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author | Evgeniy Dushistov <dushistov@mail.ru> | 2006-06-25 05:47:23 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 10:01:02 -0700 |
commit | 3e41f597b1595479e4a1b2e6b17b3542120ef165 (patch) | |
tree | a4adfd190f25b6b896ae04e9d4cbd6c4d94c872c /fs/ufs/util.h | |
parent | 9695ef16ed4e00b59303f39f9a4a422a2c6a3b89 (diff) | |
download | op-kernel-dev-3e41f597b1595479e4a1b2e6b17b3542120ef165.zip op-kernel-dev-3e41f597b1595479e4a1b2e6b17b3542120ef165.tar.gz |
[PATCH] ufs: not usual amounts of fragments per block
The writing to UFS file system with block/fragment!=8 may cause bogus
behaviour. The problem in "ufs_bitmap_search" function, which doesn't work
correctly in "block/fragment!=8" case. The idea is stolen from BSD code.
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ufs/util.h')
-rw-r--r-- | fs/ufs/util.h | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/fs/ufs/util.h b/fs/ufs/util.h index 6a0b48c..e95d1c4 100644 --- a/fs/ufs/util.h +++ b/fs/ufs/util.h @@ -513,29 +513,3 @@ static inline void ufs_fragacct (struct super_block * sb, unsigned blockmap, if (fragsize > 0 && fragsize < uspi->s_fpb) fs32_add(sb, &fraglist[fragsize], cnt); } - -#define ubh_scanc(ubh,begin,size,table,mask) _ubh_scanc_(uspi,ubh,begin,size,table,mask) -static inline unsigned _ubh_scanc_(struct ufs_sb_private_info * uspi, struct ufs_buffer_head * ubh, - unsigned begin, unsigned size, unsigned char * table, unsigned char mask) -{ - unsigned rest, offset; - unsigned char * cp; - - - offset = begin & ~uspi->s_fmask; - begin >>= uspi->s_fshift; - for (;;) { - if ((offset + size) < uspi->s_fsize) - rest = size; - else - rest = uspi->s_fsize - offset; - size -= rest; - cp = ubh->bh[begin]->b_data + offset; - while ((table[*cp++] & mask) == 0 && --rest); - if (rest || !size) - break; - begin++; - offset = 0; - } - return (size + rest); -} |