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[PATCH] fuse: add request interruption

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Add synchronous request interruption.  This is needed for file locking
operations which have to be interruptible.  However filesystem may implement
interruptibility of other operations (e.g.  like NFS 'intr' mount option).

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Miklos Szeredi
2006-06-25 05:48:54 -07:00
committed by Linus Torvalds
parent f9a2842e56
commit a4d27e75ff
6 changed files with 205 additions and 32 deletions
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7
include/linux/fuse.h
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@@ -125,7 +125,8 @@ enum fuse_opcode {
FUSE_SETLK = 32,
FUSE_SETLKW = 33,
FUSE_ACCESS = 34,
FUSE_CREATE = 35
FUSE_CREATE = 35,
FUSE_INTERRUPT = 36,
};
/* The read buffer is required to be at least 8k, but may be much larger */
@@ -291,6 +292,10 @@ struct fuse_init_out {
__u32 max_write;
};
struct fuse_interrupt_in {
__u64 unique;
};
struct fuse_in_header {
__u32 len;
__u32 opcode;