diff options
Diffstat (limited to 'fs/gfs2/ops_fstype.c')
-rw-r--r-- | fs/gfs2/ops_fstype.c | 41 |
1 files changed, 13 insertions, 28 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index a9aa2ed..178b339 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; } |