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(parent: d178115) | patch
ext4: add new pending reservation mechanism
authorEric Whitney <enwlinux@gmail.com>
Mon, 1 Oct 2018 18:17:41 +0000 (14:17 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 1 Oct 2018 18:17:41 +0000 (14:17 -0400)
commitd81812024196f3bce81ad18af53f416f44e94ddb
tree7da00fca5375a302a3711f24ca3af44af0a5e7c8tree | snapshot
parentd178115af2b73d8561b3d5e9a09ee59c02d46327commit | diff
ext4: add new pending reservation mechanism

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: Eric Whitney <enwlinux@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ext4.h diff | blob | history
fs/ext4/extents_status.c diff | blob | history
fs/ext4/extents_status.h diff | blob | history
fs/ext4/super.c diff | blob | history
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