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ceph: wait for async creating inode before requesting new max size 

ceph_check_caps() can't request new max size for async creating inode.
This may make ceph_get_caps() loop busily until getting reply of the
async create. Also, wait for async creating reply before calling
ceph_renew_caps().

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2020-03-10 19:34:21 +08:00 committed by Ilya Dryomov
parent 0aa971b6fd
commit 9bccb76574
1 changed files with 5 additions and 0 deletions
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5
fs/ceph/caps.c
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@ -2833,6 +2833,11 @@ int ceph_get_caps(struct file *filp, int need, int want,
}
if (ret < 0) {
if (ret == -EFBIG || ret == -ESTALE) {
int ret2 = ceph_wait_on_async_create(inode);
if (ret2 < 0)
return ret2;
}
if (ret == -EFBIG) {
check_max_size(inode, endoff);
continue;