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fcntl.2: wfix + ffix: fine-tuning on NFSv4 client locking text 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-04-29 12:06:20 +02:00
parent 70fd304581
commit 15b4459067
1 changed files with 2 additions and 1 deletions
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man2/fcntl.2
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@ -1302,9 +1302,10 @@ The default value for this file is 90.)
This scenario potentially risks data corruption,
since another process might acquire a lock in the intervening period
and perform file I/O.
Since Linux 3.12,
.\" commit ef1820f9be27b6ad158f433ab38002ab8131db4d
if the client loses contact with the server,
if an NFSv4 client loses contact with the server,
any I/O to the file by a process which "thinks" it holds
a lock will fail until that process closes and reopens the file.
A kernel parameter,