Messages in this thread | | | Date | Thu, 10 Aug 2006 09:46:38 -0700 | From | Mingming Cao <> | Subject | Re: [PATCH 1/9] extents for ext4 |
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Andrew Morton wrote:
> On Wed, 09 Aug 2006 18:20:26 -0700 > Mingming Cao <cmm@us.ibm.com> wrote: > > >>Add extent map support to ext4. Patch from Alex Tomas. >> >>On disk extents format: >>/* >> * this is extent on-disk structure >> * it's used at the bottom of the tree >> */ >>struct ext3_extent { >> __le32 ee_block; /* first logical block extent covers */ >> __le16 ee_len; /* number of blocks covered by extent */ >> __le16 ee_start_hi; /* high 16 bits of physical block */ >> __le32 ee_start; /* low 32 bigs of physical block */ >>}; >> > > >>From a quick scan: >
> - There are several places which appear to be putting block numbers into > an `int'. >
This is fixed in [PATCH 4/9] 48bit support in extents, where we converted those "int" type block numbers to ext4_fsblk_t (which is typedefined as sector_t to support 48bit)
Thanks, Mingming
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