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(parent: aa17477) | 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)
commite06c4d7492d4c2da6deaeb90eff652742760ec67
tree7da00fca5375a302a3711f24ca3af44af0a5e7c8tree | snapshot
parentaa17477ebbdd95909f6af1711a57e0273eaa235bcommit | 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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