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[PATCH] FUSE: atomic create+open

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This patch adds an atomic create+open operation.  This does not yet work if
the file type changes between lookup and create+open, but solves the
permission checking problems for the separte create and open methods.

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
2005-11-07 00:59:51 -08:00
committed by Linus Torvalds
parent 31d40d74b4
commit fd72faac95
5 changed files with 214 additions and 50 deletions
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7
fs/fuse/dev.c
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@@ -184,6 +184,13 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
fuse_putback_request() */
for (i = 1; i < FUSE_MAX_OUTSTANDING; i++)
up(&fc->outstanding_sem);
} else if (req->in.h.opcode == FUSE_RELEASE && req->inode == NULL) {
/* Special case for failed iget in CREATE */
u64 nodeid = req->in.h.nodeid;
__fuse_get_request(req);
fuse_reset_request(req);
fuse_send_forget(fc, req, nodeid, 1);
putback = 0;
}
if (putback)
fuse_putback_request(fc, req);