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ceph: Move the place for EOLDSNAPC handle in ceph_aio_write to easily understand

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Only for ceph_sync_write, the osd can return EOLDSNAPC.so move the
related codes after the call ceph_sync_write.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
majianpeng 2013-08-08 15:32:19 +08:00 committed by Sage Weil
parent a158073c43
commit 0e5dd45ce4
1 changed files with 9 additions and 7 deletions
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16
fs/ceph/file.c
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@ -766,6 +766,15 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
mutex_unlock(&inode->i_mutex);
written = ceph_sync_write(file, iov->iov_base, count,
pos, &iocb->ki_pos);
if (written == -EOLDSNAPC) {
dout("aio_write %p %llx.%llx %llu~%u"
"got EOLDSNAPC, retrying\n",
inode, ceph_vinop(inode),
pos, (unsigned)iov->iov_len);
mutex_lock(&inode->i_mutex);
hold_mutex = true;
goto retry_snap;
}
} else {
written = generic_file_buffered_write(iocb, iov, nr_segs,
pos, &iocb->ki_pos,
@ -796,13 +805,6 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
written = err;
}
if (written == -EOLDSNAPC) {
dout("aio_write %p %llx.%llx %llu~%u got EOLDSNAPC, retrying\n",
inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len);
mutex_lock(&inode->i_mutex);
hold_mutex = true;
goto retry_snap;
}
out:
if (hold_mutex)
mutex_unlock(&inode->i_mutex);