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staging: lustre: llite: add support set_acl method in inode operations

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Linux kernel v3.14 adds set_acl method to inode operations.
This patch adds support to Lustre for proper acl management.

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-9183
Reviewed-on: https://review.whamcloud.com/25965
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10541
Reviewed-on: https://review.whamcloud.com/31588
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10926
Reviewed-on: https://review.whamcloud.com/32045
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Eremin
2018-05-29 10:21:41 -04:00
committed by Greg Kroah-Hartman
parent 409389254f
commit bf3d126206
2 changed files with 59 additions and 0 deletions
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57
drivers/staging/lustre/lustre/llite/acl.c
View File

@@ -49,3 +49,60 @@ struct posix_acl *ll_get_acl(struct inode *inode, int type)
return acl;
}
int ll_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ptlrpc_request *req = NULL;
const char *name = NULL;
size_t value_size = 0;
char *value = NULL;
int rc = 0;
switch (type) {
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;
if (acl)
rc = posix_acl_update_mode(inode, &inode->i_mode, &acl);
break;
case ACL_TYPE_DEFAULT:
name = XATTR_NAME_POSIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
rc = acl ? -EACCES : 0;
break;
default:
rc = -EINVAL;
break;
}
if (rc)
return rc;
if (acl) {
value_size = posix_acl_xattr_size(acl->a_count);
value = kmalloc(value_size, GFP_NOFS);
if (!value) {
rc = -ENOMEM;
goto out;
}
rc = posix_acl_to_xattr(&init_user_ns, acl, value, value_size);
if (rc < 0)
goto out_value;
}
rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode),
value ? OBD_MD_FLXATTR : OBD_MD_FLXATTRRM,
name, value, value_size, 0, 0, 0, &req);
ptlrpc_req_finished(req);
out_value:
kfree(value);
out:
if (rc)
forget_cached_acl(inode, type);
else
set_cached_acl(inode, type, acl);
return rc;
}

2
drivers/staging/lustre/lustre/llite/llite_internal.h
View File

@@ -756,8 +756,10 @@ int ll_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *ll_get_acl(struct inode *inode, int type);
int ll_set_acl(struct inode *inode, struct posix_acl *acl, int type);
#else
#define ll_get_acl NULL
#define ll_set_acl NULL
#endif /* CONFIG_FS_POSIX_ACL */
int ll_migrate(struct inode *parent, struct file *file, int mdtidx,