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e2fsprogs
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3 Commits (d78ea441a2e52f776cc192cc7d1d8b3be2abd971)

Author SHA1 Message Date
Andreas Dilger d78ea441a2 ext2fs_set_gdt_csum(): Force the last block group to have a valid block bitmap 
Never set the UNINIT_BLOCKS flag for the last group since the kernel
doesn't handle the case graefully if there is a full set of blocks in
each blockgroup marked UNINIT_BLOCKS.  The kernel should be fixed up,
but in the meantime this avoids hitting the problem, and is more
consistent with lazy_bg not marking the last group UNINIT.

Signed-off-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2008-03-31 14:28:37 -04:00
Andreas Dilger 80fc4e698a ext2fs_set_gdt_csum(): Clean up superblock dirty flag handling 
Only mark the superblock as dirty if the function actually managed to
change part of the block group descriptor.

Signed-off-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2008-03-31 14:28:37 -04:00
Jose R. Santos ca2634a46a Add initial checksum support for the gdt_checksum/uninit_group feature 
- Add support for computing CRC-16 value.
- Add call to check/verify/set csum on block_groups.
- Add a test program to verify csum operations.

Signed-off-by: Jose R. Santos <jrs@us.ibm.com>
Signed-off-by: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
 2008-03-20 15:32:11 -04:00