diff options
Diffstat (limited to 'fs/ceph/xattr.c')
| -rw-r--r-- | fs/ceph/xattr.c | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 315f7e63e7cc..5bc8edb4c2a6 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -50,10 +50,14 @@ struct ceph_vxattr { size_t name_size; /* strlen(name) + 1 (for '\0') */ size_t (*getxattr_cb)(struct ceph_inode_info *ci, char *val, size_t size); - bool readonly, hidden; bool (*exists_cb)(struct ceph_inode_info *ci); + unsigned int flags; }; +#define VXATTR_FLAG_READONLY (1<<0) +#define VXATTR_FLAG_HIDDEN (1<<1) +#define VXATTR_FLAG_RSTAT (1<<2) + /* layouts */ static bool ceph_vxattrcb_layout_exists(struct ceph_inode_info *ci) @@ -262,32 +266,31 @@ static size_t ceph_vxattrcb_quota_max_files(struct ceph_inode_info *ci, #define CEPH_XATTR_NAME2(_type, _name, _name2) \ XATTR_CEPH_PREFIX #_type "." #_name "." #_name2 -#define XATTR_NAME_CEPH(_type, _name) \ +#define XATTR_NAME_CEPH(_type, _name, _flags) \ { \ .name = CEPH_XATTR_NAME(_type, _name), \ .name_size = sizeof (CEPH_XATTR_NAME(_type, _name)), \ .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ - .readonly = true, \ - .hidden = false, \ - .exists_cb = NULL, \ + .exists_cb = NULL, \ + .flags = (VXATTR_FLAG_READONLY | _flags), \ } +#define XATTR_RSTAT_FIELD(_type, _name) \ + XATTR_NAME_CEPH(_type, _name, VXATTR_FLAG_RSTAT) #define XATTR_LAYOUT_FIELD(_type, _name, _field) \ { \ .name = CEPH_XATTR_NAME2(_type, _name, _field), \ .name_size = sizeof (CEPH_XATTR_NAME2(_type, _name, _field)), \ .getxattr_cb = ceph_vxattrcb_ ## _name ## _ ## _field, \ - .readonly = false, \ - .hidden = true, \ .exists_cb = ceph_vxattrcb_layout_exists, \ + .flags = VXATTR_FLAG_HIDDEN, \ } #define XATTR_QUOTA_FIELD(_type, _name) \ { \ .name = CEPH_XATTR_NAME(_type, _name), \ .name_size = sizeof(CEPH_XATTR_NAME(_type, _name)), \ .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ - .readonly = false, \ - .hidden = true, \ .exists_cb = ceph_vxattrcb_quota_exists, \ + .flags = VXATTR_FLAG_HIDDEN, \ } static struct ceph_vxattr ceph_dir_vxattrs[] = { @@ -295,30 +298,28 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = { .name = "ceph.dir.layout", .name_size = sizeof("ceph.dir.layout"), .getxattr_cb = ceph_vxattrcb_layout, - .readonly = false, - .hidden = true, .exists_cb = ceph_vxattrcb_layout_exists, + .flags = VXATTR_FLAG_HIDDEN, }, XATTR_LAYOUT_FIELD(dir, layout, stripe_unit), XATTR_LAYOUT_FIELD(dir, layout, stripe_count), XATTR_LAYOUT_FIELD(dir, layout, object_size), XATTR_LAYOUT_FIELD(dir, layout, pool), XATTR_LAYOUT_FIELD(dir, layout, pool_namespace), - XATTR_NAME_CEPH(dir, entries), - XATTR_NAME_CEPH(dir, files), - XATTR_NAME_CEPH(dir, subdirs), - XATTR_NAME_CEPH(dir, rentries), - XATTR_NAME_CEPH(dir, rfiles), - XATTR_NAME_CEPH(dir, rsubdirs), - XATTR_NAME_CEPH(dir, rbytes), - XATTR_NAME_CEPH(dir, rctime), + XATTR_NAME_CEPH(dir, entries, 0), + XATTR_NAME_CEPH(dir, files, 0), + XATTR_NAME_CEPH(dir, subdirs, 0), + XATTR_RSTAT_FIELD(dir, rentries), + XATTR_RSTAT_FIELD(dir, rfiles), + XATTR_RSTAT_FIELD(dir, rsubdirs), + XATTR_RSTAT_FIELD(dir, rbytes), + XATTR_RSTAT_FIELD(dir, rctime), { .name = "ceph.quota", .name_size = sizeof("ceph.quota"), .getxattr_cb = ceph_vxattrcb_quota, - .readonly = false, - .hidden = true, .exists_cb = ceph_vxattrcb_quota_exists, + .flags = VXATTR_FLAG_HIDDEN, }, XATTR_QUOTA_FIELD(quota, max_bytes), XATTR_QUOTA_FIELD(quota, max_files), @@ -333,9 +334,8 @@ static struct ceph_vxattr ceph_file_vxattrs[] = { .name = "ceph.file.layout", .name_size = sizeof("ceph.file.layout"), .getxattr_cb = ceph_vxattrcb_layout, - .readonly = false, - .hidden = true, .exists_cb = ceph_vxattrcb_layout_exists, + .flags = VXATTR_FLAG_HIDDEN, }, XATTR_LAYOUT_FIELD(file, layout, stripe_unit), XATTR_LAYOUT_FIELD(file, layout, stripe_count), @@ -374,9 +374,10 @@ static size_t __init vxattrs_name_size(struct ceph_vxattr *vxattrs) struct ceph_vxattr *vxattr; size_t size = 0; - for (vxattr = vxattrs; vxattr->name; vxattr++) - if (!vxattr->hidden) + for (vxattr = vxattrs; vxattr->name; vxattr++) { + if (!(vxattr->flags & VXATTR_FLAG_HIDDEN)) size += vxattr->name_size; + } return size; } @@ -809,7 +810,10 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value, /* let's see if a virtual xattr was requested */ vxattr = ceph_match_vxattr(inode, name); if (vxattr) { - err = ceph_do_getattr(inode, 0, true); + int mask = 0; + if (vxattr->flags & VXATTR_FLAG_RSTAT) + mask |= CEPH_STAT_RSTAT; + err = ceph_do_getattr(inode, mask, true); if (err) return err; err = -ENODATA; @@ -919,7 +923,7 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size) err = namelen; if (vxattrs) { for (i = 0; vxattrs[i].name; i++) { - if (!vxattrs[i].hidden && + if (!(vxattrs[i].flags & VXATTR_FLAG_HIDDEN) && !(vxattrs[i].exists_cb && !vxattrs[i].exists_cb(ci))) { len = sprintf(names, "%s", vxattrs[i].name); @@ -1024,7 +1028,7 @@ int __ceph_setxattr(struct inode *inode, const char *name, vxattr = ceph_match_vxattr(inode, name); if (vxattr) { - if (vxattr->readonly) + if (vxattr->flags & VXATTR_FLAG_READONLY) return -EOPNOTSUPP; if (value && !strncmp(vxattr->name, "ceph.quota", 10)) check_realm = true; |