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| author | Steven Whitehouse <swhiteho@redhat.com> | 2014-03-31 17:48:27 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2014-03-31 17:48:27 +0100 |
| commit | 1b2ad41214c9bf6e8befa000f0522629194bf540 (patch) | |
| tree | ca9bfdbbabf9aa50e81565c643a8849789a69949 | |
| parent | 059788039f1e6343f34f46d202f8d9f2158c2783 (diff) | |
| download | linux-stable-1b2ad41214c9bf6e8befa000f0522629194bf540.tar.gz linux-stable-1b2ad41214c9bf6e8befa000f0522629194bf540.tar.bz2 linux-stable-1b2ad41214c9bf6e8befa000f0522629194bf540.zip | |
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>
| -rw-r--r-- | fs/gfs2/meta_io.c | 5 | ||||
| -rw-r--r-- | fs/gfs2/meta_io.h | 3 | ||||
| -rw-r--r-- | fs/gfs2/ops_fstype.c | 2 |
3 files changed, 9 insertions, 1 deletions
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 005e4686af0d..2cf09b63a6b4 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -97,6 +97,11 @@ const struct address_space_operations gfs2_meta_aops = { .releasepage = gfs2_releasepage, }; +const struct address_space_operations gfs2_rgrp_aops = { + .writepage = gfs2_aspace_writepage, + .releasepage = gfs2_releasepage, +}; + /** * gfs2_getbuf - Get a buffer with a given address space * @gl: the glock 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; } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index fba74a26a6a3..22f954051bb8 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -106,7 +106,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) mapping = &sdp->sd_aspace; address_space_init_once(mapping); - mapping->a_ops = &gfs2_meta_aops; + mapping->a_ops = &gfs2_rgrp_aops; mapping->host = sb->s_bdev->bd_inode; mapping->flags = 0; mapping_set_gfp_mask(mapping, GFP_NOFS); |