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ceph: add new field max_file_size in ceph_fs_client

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In order to not bother to VFS and other specific filesystems,
we decided to do offset validation inside ceph kernel client,
so just simply set sb->s_maxbytes to MAX_LFS_FILESIZE so that
it can successfully pass VFS check. We add new field max_file_size
in ceph_fs_client to store real file size limit and doing proper
check based on it.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Chengguang Xu
2018-07-19 22:15:24 +08:00
committed by Ilya Dryomov
parent f1d10e0463
commit 719784ba70
3 changed files with 5 additions and 2 deletions
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fs/ceph/super.h
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@@ -98,6 +98,7 @@ struct ceph_fs_client {
unsigned long mount_state;
int min_caps; /* min caps i added */
loff_t max_file_size;
struct ceph_mds_client *mdsc;