tree 7ec2cdd632cf4076517d3c81044643ac65528b9b
parent f65e6fba163dfd0f962efb7d8f5528b6872e2b15
author Suparna Bhattacharya <suparna@in.ibm.com> 1160554866 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1160590456 -0700

[PATCH] ext4: uninitialised extent handling

Make it possible to add file preallocation support in future as an RO_COMPAT
feature by recognizing uninitialized extents as holes and limiting extent
length to keep the top bit of ee_len free for marking uninitialized extents.

Signed-off-by: Suparna Bhattacharya <suparna@in.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>