Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-06 13:16:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

NFS: Trace effects of readdirplus on the dcache

Browse Source 
Trace the effects of readdirplus on attribute and dentry revalidation.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2022-02-19 19:19:35 -05:00
parent 310e318745
commit eace45a18c
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/nfs/dir.c
View File

@ -754,8 +754,12 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry,
status = nfs_refresh_inode(d_inode(dentry), entry->fattr);
if (!status)
nfs_setsecurity(d_inode(dentry), entry->fattr);
trace_nfs_readdir_lookup_revalidate(d_inode(parent),
dentry, 0, status);
goto out;
} else {
trace_nfs_readdir_lookup_revalidate_failed(
d_inode(parent), dentry, 0);
d_invalidate(dentry);
dput(dentry);
dentry = NULL;
@ -777,6 +781,7 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry,
dentry = alias;
}
nfs_set_verifier(dentry, dir_verifier);
trace_nfs_readdir_lookup(d_inode(parent), dentry, 0);
out:
dput(dentry);
}

3
fs/nfs/nfstrace.h
View File

@ -432,6 +432,9 @@ DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter);
DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);
DEFINE_NFS_LOOKUP_EVENT(nfs_readdir_lookup);
DEFINE_NFS_LOOKUP_EVENT(nfs_readdir_lookup_revalidate_failed);
DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_readdir_lookup_revalidate);
TRACE_EVENT(nfs_atomic_open_enter,
TP_PROTO(