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); + 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); - 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); + 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) {