Revision 3d7ded4d81d807c2f75f310a8d74a5d72be13a1b authored by Sage Weil on 09 June 2010, 23:47:10 UTC, committed by Sage Weil on 10 June 2010, 20:30:07 UTC
If we get an IMPORT that give us a cap, but we don't have the inode, queue
a release (and try to send it immediately) so that the MDS doesn't get
stuck waiting for us.

Signed-off-by: Sage Weil <sage@newdream.net>
1 parent 9dbd412
Raw File
crc32.h
/*
 * crc32.h
 * See linux/lib/crc32.c for license and changes
 */
#ifndef _LINUX_CRC32_H
#define _LINUX_CRC32_H

#include <linux/types.h>
#include <linux/bitrev.h>

extern u32  crc32_le(u32 crc, unsigned char const *p, size_t len);
extern u32  crc32_be(u32 crc, unsigned char const *p, size_t len);

#define crc32(seed, data, length)  crc32_le(seed, (unsigned char const *)data, length)

/*
 * Helpers for hash table generation of ethernet nics:
 *
 * Ethernet sends the least significant bit of a byte first, thus crc32_le
 * is used. The output of crc32_le is bit reversed [most significant bit
 * is in bit nr 0], thus it must be reversed before use. Except for
 * nics that bit swap the result internally...
 */
#define ether_crc(length, data)    bitrev32(crc32_le(~0, data, length))
#define ether_crc_le(length, data) crc32_le(~0, data, length)

#endif /* _LINUX_CRC32_H */
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