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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2010-09-27 22:57:40 +0400 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2010-10-28 18:08:46 +0400 |
| commit | ad77dbce567128d59b37a14c9562c8af6f63aeca (patch) | |
| tree | b178b4766e568013c3f58446aca27b1771a3694b /fs/9p/acl.c | |
| parent | 6e8dc55550273084b7fb5846df2f44439f5d03d9 (diff) | |
| download | linux-ad77dbce567128d59b37a14c9562c8af6f63aeca.tar.xz | |
fs/9p: Implement create time inheritance
Inherit default ACL on create
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p/acl.c')
| -rw-r--r-- | fs/9p/acl.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/fs/9p/acl.c b/fs/9p/acl.c index 8f2acde74c05..8b3c54a4958c 100644 --- a/fs/9p/acl.c +++ b/fs/9p/acl.c @@ -152,6 +152,58 @@ int v9fs_acl_chmod(struct dentry *dentry) return retval; } +int v9fs_set_create_acl(struct dentry *dentry, + struct posix_acl *dpacl, struct posix_acl *pacl) +{ + if (dpacl) + v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, dpacl); + if (pacl) + v9fs_set_acl(dentry, ACL_TYPE_ACCESS, pacl); + posix_acl_release(dpacl); + posix_acl_release(pacl); + return 0; +} + +int v9fs_acl_mode(struct inode *dir, mode_t *modep, + struct posix_acl **dpacl, struct posix_acl **pacl) +{ + int retval = 0; + mode_t mode = *modep; + struct posix_acl *acl = NULL; + + if (!S_ISLNK(mode)) { + acl = v9fs_get_cached_acl(dir, ACL_TYPE_DEFAULT); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (!acl) + mode &= ~current_umask(); + } + if (acl) { + struct posix_acl *clone; + + if (S_ISDIR(mode)) + *dpacl = acl; + clone = posix_acl_clone(acl, GFP_NOFS); + retval = -ENOMEM; + if (!clone) + goto cleanup; + + retval = posix_acl_create_masq(clone, &mode); + if (retval < 0) { + posix_acl_release(clone); + goto cleanup; + } + if (retval > 0) + *pacl = clone; + } + *modep = mode; + return 0; +cleanup: + posix_acl_release(acl); + return retval; + +} + static int v9fs_xattr_get_acl(struct dentry *dentry, const char *name, void *buffer, size_t size, int type) { |