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docs: sysctl/fs: merge the aio sections 

There are two sections documenting aio-nr and aio-max-nr, merge them.
I kept the second explanation of aio-nr, which seems clearer to me,
along with the effects of the values from the first section.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lore.kernel.org/r/20220930102937.135841-4-steve@sk2.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Stephen Kitt 2022-09-30 12:29:35 +02:00 committed by Jonathan Corbet
parent 81885a45b3
commit c46ff5c5b8
1 changed files with 5 additions and 13 deletions
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18
Documentation/admin-guide/sysctl/fs.rst
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@ -50,11 +50,11 @@ Currently, these files are in /proc/sys/fs:
aio-nr & aio-max-nr
-------------------
aio-nr is the running total of the number of events specified on the
io_setup system call for all currently active aio contexts. If aio-nr
reaches aio-max-nr then io_setup will fail with EAGAIN. Note that
raising aio-max-nr does not result in the pre-allocation or re-sizing
of any kernel data structures.
aio-nr shows the current system-wide number of asynchronous io
requests. aio-max-nr allows you to change the maximum value
aio-nr can grow to. If aio-nr reaches aio-nr-max then io_setup will
fail with EAGAIN. Note that raising aio-max-nr does not result in the
pre-allocation or re-sizing of any kernel data structures.
dentry-state
@ -287,14 +287,6 @@ mount more filesystems than the current value in super-max
allows you to.
aio-nr & aio-max-nr
-------------------
aio-nr shows the current system-wide number of asynchronous io
requests. aio-max-nr allows you to change the maximum value
aio-nr can grow to.
mount-max
---------