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9p: document short read behaviour with O_NONBLOCK
authorDominique Martinet <dominique.martinet@cea.fr>
Mon, 6 Apr 2020 17:19:32 +0000 (19:19 +0200)
committerDominique Martinet <dominique.martinet@cea.fr>
Wed, 8 Apr 2020 15:05:28 +0000 (17:05 +0200)
commitc6f141412d24c8d8a9d98ef45303c0235829044b
tree569fb4893136ca5a7e1c94843bbd59989d9c9587tree | snapshot
parent43657496e46672fe63bccc1fcfb5b68de6e1e2f4commit | diff
9p: document short read behaviour with O_NONBLOCK

Regular files opened with O_NONBLOCK allow read to return after a single
round-trip with the server instead of trying to fill buffer.
Add a few lines in 9p documentation to describe that.

Link: http://lkml.kernel.org/r/1586193572-1375-1-git-send-email-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Documentation/filesystems/9p.txt diff | blob | history
Domain: System / Kernel;