vfs: clarify and clean up dentry_cmp() (5707c87f) · Commits · 戴 / test

It did some odd things for unclear reasons. As this is one of the functions that gets changed when doing word-at-a-time compares, this is yet another of the "don't change any semantics, but clean things up so that subsequent patches don't get obscured by the cleanups". Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

include/linux/dcache.h

+4 −5

Original line number	Diff line number	Diff line
		@@ -54,18 +54,17 @@ extern struct dentry_stat_t dentry_stat;
		static inline int dentry_cmp(const unsigned char *cs, size_t scount,
		const unsigned char *ct, size_t tcount)
		{
		int ret;
		if (scount != tcount)
		return 1;

		do {
		ret = (cs != ct);
		if (ret)
		break;
		if (cs != ct)
		return 1;
		cs++;
		ct++;
		tcount--;
		} while (tcount);
		return ret;
		return 0;
		}

		/* Name hashing routines. Initial hash value */

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