xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ceph: add caps perf metric for each superblock

Browse Source 
Count hits and misses in the caps cache. If the client has all of
the necessary caps when a task needs references, then it's counted
as a hit. Any other situation is a miss.

URL: https://tracker.ceph.com/issues/43215
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Xiubo Li
2020-03-19 23:45:00 -04:00
committed by Ilya Dryomov
parent f9009efac4
commit 1af16d547f
9 changed files with 83 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/ceph/inode.c
View File

@@ -2288,8 +2288,8 @@ int __ceph_do_getattr(struct inode *inode, struct page *locked_page,
dout("do_getattr inode %p mask %s mode 0%o\n",
inode, ceph_cap_string(mask), inode->i_mode);
if (!force && ceph_caps_issued_mask(ceph_inode(inode), mask, 1))
return 0;
if (!force && ceph_caps_issued_mask_metric(ceph_inode(inode), mask, 1))
return 0;
mode = (mask & CEPH_STAT_RSTAT) ? USE_AUTH_MDS : USE_ANY_MDS;
req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, mode);