Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *  linux/fs/ufs/cylinder.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 1998
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Daniel Pirkl <daniel.pirkl@email.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Charles University, Faculty of Mathematics and Physics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *  ext2 - inode (block) bitmap caching inspired
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <asm/byteorder.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include "ufs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "ufs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "swab.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include "util.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  * Read cylinder group into cache. The memory space for ufs_cg_private_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * structure is already allocated during ufs_read_super.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) static void ufs_read_cylinder (struct super_block * sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	unsigned cgno, unsigned bitmap_nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	struct ufs_sb_info * sbi = UFS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	struct ufs_sb_private_info * uspi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	struct ufs_cg_private_info * ucpi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct ufs_cylinder_group * ucg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	unsigned i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	UFSD("ENTER, cgno %u, bitmap_nr %u\n", cgno, bitmap_nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	uspi = sbi->s_uspi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	ucpi = sbi->s_ucpi[bitmap_nr];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	ucg = (struct ufs_cylinder_group *)sbi->s_ucg[cgno]->b_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	UCPI_UBH(ucpi)->fragment = ufs_cgcmin(cgno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	UCPI_UBH(ucpi)->count = uspi->s_cgsize >> sb->s_blocksize_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	 * We have already the first fragment of cylinder group block in buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	UCPI_UBH(ucpi)->bh[0] = sbi->s_ucg[cgno];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	for (i = 1; i < UCPI_UBH(ucpi)->count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		if (!(UCPI_UBH(ucpi)->bh[i] = sb_bread(sb, UCPI_UBH(ucpi)->fragment + i)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 			goto failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	sbi->s_cgno[bitmap_nr] = cgno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 			
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	ucpi->c_cgx	= fs32_to_cpu(sb, ucg->cg_cgx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	ucpi->c_ncyl	= fs16_to_cpu(sb, ucg->cg_ncyl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	ucpi->c_niblk	= fs16_to_cpu(sb, ucg->cg_niblk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	ucpi->c_ndblk	= fs32_to_cpu(sb, ucg->cg_ndblk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	ucpi->c_rotor	= fs32_to_cpu(sb, ucg->cg_rotor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	ucpi->c_frotor	= fs32_to_cpu(sb, ucg->cg_frotor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	ucpi->c_irotor	= fs32_to_cpu(sb, ucg->cg_irotor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	ucpi->c_btotoff	= fs32_to_cpu(sb, ucg->cg_btotoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	ucpi->c_boff	= fs32_to_cpu(sb, ucg->cg_boff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	ucpi->c_iusedoff = fs32_to_cpu(sb, ucg->cg_iusedoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	ucpi->c_freeoff	= fs32_to_cpu(sb, ucg->cg_freeoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	ucpi->c_nextfreeoff = fs32_to_cpu(sb, ucg->cg_nextfreeoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	ucpi->c_clustersumoff = fs32_to_cpu(sb, ucg->cg_u.cg_44.cg_clustersumoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	ucpi->c_clusteroff = fs32_to_cpu(sb, ucg->cg_u.cg_44.cg_clusteroff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	ucpi->c_nclusterblks = fs32_to_cpu(sb, ucg->cg_u.cg_44.cg_nclusterblks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	return;	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	for (j = 1; j < i; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		brelse (sbi->s_ucg[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	ufs_error (sb, "ufs_read_cylinder", "can't read cylinder group block %u", cgno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80)  * Remove cylinder group from cache, doesn't release memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)  * allocated for cylinder group (this is done at ufs_put_super only).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	struct ufs_sb_info * sbi = UFS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	struct ufs_sb_private_info * uspi; 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	struct ufs_cg_private_info * ucpi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	struct ufs_cylinder_group * ucg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	unsigned i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	UFSD("ENTER, bitmap_nr %u\n", bitmap_nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	uspi = sbi->s_uspi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (sbi->s_cgno[bitmap_nr] == UFS_CGNO_EMPTY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	ucpi = sbi->s_ucpi[bitmap_nr];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	ucg = ubh_get_ucg(UCPI_UBH(ucpi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	if (uspi->s_ncg > UFS_MAX_GROUP_LOADED && bitmap_nr >= sbi->s_cg_loaded) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		ufs_panic (sb, "ufs_put_cylinder", "internal error");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	 * rotor is not so important data, so we put it to disk 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	 * at the end of working with cylinder
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	ucg->cg_rotor = cpu_to_fs32(sb, ucpi->c_rotor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	ucg->cg_frotor = cpu_to_fs32(sb, ucpi->c_frotor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	ucg->cg_irotor = cpu_to_fs32(sb, ucpi->c_irotor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	for (i = 1; i < UCPI_UBH(ucpi)->count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		brelse (UCPI_UBH(ucpi)->bh[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)  * Find cylinder group in cache and return it as pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)  * If cylinder group is not in cache, we will load it from disk.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)  * The cache is managed by LRU algorithm. 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct ufs_cg_private_info * ufs_load_cylinder (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	struct super_block * sb, unsigned cgno)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	struct ufs_sb_info * sbi = UFS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	struct ufs_sb_private_info * uspi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct ufs_cg_private_info * ucpi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	unsigned cg, i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	UFSD("ENTER, cgno %u\n", cgno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	uspi = sbi->s_uspi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	if (cgno >= uspi->s_ncg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		ufs_panic (sb, "ufs_load_cylinder", "internal error, high number of cg");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	 * Cylinder group number cg it in cache and it was last used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	if (sbi->s_cgno[0] == cgno) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		return sbi->s_ucpi[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	 * Number of cylinder groups is not higher than UFS_MAX_GROUP_LOADED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	if (uspi->s_ncg <= UFS_MAX_GROUP_LOADED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		if (sbi->s_cgno[cgno] != UFS_CGNO_EMPTY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			if (sbi->s_cgno[cgno] != cgno) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 				ufs_panic (sb, "ufs_load_cylinder", "internal error, wrong number of cg in cache");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 				UFSD("EXIT (FAILED)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 				return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 			else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 				UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 				return sbi->s_ucpi[cgno];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 			ufs_read_cylinder (sb, cgno, cgno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 			UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			return sbi->s_ucpi[cgno];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	 * Cylinder group number cg is in cache but it was not last used, 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	 * we will move to the first position
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	for (i = 0; i < sbi->s_cg_loaded && sbi->s_cgno[i] != cgno; i++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (i < sbi->s_cg_loaded && sbi->s_cgno[i] == cgno) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		cg = sbi->s_cgno[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		ucpi = sbi->s_ucpi[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		for (j = i; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 			sbi->s_cgno[j] = sbi->s_cgno[j-1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			sbi->s_ucpi[j] = sbi->s_ucpi[j-1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		sbi->s_cgno[0] = cg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		sbi->s_ucpi[0] = ucpi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	 * Cylinder group number cg is not in cache, we will read it from disk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	 * and put it to the first position
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		if (sbi->s_cg_loaded < UFS_MAX_GROUP_LOADED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			sbi->s_cg_loaded++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 			ufs_put_cylinder (sb, UFS_MAX_GROUP_LOADED-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		ucpi = sbi->s_ucpi[sbi->s_cg_loaded - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		for (j = sbi->s_cg_loaded - 1; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 			sbi->s_cgno[j] = sbi->s_cgno[j-1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			sbi->s_ucpi[j] = sbi->s_ucpi[j-1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		sbi->s_ucpi[0] = ucpi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		ufs_read_cylinder (sb, cgno, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	UFSD("EXIT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	return sbi->s_ucpi[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }