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Commit 9bacbb4c authored by Eric Whitney's avatar Eric Whitney Committed by Greg Kroah-Hartman
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ext4: add new pending reservation mechanism



[ Upstream commit 1dc0aa46e74a3366e12f426b7caaca477853e9c3 ]

Add new pending reservation mechanism to help manage reserved cluster
accounting.  Its primary function is to avoid the need to read extents
from the disk when invalidating pages as a result of a truncate, punch
hole, or collapse range operation.

Signed-off-by: default avatarEric Whitney <enwlinux@gmail.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Stable-dep-of: 131294c35ed6 ("ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline")
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent cca8671f
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