/* * linux/fs/hpfs/dentry.c * * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999 * * dcache operations */ #include "hpfs_fn.h" /* * Note: the dentry argument is the parent dentry. */ static int hpfs_hash_dentry(const struct dentry *dentry, struct qstr *qstr) { unsigned long hash; int i; unsigned l = qstr->len; if (l == 1) if (qstr->name[0]=='.') goto x; if (l == 2) if (qstr->name[0]=='.' || qstr->name[1]=='.') goto x; hpfs_adjust_length(qstr->name, &l); /*if (hpfs_chk_name(qstr->name,&l))*/ /*return -ENAMETOOLONG;*/ /*return -ENOENT;*/ x: hash = init_name_hash(dentry); for (i = 0; i < l; i++) hash = partial_name_hash(hpfs_upcase(hpfs_sb(dentry->d_sb)->sb_cp_table,qstr->name[i]), hash); qstr->hash = end_name_hash(hash); return 0; } static int hpfs_compare_dentry(const struct dentry *dentry, unsigned int len, const char *str, const struct qstr *name) { unsigned al = len; unsigned bl = name->len; hpfs_adjust_length(str, &al); /*hpfs_adjust_length(b->name, &bl);*/ /* * 'str' is the nane of an already existing dentry, so the name * must be valid. 'name' must be validated first. */ if (hpfs_chk_name(name->name, &bl)) return 1; if (hpfs_compare_names(dentry->d_sb, str, al, name->name, bl, 0)) return 1; return 0; } const struct dentry_operations hpfs_dentry_operations = { .d_hash = hpfs_hash_dentry, .d_compare = hpfs_compare_dentry, }; /td>Tobias Klauser

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