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Commit 471d4011 authored by Suparna Bhattacharya's avatar Suparna Bhattacharya Committed by Linus Torvalds
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[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: default avatarSuparna Bhattacharya <suparna@in.ibm.com>
Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
Signed-off-by: default avatarDave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f65e6fba
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