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| author | Sage Weil <sage@inktank.com> | 2013-01-31 20:53:27 +0100 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-02-14 03:25:47 +0100 |
| commit | 8860147a01c4243f64f7d602dbf8342ca616ed45 (patch) | |
| tree | cdc3b501c724afd1ce3708cdf268cf99171d53e5 /fs/ceph/xattr.c | |
| parent | ceph: remove 'ceph.layout' virtual xattr (diff) | |
| download | linux-8860147a01c4243f64f7d602dbf8342ca616ed45.tar.xz linux-8860147a01c4243f64f7d602dbf8342ca616ed45.zip | |
ceph: support hidden vxattrs
Add ability to flag virtual xattrs as hidden, such that you can
getxattr them but they do not appear in listxattr.
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Sam Lang <sam.lang@inktank.com>
Diffstat (limited to 'fs/ceph/xattr.c')
| -rw-r--r-- | fs/ceph/xattr.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index c2048b1a5395..43063d0dee8f 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -29,7 +29,7 @@ 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; + bool readonly, hidden; }; /* directories */ @@ -85,13 +85,14 @@ static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val, #define CEPH_XATTR_NAME(_type, _name) XATTR_CEPH_PREFIX #_type "." #_name -#define XATTR_NAME_CEPH(_type, _name) \ - { \ - .name = CEPH_XATTR_NAME(_type, _name), \ - .name_size = sizeof (CEPH_XATTR_NAME(_type, _name)), \ - .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ - .readonly = true, \ - } +#define XATTR_NAME_CEPH(_type, _name) \ + { \ + .name = CEPH_XATTR_NAME(_type, _name), \ + .name_size = sizeof (CEPH_XATTR_NAME(_type, _name)), \ + .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ + .readonly = true, \ + .hidden = false, \ + } static struct ceph_vxattr ceph_dir_vxattrs[] = { XATTR_NAME_CEPH(dir, entries), @@ -157,7 +158,8 @@ static size_t __init vxattrs_name_size(struct ceph_vxattr *vxattrs) size_t size = 0; for (vxattr = vxattrs; vxattr->name; vxattr++) - size += vxattr->name_size; + if (!vxattr->hidden) + size += vxattr->name_size; return size; } |