On 4/25/11 5:07 PM, Sean McCauliff wrote:> Does ext3 allocate indirect blocks as needed or is there some fixed number
of these like inodes? Should I be concerned with running out of indirect
blocks?
ext3 allocates them as needed.
In fact you will often see them allocated consecutively with the data blocks
they refer to:
debugfs: stat bigfile
Inode: 12 Type: regular Mode: 0644 Flags: 0x0
Generation: 330185944 Version: 0x00000000
User: 0 Group: 0 Size: 8388608
File ACL: 0 Directory ACL: 0
Links: 1 Blockcount: 16450
Fragment: Address: 0 Number: 0 Size: 0
ctime: 0x4db5f1c8 -- Mon Apr 25 17:12:24 2011
atime: 0x4db5f1c8 -- Mon Apr 25 17:12:24 2011
mtime: 0x4db5f1c8 -- Mon Apr 25 17:12:24 2011
BLOCKS:
(0-11):2561-2572, (IND):2573, (12-267):2574-2829, (DIND):2830, (IND):2831, (268-
523):2832-3087, (IND):3088, (524-779):3089-3344, (IND):3345, (780-1035):3346-360
1, (IND):3602, (1036-1291):3603-3858, (IND):3859, (1292-1547):3860-4115, (IND):4
116, (1548-1803):4117-4372, (IND):4373, (1804-2059):4374-4629, (IND):4630, ...
... and so on (IND/DIND are indirect & double indirect blocks).
-Eric
> Thanks,
> Sean