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fat: don't use free_clusters for fat32

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It seems that the recent Windows changed specification, and it's
undocumented.  Windows doesn't update ->free_clusters correctly.

This patch doesn't use ->free_clusters by default.  (instead, add "usefree"
for forcing to use it)

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Juergen Beisert <juergen127@kreuzholzen.de>
Cc: Andreas Schwab <schwab@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
OGAWA Hirofumi
2007-05-08 00:31:01 -07:00
committed by Linus Torvalds
parent 4ff773bbde
commit 28ec039c21
3 changed files with 20 additions and 4 deletions
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include/linux/msdos_fs.h
+2 -1
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@@ -205,7 +205,8 @@ struct fat_mount_options {
numtail:1, /* Does first alias have a numeric '~1' type tail? */
atari:1, /* Use Atari GEMDOS variation of MS-DOS fs */
flush:1, /* write things quickly */
nocase:1; /* Does this need case conversion? 0=need case conversion*/
nocase:1, /* Does this need case conversion? 0=need case conversion*/
usefree:1; /* Use free_clusters for FAT32 */
};
#define FAT_HASH_BITS 8