diff options
Diffstat (limited to 'fs/ufs/super.c')
-rw-r--r-- | fs/ufs/super.c | 49 |
1 files changed, 17 insertions, 32 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c index bc625788589c..762699c1bcf6 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -505,7 +505,6 @@ static int ufs_read_cylinder_structures(struct super_block *sb) { struct ufs_sb_info *sbi = UFS_SB(sb); struct ufs_sb_private_info *uspi = sbi->s_uspi; - struct ufs_buffer_head * ubh; unsigned char * base, * space; unsigned size, blks, i; @@ -521,21 +520,13 @@ static int ufs_read_cylinder_structures(struct super_block *sb) if (!base) goto failed; sbi->s_csp = (struct ufs_csum *)space; - for (i = 0; i < blks; i += uspi->s_fpb) { - size = uspi->s_bsize; - if (i + uspi->s_fpb > blks) - size = (blks - i) * uspi->s_fsize; - - ubh = ubh_bread(sb, uspi->s_csaddr + i, size); - - if (!ubh) + for (i = 0; i < blks; i++) { + struct buffer_head *bh = sb_bread(sb, uspi->s_csaddr + i); + if (!bh) goto failed; - - ubh_ubhcpymem (space, ubh, size); - - space += size; - ubh_brelse (ubh); - ubh = NULL; + memcpy(space, bh->b_data, uspi->s_fsize); + space += uspi->s_fsize; + brelse (bh); } /* @@ -645,7 +636,6 @@ static void ufs_put_super_internal(struct super_block *sb) { struct ufs_sb_info *sbi = UFS_SB(sb); struct ufs_sb_private_info *uspi = sbi->s_uspi; - struct ufs_buffer_head * ubh; unsigned char * base, * space; unsigned blks, size, i; @@ -656,18 +646,17 @@ static void ufs_put_super_internal(struct super_block *sb) size = uspi->s_cssize; blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift; base = space = (char*) sbi->s_csp; - for (i = 0; i < blks; i += uspi->s_fpb) { - size = uspi->s_bsize; - if (i + uspi->s_fpb > blks) - size = (blks - i) * uspi->s_fsize; - - ubh = ubh_bread(sb, uspi->s_csaddr + i, size); - - ubh_memcpyubh (ubh, space, size); - space += size; - ubh_mark_buffer_uptodate (ubh, 1); - ubh_mark_buffer_dirty (ubh); - ubh_brelse (ubh); + for (i = 0; i < blks; i++, space += uspi->s_fsize) { + struct buffer_head *bh = sb_bread(sb, uspi->s_csaddr + i); + + if (unlikely(!bh)) { // better than an oops... + ufs_panic(sb, __func__, + "can't write part of cylinder group summary"); + continue; + } + memcpy(bh->b_data, space, uspi->s_fsize); + mark_buffer_dirty(bh); + brelse(bh); } for (i = 0; i < sbi->s_cg_loaded; i++) { ufs_put_cylinder (sb, i); @@ -1240,11 +1229,7 @@ magic_found: else uspi->s_apbshift = uspi->s_bshift - 2; - uspi->s_2apbshift = uspi->s_apbshift * 2; - uspi->s_3apbshift = uspi->s_apbshift * 3; uspi->s_apb = 1 << uspi->s_apbshift; - uspi->s_2apb = 1 << uspi->s_2apbshift; - uspi->s_3apb = 1 << uspi->s_3apbshift; uspi->s_apbmask = uspi->s_apb - 1; uspi->s_nspfshift = uspi->s_fshift - UFS_SECTOR_BITS; uspi->s_nspb = uspi->s_nspf << uspi->s_fpbshift; |