mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-14 04:41:26 +00:00
[XFS] The forward declarations for the xfs_ioctl() helpers and the
associated comment about gcc behavior really aren't needed; all of these functions are marked STATIC which includes noinline, and the stack usage won't be a problem. This effectively just removes the forward declarations and moves xfs_ioctl() back to the end of the file. SGI-PV: 971186 SGI-Modid: xfs-linux-melb:xfs-kern:30534a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Lachlan McIlroy
parent
f6e9f28865
commit
3b2816be27
@ -651,314 +651,6 @@ xfs_attrmulti_by_handle(
|
||||
return -error;
|
||||
}
|
||||
|
||||
/* prototypes for a few of the stack-hungry cases that have
|
||||
* their own functions. Functions are defined after their use
|
||||
* so gcc doesn't get fancy and inline them with -03 */
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_space(
|
||||
struct xfs_inode *ip,
|
||||
struct inode *inode,
|
||||
struct file *filp,
|
||||
int flags,
|
||||
unsigned int cmd,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_bulkstat(
|
||||
xfs_mount_t *mp,
|
||||
unsigned int cmd,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_fsgeometry_v1(
|
||||
xfs_mount_t *mp,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_fsgeometry(
|
||||
xfs_mount_t *mp,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_xattr(
|
||||
xfs_inode_t *ip,
|
||||
struct file *filp,
|
||||
unsigned int cmd,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_fsgetxattr(
|
||||
xfs_inode_t *ip,
|
||||
int attr,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_getbmap(
|
||||
struct xfs_inode *ip,
|
||||
int flags,
|
||||
unsigned int cmd,
|
||||
void __user *arg);
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_getbmapx(
|
||||
struct xfs_inode *ip,
|
||||
void __user *arg);
|
||||
|
||||
int
|
||||
xfs_ioctl(
|
||||
xfs_inode_t *ip,
|
||||
struct file *filp,
|
||||
int ioflags,
|
||||
unsigned int cmd,
|
||||
void __user *arg)
|
||||
{
|
||||
struct inode *inode = filp->f_path.dentry->d_inode;
|
||||
xfs_mount_t *mp = ip->i_mount;
|
||||
int error;
|
||||
|
||||
xfs_itrace_entry(XFS_I(inode));
|
||||
switch (cmd) {
|
||||
|
||||
case XFS_IOC_ALLOCSP:
|
||||
case XFS_IOC_FREESP:
|
||||
case XFS_IOC_RESVSP:
|
||||
case XFS_IOC_UNRESVSP:
|
||||
case XFS_IOC_ALLOCSP64:
|
||||
case XFS_IOC_FREESP64:
|
||||
case XFS_IOC_RESVSP64:
|
||||
case XFS_IOC_UNRESVSP64:
|
||||
/*
|
||||
* Only allow the sys admin to reserve space unless
|
||||
* unwritten extents are enabled.
|
||||
*/
|
||||
if (!xfs_sb_version_hasextflgbit(&mp->m_sb) &&
|
||||
!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
return xfs_ioc_space(ip, inode, filp, ioflags, cmd, arg);
|
||||
|
||||
case XFS_IOC_DIOINFO: {
|
||||
struct dioattr da;
|
||||
xfs_buftarg_t *target =
|
||||
XFS_IS_REALTIME_INODE(ip) ?
|
||||
mp->m_rtdev_targp : mp->m_ddev_targp;
|
||||
|
||||
da.d_mem = da.d_miniosz = 1 << target->bt_sshift;
|
||||
da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1);
|
||||
|
||||
if (copy_to_user(arg, &da, sizeof(da)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
return 0;
|
||||
}
|
||||
|
||||
case XFS_IOC_FSBULKSTAT_SINGLE:
|
||||
case XFS_IOC_FSBULKSTAT:
|
||||
case XFS_IOC_FSINUMBERS:
|
||||
return xfs_ioc_bulkstat(mp, cmd, arg);
|
||||
|
||||
case XFS_IOC_FSGEOMETRY_V1:
|
||||
return xfs_ioc_fsgeometry_v1(mp, arg);
|
||||
|
||||
case XFS_IOC_FSGEOMETRY:
|
||||
return xfs_ioc_fsgeometry(mp, arg);
|
||||
|
||||
case XFS_IOC_GETVERSION:
|
||||
return put_user(inode->i_generation, (int __user *)arg);
|
||||
|
||||
case XFS_IOC_FSGETXATTR:
|
||||
return xfs_ioc_fsgetxattr(ip, 0, arg);
|
||||
case XFS_IOC_FSGETXATTRA:
|
||||
return xfs_ioc_fsgetxattr(ip, 1, arg);
|
||||
case XFS_IOC_GETXFLAGS:
|
||||
case XFS_IOC_SETXFLAGS:
|
||||
case XFS_IOC_FSSETXATTR:
|
||||
return xfs_ioc_xattr(ip, filp, cmd, arg);
|
||||
|
||||
case XFS_IOC_FSSETDM: {
|
||||
struct fsdmidata dmi;
|
||||
|
||||
if (copy_from_user(&dmi, arg, sizeof(dmi)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
error = xfs_set_dmattrs(ip, dmi.fsd_dmevmask,
|
||||
dmi.fsd_dmstate);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_GETBMAP:
|
||||
case XFS_IOC_GETBMAPA:
|
||||
return xfs_ioc_getbmap(ip, ioflags, cmd, arg);
|
||||
|
||||
case XFS_IOC_GETBMAPX:
|
||||
return xfs_ioc_getbmapx(ip, arg);
|
||||
|
||||
case XFS_IOC_FD_TO_HANDLE:
|
||||
case XFS_IOC_PATH_TO_HANDLE:
|
||||
case XFS_IOC_PATH_TO_FSHANDLE:
|
||||
return xfs_find_handle(cmd, arg);
|
||||
|
||||
case XFS_IOC_OPEN_BY_HANDLE:
|
||||
return xfs_open_by_handle(mp, arg, filp, inode);
|
||||
|
||||
case XFS_IOC_FSSETDM_BY_HANDLE:
|
||||
return xfs_fssetdm_by_handle(mp, arg, inode);
|
||||
|
||||
case XFS_IOC_READLINK_BY_HANDLE:
|
||||
return xfs_readlink_by_handle(mp, arg, inode);
|
||||
|
||||
case XFS_IOC_ATTRLIST_BY_HANDLE:
|
||||
return xfs_attrlist_by_handle(mp, arg, inode);
|
||||
|
||||
case XFS_IOC_ATTRMULTI_BY_HANDLE:
|
||||
return xfs_attrmulti_by_handle(mp, arg, inode);
|
||||
|
||||
case XFS_IOC_SWAPEXT: {
|
||||
error = xfs_swapext((struct xfs_swapext __user *)arg);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_FSCOUNTS: {
|
||||
xfs_fsop_counts_t out;
|
||||
|
||||
error = xfs_fs_counts(mp, &out);
|
||||
if (error)
|
||||
return -error;
|
||||
|
||||
if (copy_to_user(arg, &out, sizeof(out)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
return 0;
|
||||
}
|
||||
|
||||
case XFS_IOC_SET_RESBLKS: {
|
||||
xfs_fsop_resblks_t inout;
|
||||
__uint64_t in;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (copy_from_user(&inout, arg, sizeof(inout)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
/* input parameter is passed in resblks field of structure */
|
||||
in = inout.resblks;
|
||||
error = xfs_reserve_blocks(mp, &in, &inout);
|
||||
if (error)
|
||||
return -error;
|
||||
|
||||
if (copy_to_user(arg, &inout, sizeof(inout)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
return 0;
|
||||
}
|
||||
|
||||
case XFS_IOC_GET_RESBLKS: {
|
||||
xfs_fsop_resblks_t out;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
error = xfs_reserve_blocks(mp, NULL, &out);
|
||||
if (error)
|
||||
return -error;
|
||||
|
||||
if (copy_to_user(arg, &out, sizeof(out)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
case XFS_IOC_FSGROWFSDATA: {
|
||||
xfs_growfs_data_t in;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (copy_from_user(&in, arg, sizeof(in)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
error = xfs_growfs_data(mp, &in);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_FSGROWFSLOG: {
|
||||
xfs_growfs_log_t in;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (copy_from_user(&in, arg, sizeof(in)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
error = xfs_growfs_log(mp, &in);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_FSGROWFSRT: {
|
||||
xfs_growfs_rt_t in;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (copy_from_user(&in, arg, sizeof(in)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
error = xfs_growfs_rt(mp, &in);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_FREEZE:
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (inode->i_sb->s_frozen == SB_UNFROZEN)
|
||||
freeze_bdev(inode->i_sb->s_bdev);
|
||||
return 0;
|
||||
|
||||
case XFS_IOC_THAW:
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
if (inode->i_sb->s_frozen != SB_UNFROZEN)
|
||||
thaw_bdev(inode->i_sb->s_bdev, inode->i_sb);
|
||||
return 0;
|
||||
|
||||
case XFS_IOC_GOINGDOWN: {
|
||||
__uint32_t in;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (get_user(in, (__uint32_t __user *)arg))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
error = xfs_fs_goingdown(mp, in);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_ERROR_INJECTION: {
|
||||
xfs_error_injection_t in;
|
||||
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
if (copy_from_user(&in, arg, sizeof(in)))
|
||||
return -XFS_ERROR(EFAULT);
|
||||
|
||||
error = xfs_errortag_add(in.errtag, mp);
|
||||
return -error;
|
||||
}
|
||||
|
||||
case XFS_IOC_ERROR_CLEARALL:
|
||||
if (!capable(CAP_SYS_ADMIN))
|
||||
return -EPERM;
|
||||
|
||||
error = xfs_errortag_clearall(mp, 1);
|
||||
return -error;
|
||||
|
||||
default:
|
||||
return -ENOTTY;
|
||||
}
|
||||
}
|
||||
|
||||
STATIC int
|
||||
xfs_ioc_space(
|
||||
struct xfs_inode *ip,
|
||||
@ -1398,12 +1090,10 @@ xfs_ioctl(
|
||||
return xfs_ioc_fsgetxattr(ip, 0, arg);
|
||||
case XFS_IOC_FSGETXATTRA:
|
||||
return xfs_ioc_fsgetxattr(ip, 1, arg);
|
||||
case XFS_IOC_FSSETXATTR:
|
||||
return xfs_ioc_fssetxattr(ip, filp, arg);
|
||||
case XFS_IOC_GETXFLAGS:
|
||||
return xfs_ioc_getxflags(ip, arg);
|
||||
case XFS_IOC_SETXFLAGS:
|
||||
return xfs_ioc_setxflags(ip, filp, arg);
|
||||
case XFS_IOC_FSSETXATTR:
|
||||
return xfs_ioc_xattr(ip, filp, cmd, arg);
|
||||
|
||||
case XFS_IOC_FSSETDM: {
|
||||
struct fsdmidata dmi;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user