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ceph: rename struct ceph_acls_info to ceph_acl_sec_ctx 

Also rename ceph_release_acls_info() to ceph_release_acl_sec_ctx().
And move their definitions to different files. This is preparation
for security label support.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
alistair/sunxi64-5.4-dsi
Yan, Zheng 2019-05-26 15:35:39 +08:00 committed by Ilya Dryomov
parent 057297812d
commit 5c31e92dff
5 changed files with 55 additions and 52 deletions
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22
fs/ceph/acl.c
View File

@ -159,7 +159,7 @@ out:
}
int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
struct ceph_acls_info *info)
struct ceph_acl_sec_ctx *as_ctx)
{
struct posix_acl *acl, *default_acl;
size_t val_size1 = 0, val_size2 = 0;
@ -234,9 +234,9 @@ int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
kfree(tmp_buf);
info->acl = acl;
info->default_acl = default_acl;
info->pagelist = pagelist;
as_ctx->acl = acl;
as_ctx->default_acl = default_acl;
as_ctx->pagelist = pagelist;
return 0;
out_err:
@ -248,18 +248,10 @@ out_err:
return err;
}
void ceph_init_inode_acls(struct inode* inode, struct ceph_acls_info *info)
void ceph_init_inode_acls(struct inode *inode, struct ceph_acl_sec_ctx *as_ctx)
{
if (!inode)
return;
ceph_set_cached_acl(inode, ACL_TYPE_ACCESS, info->acl);
ceph_set_cached_acl(inode, ACL_TYPE_DEFAULT, info->default_acl);
}
void ceph_release_acls_info(struct ceph_acls_info *info)
{
posix_acl_release(info->acl);
posix_acl_release(info->default_acl);
if (info->pagelist)
ceph_pagelist_release(info->pagelist);
ceph_set_cached_acl(inode, ACL_TYPE_ACCESS, as_ctx->acl);
ceph_set_cached_acl(inode, ACL_TYPE_DEFAULT, as_ctx->default_acl);
}

28
fs/ceph/dir.c
View File

@ -825,7 +825,7 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry,
struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct ceph_acls_info acls = {};
struct ceph_acl_sec_ctx as_ctx = {};
int err;
if (ceph_snap(dir) != CEPH_NOSNAP)
@ -836,7 +836,7 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry,
goto out;
}
err = ceph_pre_init_acls(dir, &mode, &acls);
err = ceph_pre_init_acls(dir, &mode, &as_ctx);
if (err < 0)
goto out;
@ -855,9 +855,9 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry,
req->r_args.mknod.rdev = cpu_to_le32(rdev);
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;
acls.pagelist = NULL;
if (as_ctx.pagelist) {
req->r_pagelist = as_ctx.pagelist;
as_ctx.pagelist = NULL;
}
err = ceph_mdsc_do_request(mdsc, dir, req);
if (!err && !req->r_reply_info.head->is_dentry)
@ -865,10 +865,10 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry,
ceph_mdsc_put_request(req);
out:
if (!err)
ceph_init_inode_acls(d_inode(dentry), &acls);
ceph_init_inode_acls(d_inode(dentry), &as_ctx);
else
d_drop(dentry);
ceph_release_acls_info(&acls);
ceph_release_acl_sec_ctx(&as_ctx);
return err;
}
@ -927,7 +927,7 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct ceph_acls_info acls = {};
struct ceph_acl_sec_ctx as_ctx = {};
int err = -EROFS;
int op;
@ -950,7 +950,7 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
}
mode |= S_IFDIR;
err = ceph_pre_init_acls(dir, &mode, &acls);
err = ceph_pre_init_acls(dir, &mode, &as_ctx);
if (err < 0)
goto out;
@ -967,9 +967,9 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
req->r_args.mkdir.mode = cpu_to_le32(mode);
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;
acls.pagelist = NULL;
if (as_ctx.pagelist) {
req->r_pagelist = as_ctx.pagelist;
as_ctx.pagelist = NULL;
}
err = ceph_mdsc_do_request(mdsc, dir, req);
if (!err &&
@ -979,10 +979,10 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
ceph_mdsc_put_request(req);
out:
if (!err)
ceph_init_inode_acls(d_inode(dentry), &acls);
ceph_init_inode_acls(d_inode(dentry), &as_ctx);
else
d_drop(dentry);
ceph_release_acls_info(&acls);
ceph_release_acl_sec_ctx(&as_ctx);
return err;
}

18
fs/ceph/file.c
View File

@ -437,7 +437,7 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct dentry *dn;
struct ceph_acls_info acls = {};
struct ceph_acl_sec_ctx as_ctx = {};
int mask;
int err;
@ -451,7 +451,7 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
if (flags & O_CREAT) {
if (ceph_quota_is_max_files_exceeded(dir))
return -EDQUOT;
err = ceph_pre_init_acls(dir, &mode, &acls);
err = ceph_pre_init_acls(dir, &mode, &as_ctx);
if (err < 0)
return err;
}
@ -460,16 +460,16 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
req = prepare_open_request(dir->i_sb, flags, mode);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto out_acl;
goto out_ctx;
}
req->r_dentry = dget(dentry);
req->r_num_caps = 2;
if (flags & O_CREAT) {
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;
acls.pagelist = NULL;
if (as_ctx.pagelist) {
req->r_pagelist = as_ctx.pagelist;
as_ctx.pagelist = NULL;
}
}
@ -507,7 +507,7 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
} else {
dout("atomic_open finish_open on dn %p\n", dn);
if (req->r_op == CEPH_MDS_OP_CREATE && req->r_reply_info.has_create_ino) {
ceph_init_inode_acls(d_inode(dentry), &acls);
ceph_init_inode_acls(d_inode(dentry), &as_ctx);
file->f_mode |= FMODE_CREATED;
}
err = finish_open(file, dentry, ceph_open);
@ -516,8 +516,8 @@ out_req:
if (!req->r_err && req->r_target_inode)
ceph_put_fmode(ceph_inode(req->r_target_inode), req->r_fmode);
ceph_mdsc_put_request(req);
out_acl:
ceph_release_acls_info(&acls);
out_ctx:
ceph_release_acl_sec_ctx(&as_ctx);
dout("atomic_open result=%d\n", err);
return err;
}

29
fs/ceph/super.h
View File

@ -929,6 +929,14 @@ extern void __ceph_build_xattrs_blob(struct ceph_inode_info *ci);
extern void __ceph_destroy_xattrs(struct ceph_inode_info *ci);
extern const struct xattr_handler *ceph_xattr_handlers[];
struct ceph_acl_sec_ctx {
#ifdef CONFIG_CEPH_FS_POSIX_ACL
void *default_acl;
void *acl;
#endif
struct ceph_pagelist *pagelist;
};
#ifdef CONFIG_SECURITY
extern bool ceph_security_xattr_deadlock(struct inode *in);
extern bool ceph_security_xattr_wanted(struct inode *in);
@ -943,21 +951,17 @@ static inline bool ceph_security_xattr_wanted(struct inode *in)
}
#endif
/* acl.c */
struct ceph_acls_info {
void *default_acl;
void *acl;
struct ceph_pagelist *pagelist;
};
void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx);
/* acl.c */
#ifdef CONFIG_CEPH_FS_POSIX_ACL
struct posix_acl *ceph_get_acl(struct inode *, int);
int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type);
int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
struct ceph_acls_info *info);
void ceph_init_inode_acls(struct inode *inode, struct ceph_acls_info *info);
void ceph_release_acls_info(struct ceph_acls_info *info);
struct ceph_acl_sec_ctx *as_ctx);
void ceph_init_inode_acls(struct inode *inode,
struct ceph_acl_sec_ctx *as_ctx);
static inline void ceph_forget_all_cached_acls(struct inode *inode)
{
@ -970,15 +974,12 @@ static inline void ceph_forget_all_cached_acls(struct inode *inode)
#define ceph_set_acl NULL
static inline int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
struct ceph_acls_info *info)
struct ceph_acl_sec_ctx *as_ctx)
{
return 0;
}
static inline void ceph_init_inode_acls(struct inode *inode,
struct ceph_acls_info *info)
{
}
static inline void ceph_release_acls_info(struct ceph_acls_info *info)
struct ceph_acl_sec_ctx *as_ctx)
{
}
static inline int ceph_acl_chmod(struct dentry *dentry, struct inode *inode)

10
fs/ceph/xattr.c
View File

@ -1197,3 +1197,13 @@ bool ceph_security_xattr_deadlock(struct inode *in)
return ret;
}
#endif
void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx)
{
#ifdef CONFIG_CEPH_FS_POSIX_ACL
posix_acl_release(as_ctx->acl);
posix_acl_release(as_ctx->default_acl);
#endif
if (as_ctx->pagelist)
ceph_pagelist_release(as_ctx->pagelist);
}