[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/hpfs/dentry.c b/ap/os/linux/linux-3.4.x/fs/hpfs/dentry.c
new file mode 100644
index 0000000..05d4816
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/hpfs/dentry.c
@@ -0,0 +1,64 @@
+/*
+ * 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, const struct inode *inode,
+ 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();
+ 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 *parent,
+ const struct inode *pinode,
+ const struct dentry *dentry, const struct inode *inode,
+ 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(parent->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,
+};