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Miklos Szeredi d12def1bcb fuse: limit queued background requests

Libfuse basically creates a new thread for each new request.  This is fine for
synchronous requests, which are naturally limited.  However background
requests (especially writepage) can cause a thread creation storm.

To avoid this, limit the number of background requests available to userspace.

This is done by introducing another queue for background requests, and a
counter for the number of "active" requests, which are currently available for
userspace.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2008-02-06 10:41:13 -08:00

control.c

[PATCH] mark struct inode_operations const 1

2007-02-12 09:48:46 -08:00

dev.c

fuse: limit queued background requests

2008-02-06 10:41:13 -08:00

dir.c

fuse: fix attribute caching after create

2008-02-06 10:41:13 -08:00

file.c

fuse: save space in struct fuse_req