diff options
| author | Yan, Zheng <zyan@redhat.com> | 2017-11-23 11:22:06 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2018-01-29 18:36:05 +0100 |
| commit | be70489eff41a84f26b1d772b595cc043e0edeb6 (patch) | |
| tree | 51c503db606a2c427138b6a8431d559b38a32ae4 /fs/ceph | |
| parent | ceph: voluntarily drop Lx cap for link/rename requests (diff) | |
| download | linux-be70489eff41a84f26b1d772b595cc043e0edeb6.tar.xz linux-be70489eff41a84f26b1d772b595cc043e0edeb6.zip | |
ceph: properly drop caps for setattr request
For CEPH_SETATTR_ATIME, MDS needs to xlock filelock, Fsxrw caps
are not allowed for xlocked filelock.
For CEPH_SETATTR_SIZE request that truncates file to smaller size,
MDS needs to xlock filelock, Fsxrw caps are not allowed for xlocked
filelock.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/inode.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index ab81652198c4..666ad10e2b85 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2000,8 +2000,8 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) ceph_encode_timespec(&req->r_args.setattr.atime, &attr->ia_atime); mask |= CEPH_SETATTR_ATIME; - release |= CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_RD | - CEPH_CAP_FILE_WR; + release |= CEPH_CAP_FILE_SHARED | + CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR; } } if (ia_valid & ATTR_MTIME) { @@ -2022,8 +2022,8 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) ceph_encode_timespec(&req->r_args.setattr.mtime, &attr->ia_mtime); mask |= CEPH_SETATTR_MTIME; - release |= CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_RD | - CEPH_CAP_FILE_WR; + release |= CEPH_CAP_FILE_SHARED | + CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR; } } if (ia_valid & ATTR_SIZE) { @@ -2041,8 +2041,8 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) req->r_args.setattr.old_size = cpu_to_le64(inode->i_size); mask |= CEPH_SETATTR_SIZE; - release |= CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_RD | - CEPH_CAP_FILE_WR; + release |= CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_EXCL | + CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR; } } |