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authorJeff Layton <jlayton@kernel.org>2020-11-03 22:00:26 +0300
committerIlya Dryomov <idryomov@gmail.com>2020-12-15 01:21:47 +0300
commit81048c00d133512e4b4a848b0653d782a83e5911 (patch)
tree9a0081078b8001fcf3be582ce854ac9af3810ac3 /fs/ceph
parent06a1ad438b7b8d4fd689114a305b37cb526ff638 (diff)
downloadlinux-81048c00d133512e4b4a848b0653d782a83e5911.tar.xz
ceph: acquire Fs caps when getting dir stats
We only update the inode's dirstats when we have Fs caps from the MDS. Declare a new VXATTR_FLAG_DIRSTAT that we set on all dirstats, and have the vxattr handling code acquire those caps when it's set. URL: https://tracker.ceph.com/issues/48104 Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Patrick Donnelly <pdonnell@redhat.com> Reviewed-by: Xiubo Li <xiubli@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/xattr.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 197cb1234341..0fd05d3d4399 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -42,6 +42,7 @@ struct ceph_vxattr {
#define VXATTR_FLAG_READONLY (1<<0)
#define VXATTR_FLAG_HIDDEN (1<<1)
#define VXATTR_FLAG_RSTAT (1<<2)
+#define VXATTR_FLAG_DIRSTAT (1<<3)
/* layouts */
@@ -347,9 +348,9 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = {
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, 0),
- XATTR_NAME_CEPH(dir, files, 0),
- XATTR_NAME_CEPH(dir, subdirs, 0),
+ XATTR_NAME_CEPH(dir, entries, VXATTR_FLAG_DIRSTAT),
+ XATTR_NAME_CEPH(dir, files, VXATTR_FLAG_DIRSTAT),
+ XATTR_NAME_CEPH(dir, subdirs, VXATTR_FLAG_DIRSTAT),
XATTR_RSTAT_FIELD(dir, rentries),
XATTR_RSTAT_FIELD(dir, rfiles),
XATTR_RSTAT_FIELD(dir, rsubdirs),
@@ -837,6 +838,8 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
int mask = 0;
if (vxattr->flags & VXATTR_FLAG_RSTAT)
mask |= CEPH_STAT_RSTAT;
+ if (vxattr->flags & VXATTR_FLAG_DIRSTAT)
+ mask |= CEPH_CAP_FILE_SHARED;
err = ceph_do_getattr(inode, mask, true);
if (err)
return err;