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| author | Yan, Zheng <zyan@redhat.com> | 2016-02-03 21:24:49 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-07-28 02:55:36 +0200 |
| commit | 7627151ea30bce2051e3cb27d7bb2c30083f86a5 (patch) | |
| tree | 8a4c9422b30c3e50eb76923c746747f4e09d0bb5 /net/ceph/ceph_fs.c | |
| parent | 22748f9d617b8cd0a915c3a4c656c7232645b3b5 (diff) | |
| download | lwn-7627151ea30bce2051e3cb27d7bb2c30083f86a5.tar.gz lwn-7627151ea30bce2051e3cb27d7bb2c30083f86a5.zip | |
libceph: define new ceph_file_layout structure
Define new ceph_file_layout structure and rename old ceph_file_layout
to ceph_file_layout_legacy. This is preparation for adding namespace
to ceph_file_layout structure.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'net/ceph/ceph_fs.c')
| -rw-r--r-- | net/ceph/ceph_fs.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c index 41466ccb972a..7d54e944de5e 100644 --- a/net/ceph/ceph_fs.c +++ b/net/ceph/ceph_fs.c @@ -9,9 +9,9 @@ */ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout) { - __u32 su = le32_to_cpu(layout->fl_stripe_unit); - __u32 sc = le32_to_cpu(layout->fl_stripe_count); - __u32 os = le32_to_cpu(layout->fl_object_size); + __u32 su = layout->stripe_unit; + __u32 sc = layout->stripe_count; + __u32 os = layout->object_size; /* stripe unit, object size must be non-zero, 64k increment */ if (!su || (su & (CEPH_MIN_STRIPE_UNIT-1))) @@ -27,6 +27,30 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout) return 1; } +void ceph_file_layout_from_legacy(struct ceph_file_layout *fl, + struct ceph_file_layout_legacy *legacy) +{ + fl->stripe_unit = le32_to_cpu(legacy->fl_stripe_unit); + fl->stripe_count = le32_to_cpu(legacy->fl_stripe_count); + fl->object_size = le32_to_cpu(legacy->fl_object_size); + fl->pool_id = le32_to_cpu(legacy->fl_pg_pool); + if (fl->pool_id == 0) + fl->pool_id = -1; +} +EXPORT_SYMBOL(ceph_file_layout_from_legacy); + +void ceph_file_layout_to_legacy(struct ceph_file_layout *fl, + struct ceph_file_layout_legacy *legacy) +{ + legacy->fl_stripe_unit = cpu_to_le32(fl->stripe_unit); + legacy->fl_stripe_count = cpu_to_le32(fl->stripe_count); + legacy->fl_object_size = cpu_to_le32(fl->object_size); + if (fl->pool_id >= 0) + legacy->fl_pg_pool = cpu_to_le32(fl->pool_id); + else + legacy->fl_pg_pool = 0; +} +EXPORT_SYMBOL(ceph_file_layout_to_legacy); int ceph_flags_to_mode(int flags) { |