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2009-08-14 Vladimir Serbinenko <phcoder@gmail.com>

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Handle group offset on UFS1.

	* fs/ufs.c (grub_ufs_sblock): New field 'cylg_mask'.
	(grub_ufs_read_inode) [!MODE_UFS2]: handle cylg_offset and cylg_mask.
This commit is contained in:
phcoder 2009-08-14 13:42:03 +00:00
parent 25fbd77a9d
commit c60cee8ee1
2 changed files with 13 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2009-08-14 Vladimir Serbinenko <phcoder@gmail.com>
Handle group offset on UFS1.
* fs/ufs.c (grub_ufs_sblock): New field 'cylg_mask'.
(grub_ufs_read_inode) [!MODE_UFS2]: handle cylg_offset and cylg_mask.
2009-08-14 Vladimir Serbinenko <phcoder@gmail.com>
Split ufs.mod into ufs1.mod and ufs2.mod.

7
fs/ufs.c
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@ -88,7 +88,7 @@ struct grub_ufs_sblock
/* The start of the cylinder group. */
grub_uint32_t cylg_offset;
grub_uint8_t unused3[4];
grub_uint32_t cylg_mask;
grub_uint32_t mtime;
grub_uint8_t unused4[12];
@ -360,6 +360,11 @@ grub_ufs_read_inode (struct grub_ufs_data *data, int ino, char *inode)
/* The first block of the group. */
int grpblk = group * (grub_le_to_cpu32 (sblock->frags_per_group));
#ifndef MODE_UFS2
grpblk += grub_le_to_cpu32 (sblock->cylg_offset)
* (group & (~grub_le_to_cpu32 (sblock->cylg_mask)));
#endif
if (!inode)
{
inode = (char *) &data->inode;