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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2008-02-08 04:20:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:22:35 -0800 |
| commit | 3f2587bb22bbcd679e9cf034fb4a29bb48b051b3 (patch) | |
| tree | 47052ce02f10d5f72656b41763feab86d105ea6a /fs/udf/super.c | |
| parent | 4b11111aba6c80cc2969fd1806d2a869bfc9f357 (diff) | |
| download | op-kernel-dev-3f2587bb22bbcd679e9cf034fb4a29bb48b051b3.zip op-kernel-dev-3f2587bb22bbcd679e9cf034fb4a29bb48b051b3.tar.gz | |
udf: create common function for tag checksumming
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/super.c')
| -rw-r--r-- | fs/udf/super.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c index 7f75a94..12fb91d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -1564,7 +1564,6 @@ static void udf_open_lvid(struct super_block *sb) struct udf_sb_info *sbi = UDF_SB(sb); struct buffer_head *bh = sbi->s_lvid_bh; if (bh) { - int i; kernel_timestamp cpu_time; struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data; @@ -1582,12 +1581,7 @@ static void udf_open_lvid(struct super_block *sb) le16_to_cpu(lvid->descTag.descCRCLength), 0)); - lvid->descTag.tagChecksum = 0; - for (i = 0; i < 16; i++) - if (i != 4) - lvid->descTag.tagChecksum += - ((uint8_t *) &(lvid->descTag))[i]; - + lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); mark_buffer_dirty(bh); } } @@ -1595,7 +1589,6 @@ static void udf_open_lvid(struct super_block *sb) static void udf_close_lvid(struct super_block *sb) { kernel_timestamp cpu_time; - int i; struct udf_sb_info *sbi = UDF_SB(sb); struct buffer_head *bh = sbi->s_lvid_bh; struct logicalVolIntegrityDesc *lvid; @@ -1626,12 +1619,7 @@ static void udf_close_lvid(struct super_block *sb) le16_to_cpu(lvid->descTag.descCRCLength), 0)); - lvid->descTag.tagChecksum = 0; - for (i = 0; i < 16; i++) - if (i != 4) - lvid->descTag.tagChecksum += - ((uint8_t *)&(lvid->descTag))[i]; - + lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); mark_buffer_dirty(bh); } } |
