X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Focfs2%2Ffile.c;h=b75b2e1f0e42609e78768c1ab9d72c160639a139;hb=1265edb8fd2869d17128f1d60683dd6f4191d550;hp=f92fe91ff260bb8439a44f35240c0b36d803ca87;hpb=fe537c0ee86b27fbe0690a7869815da80f492dbd;p=linux-2.6

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index f92fe91ff2..b75b2e1f0e 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -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