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authorSteven Whitehouse <swhiteho@redhat.com>2014-03-31 17:48:27 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2014-03-31 17:48:27 +0100
commit1b2ad41214c9bf6e8befa000f0522629194bf540 (patch)
treeca9bfdbbabf9aa50e81565c643a8849789a69949 /fs/gfs2/meta_io.h
parent059788039f1e6343f34f46d202f8d9f2158c2783 (diff)
downloadlinux-1b2ad41214c9bf6e8befa000f0522629194bf540.tar.bz2
GFS2: Fix address space from page function
Now that rgrps use the address space which is part of the super block, we need to update gfs2_mapping2sbd() to take account of that. The only way to do that easily is to use a different set of address_space_operations for rgrps. Reported-by: Abhi Das <adas@redhat.com> Tested-by: Abhi Das <adas@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/meta_io.h')
-rw-r--r--fs/gfs2/meta_io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index 4823b934208a..ac5d8027d335 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -38,12 +38,15 @@ static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
}
extern const struct address_space_operations gfs2_meta_aops;
+extern const struct address_space_operations gfs2_rgrp_aops;
static inline struct gfs2_sbd *gfs2_mapping2sbd(struct address_space *mapping)
{
struct inode *inode = mapping->host;
if (mapping->a_ops == &gfs2_meta_aops)
return (((struct gfs2_glock *)mapping) - 1)->gl_sbd;
+ else if (mapping->a_ops == &gfs2_rgrp_aops)
+ return container_of(mapping, struct gfs2_sbd, sd_aspace);
else
return inode->i_sb->s_fs_info;
}