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ceph: use a symbolic name for "ceph." extended attribute namespace 

Use symbolic constants to define the top-level prefix for "ceph."
extended attribute names.

Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Alex Elder 2012-01-23 15:49:28 -06:00
parent 06476a69d8
commit 2289190719
1 changed files with 14 additions and 11 deletions
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25
fs/ceph/xattr.c
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@ -8,9 +8,12 @@
#include <linux/xattr.h> #include <linux/xattr.h>
#include <linux/slab.h> #include <linux/slab.h>
#define XATTR_CEPH_PREFIX "ceph."
#define XATTR_CEPH_PREFIX_LEN (sizeof (XATTR_CEPH_PREFIX) - 1)
static bool ceph_is_valid_xattr(const char *name) static bool ceph_is_valid_xattr(const char *name)
{ {
return !strncmp(name, "ceph.", 5) || return !strncmp(name, XATTR_CEPH_PREFIX, XATTR_CEPH_PREFIX_LEN) ||
!strncmp(name, XATTR_SECURITY_PREFIX, !strncmp(name, XATTR_SECURITY_PREFIX,
XATTR_SECURITY_PREFIX_LEN) || XATTR_SECURITY_PREFIX_LEN) ||
!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) || !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) ||
@ -80,14 +83,14 @@ static size_t ceph_vxattrcb_rctime(struct ceph_inode_info *ci, char *val,
} }
static struct ceph_vxattr_cb ceph_dir_vxattrs[] = { static struct ceph_vxattr_cb ceph_dir_vxattrs[] = {
{ true, "ceph.dir.entries", ceph_vxattrcb_entries}, { true, XATTR_CEPH_PREFIX "dir.entries", ceph_vxattrcb_entries},
{ true, "ceph.dir.files", ceph_vxattrcb_files}, { true, XATTR_CEPH_PREFIX "dir.files", ceph_vxattrcb_files},
{ true, "ceph.dir.subdirs", ceph_vxattrcb_subdirs}, { true, XATTR_CEPH_PREFIX "dir.subdirs", ceph_vxattrcb_subdirs},
{ true, "ceph.dir.rentries", ceph_vxattrcb_rentries}, { true, XATTR_CEPH_PREFIX "dir.rentries", ceph_vxattrcb_rentries},
{ true, "ceph.dir.rfiles", ceph_vxattrcb_rfiles}, { true, XATTR_CEPH_PREFIX "dir.rfiles", ceph_vxattrcb_rfiles},
{ true, "ceph.dir.rsubdirs", ceph_vxattrcb_rsubdirs}, { true, XATTR_CEPH_PREFIX "dir.rsubdirs", ceph_vxattrcb_rsubdirs},
{ true, "ceph.dir.rbytes", ceph_vxattrcb_rbytes}, { true, XATTR_CEPH_PREFIX "dir.rbytes", ceph_vxattrcb_rbytes},
{ true, "ceph.dir.rctime", ceph_vxattrcb_rctime}, { true, XATTR_CEPH_PREFIX "dir.rctime", ceph_vxattrcb_rctime},
{ true, NULL, NULL } { true, NULL, NULL }
}; };
@ -111,9 +114,9 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
} }
static struct ceph_vxattr_cb ceph_file_vxattrs[] = { static struct ceph_vxattr_cb ceph_file_vxattrs[] = {
{ true, "ceph.file.layout", ceph_vxattrcb_layout}, { true, XATTR_CEPH_PREFIX "file.layout", ceph_vxattrcb_layout},
/* The following extended attribute name is deprecated */ /* The following extended attribute name is deprecated */
{ true, "ceph.layout", ceph_vxattrcb_layout}, { true, XATTR_CEPH_PREFIX "layout", ceph_vxattrcb_layout},
{ true, NULL, NULL } { true, NULL, NULL }
}; };