diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2012-10-01 17:50:56 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-11-07 19:31:31 -0500 |
| commit | ae7095a7c44b4cda963e3d4059788ff60e119684 (patch) | |
| tree | a4da75ea9fa82e7af2fd6a6735337243e1dacfd8 /fs | |
| parent | 3c40794b2dd0f355ef4e6bf8d85af5dcd7da7ece (diff) | |
nfsd4: helper function for getting mounted_on ino
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index fd548d155088..af65fda7685a 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2014,6 +2014,22 @@ static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) return 0; } + +static int get_parent_attributes(struct svc_export *exp, struct kstat *stat) +{ + struct path path = exp->ex_path; + int err; + + path_get(&path); + while (follow_up(&path)) { + if (path.dentry != path.mnt->mnt_root) + break; + } + err = vfs_getattr(path.mnt, path.dentry, stat); + path_put(&path); + return err; +} + /* * Note: @fhp can be NULL; in this case, we might have to compose the filehandle * ourselves. @@ -2430,18 +2446,8 @@ out_acl: * and this is the root of a cross-mounted filesystem. */ if (ignore_crossmnt == 0 && - dentry == exp->ex_path.mnt->mnt_root) { - struct path path = exp->ex_path; - path_get(&path); - while (follow_up(&path)) { - if (path.dentry != path.mnt->mnt_root) - break; - } - err = vfs_getattr(path.mnt, path.dentry, &stat); - path_put(&path); - if (err) - goto out_nfserr; - } + dentry == exp->ex_path.mnt->mnt_root) + get_parent_attributes(exp, &stat); WRITE64(stat.ino); } if (bmval2 & FATTR4_WORD2_SUPPATTR_EXCLCREAT) { |