From ce193f809b32368796a3aacf2ac8ba277f4c102a Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sun, 19 Jul 2015 23:12:51 +0200 Subject: Remove old_e2fsprogs/* Signed-off-by: Denys Vlasenko --- e2fsprogs/old_e2fsprogs/ext2fs/inode.c | 766 --------------------------------- 1 file changed, 766 deletions(-) delete mode 100644 e2fsprogs/old_e2fsprogs/ext2fs/inode.c (limited to 'e2fsprogs/old_e2fsprogs/ext2fs/inode.c') diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/inode.c b/e2fsprogs/old_e2fsprogs/ext2fs/inode.c deleted file mode 100644 index 7a1d5c94b..000000000 --- a/e2fsprogs/old_e2fsprogs/ext2fs/inode.c +++ /dev/null @@ -1,766 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inode.c --- utility routines to read and write inodes - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include -#include -#if HAVE_UNISTD_H -#include -#endif -#if HAVE_ERRNO_H -#include -#endif -#if HAVE_SYS_STAT_H -#include -#endif -#if HAVE_SYS_TYPES_H -#include -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" -#include "e2image.h" - -struct ext2_struct_inode_scan { - errcode_t magic; - ext2_filsys fs; - ext2_ino_t current_inode; - blk_t current_block; - dgrp_t current_group; - ext2_ino_t inodes_left; - blk_t blocks_left; - dgrp_t groups_left; - blk_t inode_buffer_blocks; - char * inode_buffer; - int inode_size; - char * ptr; - int bytes_left; - char *temp_buffer; - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data); - void * done_group_data; - int bad_block_ptr; - int scan_flags; - int reserved[6]; -}; - -/* - * This routine flushes the icache, if it exists. - */ -errcode_t ext2fs_flush_icache(ext2_filsys fs) -{ - int i; - - if (!fs->icache) - return 0; - - for (i=0; i < fs->icache->cache_size; i++) - fs->icache->cache[i].ino = 0; - - fs->icache->buffer_blk = 0; - return 0; -} - -static errcode_t create_icache(ext2_filsys fs) -{ - errcode_t retval; - - if (fs->icache) - return 0; - retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache), &fs->icache); - if (retval) - return retval; - - memset(fs->icache, 0, sizeof(struct ext2_inode_cache)); - retval = ext2fs_get_mem(fs->blocksize, &fs->icache->buffer); - if (retval) { - ext2fs_free_mem(&fs->icache); - return retval; - } - fs->icache->buffer_blk = 0; - fs->icache->cache_last = -1; - fs->icache->cache_size = 4; - fs->icache->refcount = 1; - retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache_ent) - * fs->icache->cache_size, - &fs->icache->cache); - if (retval) { - ext2fs_free_mem(&fs->icache->buffer); - ext2fs_free_mem(&fs->icache); - return retval; - } - ext2fs_flush_icache(fs); - return 0; -} - -errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, - ext2_inode_scan *ret_scan) -{ - ext2_inode_scan scan; - errcode_t retval; - errcode_t (*save_get_blocks)(ext2_filsys f, ext2_ino_t ino, blk_t *blocks); - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * If fs->badblocks isn't set, then set it --- since the inode - * scanning functions require it. - */ - if (fs->badblocks == 0) { - /* - * Temporarly save fs->get_blocks and set it to zero, - * for compatibility with old e2fsck's. - */ - save_get_blocks = fs->get_blocks; - fs->get_blocks = 0; - retval = ext2fs_read_bb_inode(fs, &fs->badblocks); - if (retval) { - ext2fs_badblocks_list_free(fs->badblocks); - fs->badblocks = 0; - } - fs->get_blocks = save_get_blocks; - } - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_inode_scan), &scan); - if (retval) - return retval; - memset(scan, 0, sizeof(struct ext2_struct_inode_scan)); - - scan->magic = EXT2_ET_MAGIC_INODE_SCAN; - scan->fs = fs; - scan->inode_size = EXT2_INODE_SIZE(fs->super); - scan->bytes_left = 0; - scan->current_group = 0; - scan->groups_left = fs->group_desc_count - 1; - scan->inode_buffer_blocks = buffer_blocks ? buffer_blocks : 8; - scan->current_block = scan->fs-> - group_desc[scan->current_group].bg_inode_table; - scan->inodes_left = EXT2_INODES_PER_GROUP(scan->fs->super); - scan->blocks_left = scan->fs->inode_blocks_per_group; - retval = ext2fs_get_mem((size_t) (scan->inode_buffer_blocks * - fs->blocksize), - &scan->inode_buffer); - scan->done_group = 0; - scan->done_group_data = 0; - scan->bad_block_ptr = 0; - if (retval) { - ext2fs_free_mem(&scan); - return retval; - } - retval = ext2fs_get_mem(scan->inode_size, &scan->temp_buffer); - if (retval) { - ext2fs_free_mem(&scan->inode_buffer); - ext2fs_free_mem(&scan); - return retval; - } - if (scan->fs->badblocks && scan->fs->badblocks->num) - scan->scan_flags |= EXT2_SF_CHK_BADBLOCKS; - *ret_scan = scan; - return 0; -} - -void ext2fs_close_inode_scan(ext2_inode_scan scan) -{ - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return; - - ext2fs_free_mem(&scan->inode_buffer); - scan->inode_buffer = NULL; - ext2fs_free_mem(&scan->temp_buffer); - scan->temp_buffer = NULL; - ext2fs_free_mem(&scan); -} - -void ext2fs_set_inode_callback(ext2_inode_scan scan, - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data), - void *done_group_data) -{ - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return; - - scan->done_group = done_group; - scan->done_group_data = done_group_data; -} - -int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, - int clear_flags) -{ - int old_flags; - - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return 0; - - old_flags = scan->scan_flags; - scan->scan_flags &= ~clear_flags; - scan->scan_flags |= set_flags; - return old_flags; -} - -/* - * This function is called by ext2fs_get_next_inode when it needs to - * get ready to read in a new blockgroup. - */ -static errcode_t get_next_blockgroup(ext2_inode_scan scan) -{ - scan->current_group++; - scan->groups_left--; - - scan->current_block = scan->fs-> - group_desc[scan->current_group].bg_inode_table; - - scan->current_inode = scan->current_group * - EXT2_INODES_PER_GROUP(scan->fs->super); - - scan->bytes_left = 0; - scan->inodes_left = EXT2_INODES_PER_GROUP(scan->fs->super); - scan->blocks_left = scan->fs->inode_blocks_per_group; - return 0; -} - -errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, - int group) -{ - scan->current_group = group - 1; - scan->groups_left = scan->fs->group_desc_count - group; - return get_next_blockgroup(scan); -} - -/* - * This function is called by get_next_blocks() to check for bad - * blocks in the inode table. - * - * This function assumes that badblocks_list->list is sorted in - * increasing order. - */ -static errcode_t check_for_inode_bad_blocks(ext2_inode_scan scan, - blk_t *num_blocks) -{ - blk_t blk = scan->current_block; - badblocks_list bb = scan->fs->badblocks; - - /* - * If the inode table is missing, then obviously there are no - * bad blocks. :-) - */ - if (blk == 0) - return 0; - - /* - * If the current block is greater than the bad block listed - * in the bad block list, then advance the pointer until this - * is no longer the case. If we run out of bad blocks, then - * we don't need to do any more checking! - */ - while (blk > bb->list[scan->bad_block_ptr]) { - if (++scan->bad_block_ptr >= bb->num) { - scan->scan_flags &= ~EXT2_SF_CHK_BADBLOCKS; - return 0; - } - } - - /* - * If the current block is equal to the bad block listed in - * the bad block list, then handle that one block specially. - * (We could try to handle runs of bad blocks, but that - * only increases CPU efficiency by a small amount, at the - * expense of a huge expense of code complexity, and for an - * uncommon case at that.) - */ - if (blk == bb->list[scan->bad_block_ptr]) { - scan->scan_flags |= EXT2_SF_BAD_INODE_BLK; - *num_blocks = 1; - if (++scan->bad_block_ptr >= bb->num) - scan->scan_flags &= ~EXT2_SF_CHK_BADBLOCKS; - return 0; - } - - /* - * If there is a bad block in the range that we're about to - * read in, adjust the number of blocks to read so that we we - * don't read in the bad block. (Then the next block to read - * will be the bad block, which is handled in the above case.) - */ - if ((blk + *num_blocks) > bb->list[scan->bad_block_ptr]) - *num_blocks = (int) (bb->list[scan->bad_block_ptr] - blk); - - return 0; -} - -/* - * This function is called by ext2fs_get_next_inode when it needs to - * read in more blocks from the current blockgroup's inode table. - */ -static errcode_t get_next_blocks(ext2_inode_scan scan) -{ - blk_t num_blocks; - errcode_t retval; - - /* - * Figure out how many blocks to read; we read at most - * inode_buffer_blocks, and perhaps less if there aren't that - * many blocks left to read. - */ - num_blocks = scan->inode_buffer_blocks; - if (num_blocks > scan->blocks_left) - num_blocks = scan->blocks_left; - - /* - * If the past block "read" was a bad block, then mark the - * left-over extra bytes as also being bad. - */ - if (scan->scan_flags & EXT2_SF_BAD_INODE_BLK) { - if (scan->bytes_left) - scan->scan_flags |= EXT2_SF_BAD_EXTRA_BYTES; - scan->scan_flags &= ~EXT2_SF_BAD_INODE_BLK; - } - - /* - * Do inode bad block processing, if necessary. - */ - if (scan->scan_flags & EXT2_SF_CHK_BADBLOCKS) { - retval = check_for_inode_bad_blocks(scan, &num_blocks); - if (retval) - return retval; - } - - if ((scan->scan_flags & EXT2_SF_BAD_INODE_BLK) || - (scan->current_block == 0)) { - memset(scan->inode_buffer, 0, - (size_t) num_blocks * scan->fs->blocksize); - } else { - retval = io_channel_read_blk(scan->fs->io, - scan->current_block, - (int) num_blocks, - scan->inode_buffer); - if (retval) - return EXT2_ET_NEXT_INODE_READ; - } - scan->ptr = scan->inode_buffer; - scan->bytes_left = num_blocks * scan->fs->blocksize; - - scan->blocks_left -= num_blocks; - if (scan->current_block) - scan->current_block += num_blocks; - return 0; -} - -errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode, int bufsize) -{ - errcode_t retval; - int extra_bytes = 0; - - EXT2_CHECK_MAGIC(scan, EXT2_ET_MAGIC_INODE_SCAN); - - /* - * Do we need to start reading a new block group? - */ - if (scan->inodes_left <= 0) { - force_new_group: - if (scan->done_group) { - retval = (scan->done_group) - (scan->fs, scan->current_group, - scan->done_group_data); - if (retval) - return retval; - } - if (scan->groups_left <= 0) { - *ino = 0; - return 0; - } - retval = get_next_blockgroup(scan); - if (retval) - return retval; - } - /* - * This is done outside the above if statement so that the - * check can be done for block group #0. - */ - if (scan->current_block == 0) { - if (scan->scan_flags & EXT2_SF_SKIP_MISSING_ITABLE) { - goto force_new_group; - } else - return EXT2_ET_MISSING_INODE_TABLE; - } - - - /* - * Have we run out of space in the inode buffer? If so, we - * need to read in more blocks. - */ - if (scan->bytes_left < scan->inode_size) { - memcpy(scan->temp_buffer, scan->ptr, scan->bytes_left); - extra_bytes = scan->bytes_left; - - retval = get_next_blocks(scan); - if (retval) - return retval; -#if 0 - /* - * XXX test Need check for used inode somehow. - * (Note: this is hard.) - */ - if (is_empty_scan(scan)) - goto force_new_group; -#endif - } - - retval = 0; - if (extra_bytes) { - memcpy(scan->temp_buffer+extra_bytes, scan->ptr, - scan->inode_size - extra_bytes); - scan->ptr += scan->inode_size - extra_bytes; - scan->bytes_left -= scan->inode_size - extra_bytes; - -#if BB_BIG_ENDIAN - if ((scan->fs->flags & EXT2_FLAG_SWAP_BYTES) || - (scan->fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(scan->fs, - (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) scan->temp_buffer, - 0, bufsize); - else -#endif - *inode = *((struct ext2_inode *) scan->temp_buffer); - if (scan->scan_flags & EXT2_SF_BAD_EXTRA_BYTES) - retval = EXT2_ET_BAD_BLOCK_IN_INODE_TABLE; - scan->scan_flags &= ~EXT2_SF_BAD_EXTRA_BYTES; - } else { -#if BB_BIG_ENDIAN - if ((scan->fs->flags & EXT2_FLAG_SWAP_BYTES) || - (scan->fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(scan->fs, - (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) scan->ptr, - 0, bufsize); - else -#endif - memcpy(inode, scan->ptr, bufsize); - scan->ptr += scan->inode_size; - scan->bytes_left -= scan->inode_size; - if (scan->scan_flags & EXT2_SF_BAD_INODE_BLK) - retval = EXT2_ET_BAD_BLOCK_IN_INODE_TABLE; - } - - scan->inodes_left--; - scan->current_inode++; - *ino = scan->current_inode; - return retval; -} - -errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode) -{ - return ext2fs_get_next_inode_full(scan, ino, inode, - sizeof(struct ext2_inode)); -} - -/* - * Functions to read and write a single inode. - */ -errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, int bufsize) -{ - unsigned long group, block, block_nr, offset; - char *ptr; - errcode_t retval; - int clen, i, inodes_per_block, length; - io_channel io; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* Check to see if user has an override function */ - if (fs->read_inode) { - retval = (fs->read_inode)(fs, ino, inode); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - /* Create inode cache if not present */ - if (!fs->icache) { - retval = create_icache(fs); - if (retval) - return retval; - } - /* Check to see if it's in the inode cache */ - if (bufsize == sizeof(struct ext2_inode)) { - /* only old good inode can be retrieve from the cache */ - for (i=0; i < fs->icache->cache_size; i++) { - if (fs->icache->cache[i].ino == ino) { - *inode = fs->icache->cache[i].inode; - return 0; - } - } - } - if ((ino == 0) || (ino > fs->super->s_inodes_count)) - return EXT2_ET_BAD_INODE_NUM; - if (fs->flags & EXT2_FLAG_IMAGE_FILE) { - inodes_per_block = fs->blocksize / EXT2_INODE_SIZE(fs->super); - block_nr = fs->image_header->offset_inode / fs->blocksize; - block_nr += (ino - 1) / inodes_per_block; - offset = ((ino - 1) % inodes_per_block) * - EXT2_INODE_SIZE(fs->super); - io = fs->image_io; - } else { - group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super); - offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) * - EXT2_INODE_SIZE(fs->super); - block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (!fs->group_desc[(unsigned)group].bg_inode_table) - return EXT2_ET_MISSING_INODE_TABLE; - block_nr = fs->group_desc[(unsigned)group].bg_inode_table + - block; - io = fs->io; - } - offset &= (EXT2_BLOCK_SIZE(fs->super) - 1); - - length = EXT2_INODE_SIZE(fs->super); - if (bufsize < length) - length = bufsize; - - ptr = (char *) inode; - while (length) { - clen = length; - if ((offset + length) > fs->blocksize) - clen = fs->blocksize - offset; - - if (block_nr != fs->icache->buffer_blk) { - retval = io_channel_read_blk(io, block_nr, 1, - fs->icache->buffer); - if (retval) - return retval; - fs->icache->buffer_blk = block_nr; - } - - memcpy(ptr, ((char *) fs->icache->buffer) + (unsigned) offset, - clen); - - offset = 0; - length -= clen; - ptr += clen; - block_nr++; - } - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(fs, (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) inode, - 0, length); -#endif - - /* Update the inode cache */ - fs->icache->cache_last = (fs->icache->cache_last + 1) % - fs->icache->cache_size; - fs->icache->cache[fs->icache->cache_last].ino = ino; - fs->icache->cache[fs->icache->cache_last].inode = *inode; - - return 0; -} - -errcode_t ext2fs_read_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode) -{ - return ext2fs_read_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); -} - -errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, int bufsize) -{ - unsigned long group, block, block_nr, offset; - errcode_t retval = 0; - struct ext2_inode_large temp_inode, *w_inode; - char *ptr; - int clen, i, length; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* Check to see if user provided an override function */ - if (fs->write_inode) { - retval = (fs->write_inode)(fs, ino, inode); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - - /* Check to see if the inode cache needs to be updated */ - if (fs->icache) { - for (i=0; i < fs->icache->cache_size; i++) { - if (fs->icache->cache[i].ino == ino) { - fs->icache->cache[i].inode = *inode; - break; - } - } - } else { - retval = create_icache(fs); - if (retval) - return retval; - } - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - if ((ino == 0) || (ino > fs->super->s_inodes_count)) - return EXT2_ET_BAD_INODE_NUM; - - length = bufsize; - if (length < EXT2_INODE_SIZE(fs->super)) - length = EXT2_INODE_SIZE(fs->super); - - if (length > (int) sizeof(struct ext2_inode_large)) { - w_inode = xmalloc(length); - } else - w_inode = &temp_inode; - memset(w_inode, 0, length); - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - ext2fs_swap_inode_full(fs, w_inode, - (struct ext2_inode_large *) inode, - 1, bufsize); - else -#endif - memcpy(w_inode, inode, bufsize); - - group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super); - offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) * - EXT2_INODE_SIZE(fs->super); - block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (!fs->group_desc[(unsigned) group].bg_inode_table) - return EXT2_ET_MISSING_INODE_TABLE; - block_nr = fs->group_desc[(unsigned) group].bg_inode_table + block; - - offset &= (EXT2_BLOCK_SIZE(fs->super) - 1); - - length = EXT2_INODE_SIZE(fs->super); - if (length > bufsize) - length = bufsize; - - ptr = (char *) w_inode; - - while (length) { - clen = length; - if ((offset + length) > fs->blocksize) - clen = fs->blocksize - offset; - - if (fs->icache->buffer_blk != block_nr) { - retval = io_channel_read_blk(fs->io, block_nr, 1, - fs->icache->buffer); - if (retval) - goto errout; - fs->icache->buffer_blk = block_nr; - } - - - memcpy((char *) fs->icache->buffer + (unsigned) offset, - ptr, clen); - - retval = io_channel_write_blk(fs->io, block_nr, 1, - fs->icache->buffer); - if (retval) - goto errout; - - offset = 0; - ptr += clen; - length -= clen; - block_nr++; - } - - fs->flags |= EXT2_FLAG_CHANGED; -errout: - if (w_inode && w_inode != &temp_inode) - free(w_inode); - return retval; -} - -errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - return ext2fs_write_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); -} - -/* - * This function should be called when writing a new inode. It makes - * sure that extra part of large inodes is initialized properly. - */ -errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - struct ext2_inode *buf; - int size = EXT2_INODE_SIZE(fs->super); - struct ext2_inode_large *large_inode; - - if (size == sizeof(struct ext2_inode)) - return ext2fs_write_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); - - buf = xmalloc(size); - - memset(buf, 0, size); - *buf = *inode; - - large_inode = (struct ext2_inode_large *) buf; - large_inode->i_extra_isize = sizeof(struct ext2_inode_large) - - EXT2_GOOD_OLD_INODE_SIZE; - - return ext2fs_write_inode_full(fs, ino, buf, size); -} - - -errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks) -{ - struct ext2_inode inode; - int i; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (ino > fs->super->s_inodes_count) - return EXT2_ET_BAD_INODE_NUM; - - if (fs->get_blocks) { - if (!(*fs->get_blocks)(fs, ino, blocks)) - return 0; - } - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - for (i=0; i < EXT2_N_BLOCKS; i++) - blocks[i] = inode.i_block[i]; - return 0; -} - -errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino) -{ - struct ext2_inode inode; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (ino > fs->super->s_inodes_count) - return EXT2_ET_BAD_INODE_NUM; - - if (fs->check_directory) { - retval = (fs->check_directory)(fs, ino); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - if (!LINUX_S_ISDIR(inode.i_mode)) - return EXT2_ET_NO_DIRECTORY; - return 0; -} -- cgit v1.2.3