---

yaml
---
r: 43276
b: refs/heads/master
c: 2ca9950
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c594d8866460a2710c436839d79f334a0714a2a7
+refs/heads/master: 2ca99501fa5422e84f18333918a503433449e2b5

trunk/fs/gfs2/glock.h

@@ -27,7 +27,6 @@
 #define GL_ATIME		0x00000200
 #define GL_NOCACHE		0x00000400
 #define GL_NOCANCEL		0x00001000
-#define GL_AOP			0x00004000
 
 #define GLR_TRYFAILED		13
 #define GLR_CANCELED		14

trunk/fs/gfs2/ops_address.c

@@ -230,7 +230,7 @@ static int gfs2_readpage(struct file *file, struct page *page)
 				/* gfs2_sharewrite_nopage has grabbed the ip->i_gl already */
 				goto skip_lock;
 		}
-		gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME|GL_AOP, &gh);
+		gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME|LM_FLAG_TRY_1CB, &gh);
 		do_unlock = 1;
 		error = gfs2_glock_nq_m_atime(1, &gh);
 		if (unlikely(error))
@@ -254,6 +254,8 @@ static int gfs2_readpage(struct file *file, struct page *page)
 out:
 	return error;
 out_unlock:
+	if (error == GLR_TRYFAILED)
+		error = AOP_TRUNCATED_PAGE;
 	unlock_page(page);
 	if (do_unlock)
 		gfs2_holder_uninit(&gh);
@@ -293,7 +295,7 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping,
 				goto skip_lock;
 		}
 		gfs2_holder_init(ip->i_gl, LM_ST_SHARED,
-				 LM_FLAG_TRY_1CB|GL_ATIME|GL_AOP, &gh);
+				 LM_FLAG_TRY_1CB|GL_ATIME, &gh);
 		do_unlock = 1;
 		ret = gfs2_glock_nq_m_atime(1, &gh);
 		if (ret == GLR_TRYFAILED)
@@ -366,10 +368,13 @@ static int gfs2_prepare_write(struct file *file, struct page *page,
 	unsigned int write_len = to - from;
 
 
-	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|GL_AOP, &ip->i_gh);
+	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|LM_FLAG_TRY_1CB, &ip->i_gh);
 	error = gfs2_glock_nq_m_atime(1, &ip->i_gh);
-	if (error)
+	if (unlikely(error)) {
+		if (error == GLR_TRYFAILED)
+			error = AOP_TRUNCATED_PAGE;
 		goto out_uninit;
+	}
 
 	gfs2_write_calc_reserv(ip, write_len, &data_blocks, &ind_blocks);