,6 +1998,21 @@ out_dio:
        /* buffered aio wouldn't have proper lock coverage today */
        BUG_ON(ret == -EIOCBQUEUED && !(file->f_flags & O_DIRECT));
 
+       if ((file->f_flags & O_SYNC && !direct_io) || IS_SYNC(inode)) {
+               /*
+                * The generic write paths have handled getting data
+                * to disk, but since we don't make use of the dirty
+                * inode list, a manual journal commit is necessary
+                * here.
+                */
+               if (old_size != i_size_read(inode) ||
+                   old_clusters != OCFS2_I(inode)->ip_clusters) {
+                       ret = journal_force_commit(osb->journal->j_journal);
+                       if (ret < 0)
+                               written = ret;
+               }
+       }
+
        /* 
         * deep in g_f_a_w_n()->ocfs2_direct_IO we pass in a ocfs2_dio_end_io
         * function pointer which is called when o_direct io completes so that