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-rw-r--r--fs/gfs2/ops_fstype.c41
-rw-r--r--fs/gfs2/super.c4
-rw-r--r--fs/gfs2/super.h1
3 files changed, 16 insertions, 30 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index a9aa2edd756..178b3391184 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -116,7 +116,7 @@ static void init_vfs(struct super_block *sb, unsigned noatime)
static int init_names(struct gfs2_sbd *sdp, int silent)
{
- struct gfs2_sb *sb = NULL;
+ struct page *page;
char *proto, *table;
int error = 0;
@@ -126,37 +126,23 @@ static int init_names(struct gfs2_sbd *sdp, int silent)
/* Try to autodetect */
if (!proto[0] || !table[0]) {
- struct buffer_head *bh;
- bh = sb_getblk(sdp->sd_vfs,
- GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift);
- lock_buffer(bh);
- clear_buffer_uptodate(bh);
- clear_buffer_dirty(bh);
- unlock_buffer(bh);
- ll_rw_block(READ, 1, &bh);
- wait_on_buffer(bh);
-
- if (!buffer_uptodate(bh)) {
- brelse(bh);
- return -EIO;
- }
-
- sb = kmalloc(sizeof(struct gfs2_sb), GFP_KERNEL);
- if (!sb) {
- brelse(bh);
- return -ENOMEM;
- }
- gfs2_sb_in(sb, bh->b_data);
- brelse(bh);
-
- error = gfs2_check_sb(sdp, sb, silent);
+ struct gfs2_sb *sb;
+ page = gfs2_read_super(sdp->sd_vfs, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift);
+ if (!page)
+ return -ENOBUFS;
+ sb = kmap(page);
+ gfs2_sb_in(&sdp->sd_sb, sb);
+ kunmap(page);
+ __free_page(page);
+
+ error = gfs2_check_sb(sdp, &sdp->sd_sb, silent);
if (error)
goto out;
if (!proto[0])
- proto = sb->sb_lockproto;
+ proto = sdp->sd_sb.sb_lockproto;
if (!table[0])
- table = sb->sb_locktable;
+ table = sdp->sd_sb.sb_locktable;
}
if (!table[0])
@@ -166,7 +152,6 @@ static int init_names(struct gfs2_sbd *sdp, int silent)
snprintf(sdp->sd_table_name, GFS2_FSNAME_LEN, "%s", table);
out:
- kfree(sb);
return error;
}
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index f6ce5e4eaf7..6a78b1b32e2 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -180,7 +180,7 @@ static int end_bio_io_page(struct bio *bio, unsigned int bytes_done, int error)
return 0;
}
-static struct page *gfs2_read_super(struct super_block *sb, sector_t sector)
+struct page *gfs2_read_super(struct super_block *sb, sector_t sector)
{
struct page *page;
struct bio *bio;
@@ -205,7 +205,7 @@ static struct page *gfs2_read_super(struct super_block *sb, sector_t sector)
bio->bi_end_io = end_bio_io_page;
bio->bi_private = page;
- submit_bio(READ_SYNC, bio);
+ submit_bio(READ_SYNC | (1 << BIO_RW_META), bio);
wait_on_page_locked(page);
bio_put(bio);
if (!PageUptodate(page)) {
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 5fa5119cfba..5bb443ae0f5 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -16,6 +16,7 @@ void gfs2_tune_init(struct gfs2_tune *gt);
int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb *sb, int silent);
int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent);
+struct page *gfs2_read_super(struct super_block *sb, sector_t sector);
static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
{