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| author | Yan, Zheng <zyan@redhat.com> | 2019-05-23 04:45:24 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2019-07-08 14:01:42 +0200 |
| commit | 8f2a98ef3c1adf815ce38d5cc2f4e2a8759e98c5 (patch) | |
| tree | 3503675c14c828cd02b30c399a3399405dd333d0 /fs/ceph/dir.c | |
| parent | ceph: use READ_ONCE to access d_parent in RCU critical section (diff) | |
| download | linux-8f2a98ef3c1adf815ce38d5cc2f4e2a8759e98c5.tar.xz linux-8f2a98ef3c1adf815ce38d5cc2f4e2a8759e98c5.zip | |
ceph: ensure d_name/d_parent stability in ceph_mdsc_lease_send_msg()
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/dir.c')
| -rw-r--r-- | fs/ceph/dir.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 1271024a3797..72efad28857c 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1433,8 +1433,7 @@ static bool __dentry_lease_is_valid(struct ceph_dentry_info *di) return false; } -static int dentry_lease_is_valid(struct dentry *dentry, unsigned int flags, - struct inode *dir) +static int dentry_lease_is_valid(struct dentry *dentry, unsigned int flags) { struct ceph_dentry_info *di; struct ceph_mds_session *session = NULL; @@ -1466,7 +1465,7 @@ static int dentry_lease_is_valid(struct dentry *dentry, unsigned int flags, spin_unlock(&dentry->d_lock); if (session) { - ceph_mdsc_lease_send_msg(session, dir, dentry, + ceph_mdsc_lease_send_msg(session, dentry, CEPH_MDS_LEASE_RENEW, seq); ceph_put_mds_session(session); } @@ -1566,7 +1565,7 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) ceph_snap(d_inode(dentry)) == CEPH_SNAPDIR) { valid = 1; } else { - valid = dentry_lease_is_valid(dentry, flags, dir); + valid = dentry_lease_is_valid(dentry, flags); if (valid == -ECHILD) return valid; if (valid || dir_lease_is_valid(dir, dentry)) { |