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authorMiklos Szeredi <miklos@szeredi.hu>2005-09-09 13:10:39 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 14:03:48 -0700
commit7c352bdf048811b8128019ffc1e886161e09c11c (patch)
tree74c48298b67d37295433d9b2bb08d590a5f97a78 /drivers/sbus
parent8254798199332966e2ab647380c990193af7e854 (diff)
downloadlinux-7c352bdf048811b8128019ffc1e886161e09c11c.tar.bz2
[PATCH] FUSE: don't allow restarting of system calls
This patch removes ability to interrupt and restart operations while there hasn't been any side-effect. The reason: applications. There are some apps it seems that generate signals at a fast rate. This means, that if the operation cannot make enough progress between two signals, it will be restarted for ever. This bug actually manifested itself with 'krusader' trying to open a file for writing under sshfs. Thanks to Eduard Czimbalmos for the report. The problem can be solved just by making open() uninterruptible, because in this case it was the truncate operation that slowed down the progress. But it's better to solve this by simply not allowing interrupts at all (except SIGKILL), because applications don't expect file operations to be interruptible anyway. As an added bonus the code is simplified somewhat. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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