Message type for VFS_UMOUNT
Change-Id: Ia3b8e818b45a31178215cad77fa0fa3e5325f18a
This commit is contained in:
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ecc9010c4b
commit
a16ccbaaf8
4 changed files with 19 additions and 14 deletions
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@ -232,12 +232,6 @@
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#define NR_VFS_CALLS 49 /* highest number from base plus one */
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#define NR_VFS_CALLS 49 /* highest number from base plus one */
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/* Field names for the umount(2) call. */
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#define VFS_UMOUNT_NAME m1_p1 /* char * */
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#define VFS_UMOUNT_NAMELEN m1_i1 /* size_t */
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#define VFS_UMOUNT_LABEL m1_p2 /* char * */
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#define VFS_UMOUNT_LABELLEN m1_i2 /* size_t */
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/* Field names for the ioctl(2) call. */
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/* Field names for the ioctl(2) call. */
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#define VFS_IOCTL_FD m2_i1 /* int */
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#define VFS_IOCTL_FD m2_i1 /* int */
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#define VFS_IOCTL_REQ m2_i3 /* unsigned long */
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#define VFS_IOCTL_REQ m2_i3 /* unsigned long */
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@ -192,6 +192,16 @@ typedef struct {
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} mess_lc_vfs_statvfs1;
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} mess_lc_vfs_statvfs1;
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_ASSERT_MSG_SIZE(mess_lc_vfs_statvfs1);
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_ASSERT_MSG_SIZE(mess_lc_vfs_statvfs1);
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typedef struct {
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vir_bytes name;
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size_t namelen;
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vir_bytes label;
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size_t labellen;
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uint8_t padding[40];
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} mess_lc_vfs_umount;
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_ASSERT_MSG_SIZE(mess_lc_vfs_umount);
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typedef struct {
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typedef struct {
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dev_t device;
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dev_t device;
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off_t seek_pos;
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off_t seek_pos;
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@ -647,6 +657,7 @@ typedef struct {
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mess_lc_vfs_mount m_lc_vfs_mount;
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mess_lc_vfs_mount m_lc_vfs_mount;
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mess_lc_vfs_select m_lc_vfs_select;
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mess_lc_vfs_select m_lc_vfs_select;
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mess_lc_vfs_statvfs1 m_lc_vfs_statvfs1;
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mess_lc_vfs_statvfs1 m_lc_vfs_statvfs1;
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mess_lc_vfs_umount m_lc_vfs_umount;
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mess_vfs_fs_breadwrite m_vfs_fs_breadwrite;
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mess_vfs_fs_breadwrite m_vfs_fs_breadwrite;
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mess_vfs_fs_chmod m_vfs_fs_chmod;
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mess_vfs_fs_chmod m_vfs_fs_chmod;
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@ -172,10 +172,10 @@ int minix_umount(const char *name, int srvflags)
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int r;
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int r;
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memset(&m, 0, sizeof(m));
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memset(&m, 0, sizeof(m));
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m.VFS_UMOUNT_NAME = __UNCONST(name);
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m.m_lc_vfs_umount.name = (vir_bytes)name;
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m.VFS_UMOUNT_NAMELEN = strlen(name) + 1;
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m.m_lc_vfs_umount.namelen = strlen(name) + 1;
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m.VFS_UMOUNT_LABEL = label;
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m.m_lc_vfs_umount.label = (vir_bytes)label;
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m.VFS_UMOUNT_LABELLEN = sizeof(label);
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m.m_lc_vfs_umount.labellen = sizeof(label);
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r = _syscall(VFS_PROC_NR, VFS_UMOUNT, &m);
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r = _syscall(VFS_PROC_NR, VFS_UMOUNT, &m);
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/* don't shut down the driver when exist flag is set */
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/* don't shut down the driver when exist flag is set */
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@ -425,10 +425,10 @@ int do_umount(void)
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vir_bytes vname, label_addr;
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vir_bytes vname, label_addr;
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size_t vname_length, label_len;
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size_t vname_length, label_len;
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vname = (vir_bytes) job_m_in.VFS_UMOUNT_NAME;
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vname = job_m_in.m_lc_vfs_umount.name;
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vname_length = (size_t) job_m_in.VFS_UMOUNT_NAMELEN;
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vname_length = job_m_in.m_lc_vfs_umount.namelen;
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label_addr = (vir_bytes) job_m_in.VFS_UMOUNT_LABEL;
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label_addr = job_m_in.m_lc_vfs_umount.label;
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label_len = (size_t) job_m_in.VFS_UMOUNT_LABELLEN;
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label_len = job_m_in.m_lc_vfs_umount.labellen;
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/* Only the super-user may do umount. */
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/* Only the super-user may do umount. */
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if (!super_user) return(EPERM);
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if (!super_user) return(EPERM);
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