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[PATCH] fat: cleanup and optimization of checksum

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Signed-off-by: OGAWA Hirofumi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
OGAWA Hirofumi 2005-10-30 15:03:49 -08:00 • committed by Linus Torvalds
commit 451cbaa1c3
3 changed files with 14 additions and 10 deletions
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3
fs/vfat/namei.c
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@ -621,8 +621,7 @@ static int vfat_build_slots(struct inode *dir, const unsigned char *name,
}
/* build the entry of long file name */
for (cksum = i = 0; i < 11; i++)
cksum = (((cksum&1)<<7)|((cksum&0xfe)>>1)) + msdos_name[i];
cksum = fat_checksum(msdos_name);
*nr_slots = usize / 13;
for (ps = slots, i = *nr_slots; i > 0; i--, ps++) {