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ceph: initialize i_size variable in ceph_sync_read

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Newer compilers seem to determine that this variable being uninitialized
isn't a problem, but older compilers (from the RHEL8 era) seem to choke
on it and complain that it could be used uninitialized.

Go ahead and initialize the variable at declaration time to silence
potential compiler warnings.

Fixes: c3d8e0b5de ("ceph: return the real size read when it hits EOF")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2021-11-23 07:30:38 -05:00 committed by Ilya Dryomov
parent 973e524563
commit e485d028bb
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/file.c
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@ -847,7 +847,7 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to,
ssize_t ret;
u64 off = iocb->ki_pos;
u64 len = iov_iter_count(to);
u64 i_size;
u64 i_size = i_size_read(inode);
dout("sync_read on file %p %llu~%u %s\n", file, off, (unsigned)len,
(file->f_flags & O_DIRECT) ? "O_DIRECT" : "");