a question about quota credits ...

Good day,

in include/linux/ext3_jbd.h:

/* Define the number of blocks we need to account to a transaction to
 * modify one block of data.
 * 
 * We may have to touch one inode, one bitmap buffer, up to three
 * indirection blocks, the group and superblock summaries, and the data
 * block to complete the transaction.  */

#define EXT3_SINGLEDATA_TRANS_BLOCKS	8U


who does take a care about allocation those indirect blocks?

shouldn't it be like this:

   inode                 - 1
+  3 indirect blocks     - 3 * 4 (bitmap + group + sb + block itself)
+  data block            - 4 (bitmap + group + sb + block itself)
= 17


thanks, Alex
----------