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author | Yan, Zheng <zyan@redhat.com> | 2019-01-09 11:07:02 +0800 |
---|---|---|
committer | Ilya Dryomov <idryomov@gmail.com> | 2019-03-05 18:55:16 +0100 |
commit | 08796873a5183bfaab52a3bd899fe82f9e64be94 (patch) | |
tree | af3e31c0d12b4b55ca3bf558c1538a0bff9961b2 /fs/ceph | |
parent | b37fe1f923fb4b17dc7d63406ec8dc67f13c2799 (diff) | |
download | linux-08796873a5183bfaab52a3bd899fe82f9e64be94.tar.gz linux-08796873a5183bfaab52a3bd899fe82f9e64be94.tar.bz2 linux-08796873a5183bfaab52a3bd899fe82f9e64be94.zip |
ceph: support getting ceph.dir.pin vxattr
Link: http://tracker.ceph.com/issues/37576
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r-- | fs/ceph/inode.c | 1 | ||||
-rw-r--r-- | fs/ceph/mds_client.c | 9 | ||||
-rw-r--r-- | fs/ceph/mds_client.h | 1 | ||||
-rw-r--r-- | fs/ceph/super.h | 2 | ||||
-rw-r--r-- | fs/ceph/xattr.c | 20 |
5 files changed, 32 insertions, 1 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 7f82ceff510a..e6012de58aae 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -877,6 +877,7 @@ static int fill_inode(struct inode *inode, struct page *locked_page, ci->i_rbytes = le64_to_cpu(info->rbytes); ci->i_rfiles = le64_to_cpu(info->rfiles); ci->i_rsubdirs = le64_to_cpu(info->rsubdirs); + ci->i_dir_pin = iinfo->dir_pin; ceph_decode_timespec64(&ci->i_rctime, &info->rctime); } } diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index e87544e42488..ddfb6a45575b 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -157,6 +157,13 @@ static int parse_reply_info_in(void **p, void *end, ceph_decode_64_safe(p, end, change_attr, bad); } + /* dir pin */ + if (struct_v >= 2) { + ceph_decode_32_safe(p, end, info->dir_pin, bad); + } else { + info->dir_pin = -ENODATA; + } + *p = end; } else { if (features & CEPH_FEATURE_MDS_INLINE_DATA) { @@ -187,6 +194,8 @@ static int parse_reply_info_in(void **p, void *end, *p += info->pool_ns_len; } } + + info->dir_pin = -ENODATA; } return 0; bad: diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index 0919aacc1af3..af3b25e59e90 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -68,6 +68,7 @@ struct ceph_mds_reply_info_in { char *pool_ns_data; u64 max_bytes; u64 max_files; + s32 dir_pin; }; struct ceph_mds_reply_dir_entry { diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 5b15ae91024a..df44a7761472 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -318,6 +318,8 @@ struct ceph_inode_info { /* quotas */ u64 i_max_bytes, i_max_files; + s32 i_dir_pin; + struct rb_root i_fragtree; int i_fragtree_nsplits; struct mutex i_fragtree_mutex; diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 316f6ad10644..0cc42c8879e9 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -228,8 +228,19 @@ static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val, ci->i_rctime.tv_nsec); } -/* quotas */ +/* dir pin */ +static bool ceph_vxattrcb_dir_pin_exists(struct ceph_inode_info *ci) +{ + return ci->i_dir_pin != -ENODATA; +} + +static size_t ceph_vxattrcb_dir_pin(struct ceph_inode_info *ci, char *val, + size_t size) +{ + return snprintf(val, size, "%d", (int)ci->i_dir_pin); +} +/* quotas */ static bool ceph_vxattrcb_quota_exists(struct ceph_inode_info *ci) { bool ret = false; @@ -315,6 +326,13 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = { XATTR_RSTAT_FIELD(dir, rbytes), XATTR_RSTAT_FIELD(dir, rctime), { + .name = "ceph.dir.pin", + .name_size = sizeof("ceph.dir_pin"), + .getxattr_cb = ceph_vxattrcb_dir_pin, + .exists_cb = ceph_vxattrcb_dir_pin_exists, + .flags = VXATTR_FLAG_HIDDEN, + }, + { .name = "ceph.quota", .name_size = sizeof("ceph.quota"), .getxattr_cb = ceph_vxattrcb_quota, |