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fcntl.2: Elaborate on the meaning of "write lifetime hints" 

Cowritten-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2017-08-26 03:07:26 +02:00
parent ccdfed50fc
commit 86b626e520
1 changed files with 3 additions and 1 deletions
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@ -1496,7 +1496,9 @@ all outstanding writes will be discarded.
.\"
.SS File read/write hints
Write lifetime hints can be used to inform the kernel about the relative
expected lifetime of writes on a given inode or file.
expected lifetime of writes on a given inode or file, that is,
the expected time the data will live on media, before
being overwritten or erased.
An application may
use this interface for separating writes into different write classes,
so that multiple users or applications running on a single storage back-end