diff options
| author |   Yan, Zheng <zyan@redhat.com> | 2017-11-23 17:47:15 +0800 |
|---|---|---|
| committer |   Ilya Dryomov <idryomov@gmail.com> | 2018-01-29 18:36:04 +0100 |
| commit | 222b7f90ba3825728fd27e9105aeee7af9576819 (patch) | |
| tree | 8cbfe764c0bfd8bbdbcf399d75c4c24aac9d4b89 /fs/ceph/dir.c | |
| parent | rbd: whitelist RBD_FEATURE_OPERATIONS feature bit (diff) | |
| download | linux-dev-222b7f90ba3825728fd27e9105aeee7af9576819.tar.xz linux-dev-222b7f90ba3825728fd27e9105aeee7af9576819.zip | |
ceph: voluntarily drop Ax cap for requests that create new inode
MDS need to rdlock directory inode's authlock when handling these
requests. Voluntarily dropping CEPH_CAP_AUTH_EXCL avoids a cap revoke
message.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/dir.c')
| -rw-r--r-- | fs/ceph/dir.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 8a5266699b67..3a60d113aa4e 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -835,7 +835,7 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags); req->r_args.mknod.mode = cpu_to_le32(mode); req->r_args.mknod.rdev = cpu_to_le32(rdev); - req->r_dentry_drop = CEPH_CAP_FILE_SHARED; + req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL; req->r_dentry_unless = CEPH_CAP_FILE_EXCL; if (acls.pagelist) { req->r_pagelist = acls.pagelist; @@ -887,7 +887,7 @@ static int ceph_symlink(struct inode *dir, struct dentry *dentry, set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags); req->r_dentry = dget(dentry); req->r_num_caps = 2; - req->r_dentry_drop = CEPH_CAP_FILE_SHARED; + req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL; req->r_dentry_unless = CEPH_CAP_FILE_EXCL; err = ceph_mdsc_do_request(mdsc, dir, req); if (!err && !req->r_reply_info.head->is_dentry) @@ -936,7 +936,7 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) req->r_parent = dir; set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags); req->r_args.mkdir.mode = cpu_to_le32(mode); - req->r_dentry_drop = CEPH_CAP_FILE_SHARED; + req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL; req->r_dentry_unless = CEPH_CAP_FILE_EXCL; if (acls.pagelist) { req->r_pagelist = acls.pagelist; |