commit 001e8e8df4283dd4ef7a0297c012fce364c05cf1
author Steven Whitehouse <swhiteho@redhat.com> Wed Mar 30 14:17:51 2011 +0100
committer Steven Whitehouse <swhiteho@redhat.com> Mon Apr 18 15:23:12 2011 +0100
tree 28942d4cadc3da175a352c9804dad502d2bc4336
parent 0ee532062fa7ff0795b3862c2d50efe32e552f9f

GFS2: Don't try to deallocate unlinked inodes when mounted ro

This adds a couple of missing tests to avoid read-only nodes
from attempting to deallocate unlinked inodes.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Reported-by: Michel Andre de la Porte <madelaporte@ubi.com>

fs/gfs2/glops.c

diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 3754e3c..25eeb2b 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -385,6 +385,10 @@
 static void iopen_go_callback(struct gfs2_glock *gl)
 {
 	struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;
+	struct gfs2_sbd *sdp = gl->gl_sbd;
+
+	if (sdp->sd_vfs->s_flags & MS_RDONLY)
+		return;
 
 	if (gl->gl_demote_state == LM_ST_UNLOCKED &&
 	    gl->gl_state == LM_ST_SHARED && ip) {

fs/gfs2/super.c

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index a4e23d6..5b2cb81 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1318,12 +1318,13 @@
 
 static void gfs2_evict_inode(struct inode *inode)
 {
-	struct gfs2_sbd *sdp = inode->i_sb->s_fs_info;
+	struct super_block *sb = inode->i_sb;
+	struct gfs2_sbd *sdp = sb->s_fs_info;
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_holder gh;
 	int error;
 
-	if (inode->i_nlink)
+	if (inode->i_nlink || (sb->s_flags & MS_RDONLY))
 		goto out;
 
 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);