GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-05 06:08:22 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

NFSv4: Ensure that we set the verifier when revalidating delegated dentries

Browse source 
This ensures that we don't have to look up the dentry again after we return
the delegation if we know that the directory didn't change.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2008-12-23 15:21:54 -05:00
parent 5584c30630
commit 15860ab1d7
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
fs/nfs/dir.c
View file

@ -799,6 +799,9 @@ static int nfs_lookup_revalidate(struct dentry * dentry, struct nameidata *nd)
goto out_bad;
}
if (nfs_have_delegation(inode, FMODE_READ))
goto out_set_verifier;
/* Force a full look up iff the parent directory has changed */
if (!nfs_is_exclusive_create(dir, nd) && nfs_check_verifier(dir, dentry)) {
if (nfs_lookup_verify_inode(inode, nd))
@ -817,6 +820,7 @@ static int nfs_lookup_revalidate(struct dentry * dentry, struct nameidata *nd)
if ((error = nfs_refresh_inode(inode, &fattr)) != 0)
goto out_bad;
out_set_verifier:
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
out_valid:
dput(parent);
@ -1084,8 +1088,6 @@ out:
no_open_dput:
dput(parent);
no_open:
if (inode != NULL && nfs_have_delegation(inode, FMODE_READ))
return 1;
return nfs_lookup_revalidate(dentry, nd);
}
#endif /* CONFIG_NFSV4 */