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ceph: add exists_cb to vxattr struct

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Allow for a callback to dynamically determine if a vxattr exists for
the given inode.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Sam Lang <sam.lang@inktank.com>
This commit is contained in:
Sage Weil 2013-01-20 21:59:29 -08:00
parent d421acb1ad
commit f36e447296
1 changed files with 2 additions and 0 deletions
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2
fs/ceph/xattr.c
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@ -30,6 +30,7 @@ struct ceph_vxattr {
size_t (*getxattr_cb)(struct ceph_inode_info *ci, char *val, size_t (*getxattr_cb)(struct ceph_inode_info *ci, char *val,
size_t size); size_t size);
bool readonly, hidden; bool readonly, hidden;
bool (*exists_cb)(struct ceph_inode_info *ci);
}; };
/* directories */ /* directories */
@ -92,6 +93,7 @@ static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val,
.getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \
.readonly = true, \ .readonly = true, \
.hidden = false, \ .hidden = false, \
.exists_cb = NULL, \
} }
static struct ceph_vxattr ceph_dir_vxattrs[] = { static struct ceph_vxattr ceph_dir_vxattrs[] = {