aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl32.c140
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl32.h145
-rw-r--r--fs/xfs/xfs_fs.h4
3 files changed, 150 insertions, 139 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index 6ce9c9c7cdd..620bb2d6d26 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -48,36 +48,12 @@
#define _NATIVE_IOC(cmd, type) \
_IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))
-#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
-#define BROKEN_X86_ALIGNMENT
-#define _PACKED __attribute__((packed))
-/* on ia32 l_start is on a 32-bit boundary */
-typedef struct xfs_flock64_32 {
- __s16 l_type;
- __s16 l_whence;
- __s64 l_start __attribute__((packed));
- /* len == 0 means until end of file */
- __s64 l_len __attribute__((packed));
- __s32 l_sysid;
- __u32 l_pid;
- __s32 l_pad[4]; /* reserve area */
-} xfs_flock64_32_t;
-
-#define XFS_IOC_ALLOCSP_32 _IOW ('X', 10, struct xfs_flock64_32)
-#define XFS_IOC_FREESP_32 _IOW ('X', 11, struct xfs_flock64_32)
-#define XFS_IOC_ALLOCSP64_32 _IOW ('X', 36, struct xfs_flock64_32)
-#define XFS_IOC_FREESP64_32 _IOW ('X', 37, struct xfs_flock64_32)
-#define XFS_IOC_RESVSP_32 _IOW ('X', 40, struct xfs_flock64_32)
-#define XFS_IOC_UNRESVSP_32 _IOW ('X', 41, struct xfs_flock64_32)
-#define XFS_IOC_RESVSP64_32 _IOW ('X', 42, struct xfs_flock64_32)
-#define XFS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct xfs_flock64_32)
-
-/* just account for different alignment */
+#ifdef BROKEN_X86_ALIGNMENT
STATIC unsigned long
xfs_ioctl32_flock(
unsigned long arg)
{
- xfs_flock64_32_t __user *p32 = (void __user *)arg;
+ compat_xfs_flock64_t __user *p32 = (void __user *)arg;
xfs_flock64_t __user *p = compat_alloc_user_space(sizeof(*p));
if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
@@ -92,32 +68,6 @@ xfs_ioctl32_flock(
return (unsigned long)p;
}
-typedef struct compat_xfs_fsop_geom_v1 {
- __u32 blocksize; /* filesystem (data) block size */
- __u32 rtextsize; /* realtime extent size */
- __u32 agblocks; /* fsblocks in an AG */
- __u32 agcount; /* number of allocation groups */
- __u32 logblocks; /* fsblocks in the log */
- __u32 sectsize; /* (data) sector size, bytes */
- __u32 inodesize; /* inode size in bytes */
- __u32 imaxpct; /* max allowed inode space(%) */
- __u64 datablocks; /* fsblocks in data subvolume */
- __u64 rtblocks; /* fsblocks in realtime subvol */
- __u64 rtextents; /* rt extents in realtime subvol*/
- __u64 logstart; /* starting fsblock of the log */
- unsigned char uuid[16]; /* unique id of the filesystem */
- __u32 sunit; /* stripe unit, fsblocks */
- __u32 swidth; /* stripe width, fsblocks */
- __s32 version; /* structure version */
- __u32 flags; /* superblock version flags */
- __u32 logsectsize; /* log sector size, bytes */
- __u32 rtsectsize; /* realtime sector size, bytes */
- __u32 dirblocksize; /* directory block size, bytes */
-} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
-
-#define XFS_IOC_FSGEOMETRY_V1_32 \
- _IOR ('X', 100, struct compat_xfs_fsop_geom_v1)
-
STATIC unsigned long xfs_ioctl32_geom_v1(unsigned long arg)
{
compat_xfs_fsop_geom_v1_t __user *p32 = (void __user *)arg;
@@ -128,12 +78,6 @@ STATIC unsigned long xfs_ioctl32_geom_v1(unsigned long arg)
return (unsigned long)p;
}
-typedef struct compat_xfs_inogrp {
- __u64 xi_startino; /* starting inode number */
- __s32 xi_alloccount; /* # bits set in allocmask */
- __u64 xi_allocmask; /* mask of allocated inodes */
-} __attribute__((packed)) compat_xfs_inogrp_t;
-
STATIC int xfs_inumbers_fmt_compat(
void __user *ubuffer,
const xfs_inogrp_t *buffer,
@@ -154,19 +98,11 @@ STATIC int xfs_inumbers_fmt_compat(
}
#else
-
#define xfs_inumbers_fmt_compat xfs_inumbers_fmt
-#define _PACKED
-
#endif
/* XFS_IOC_FSBULKSTAT and friends */
-typedef struct compat_xfs_bstime {
- __s32 tv_sec; /* seconds */
- __s32 tv_nsec; /* and nanoseconds */
-} compat_xfs_bstime_t;
-
STATIC int xfs_bstime_store_compat(
compat_xfs_bstime_t __user *p32,
const xfs_bstime_t *p)
@@ -180,30 +116,6 @@ STATIC int xfs_bstime_store_compat(
return 0;
}
-typedef struct compat_xfs_bstat {
- __u64 bs_ino; /* inode number */
- __u16 bs_mode; /* type and mode */
- __u16 bs_nlink; /* number of links */
- __u32 bs_uid; /* user id */
- __u32 bs_gid; /* group id */
- __u32 bs_rdev; /* device value */
- __s32 bs_blksize; /* block size */
- __s64 bs_size; /* file size */
- compat_xfs_bstime_t bs_atime; /* access time */
- compat_xfs_bstime_t bs_mtime; /* modify time */
- compat_xfs_bstime_t bs_ctime; /* inode change time */
- int64_t bs_blocks; /* number of blocks */
- __u32 bs_xflags; /* extended flags */
- __s32 bs_extsize; /* extent size */
- __s32 bs_extents; /* number of extents */
- __u32 bs_gen; /* generation count */
- __u16 bs_projid; /* project id */
- unsigned char bs_pad[14]; /* pad space, unused */
- __u32 bs_dmevmask; /* DMIG event mask */
- __u16 bs_dmstate; /* DMIG state info */
- __u16 bs_aextents; /* attribute number of extents */
-} _PACKED compat_xfs_bstat_t;
-
STATIC int xfs_bulkstat_one_fmt_compat(
void __user *ubuffer,
const xfs_bstat_t *buffer)
@@ -234,22 +146,6 @@ STATIC int xfs_bulkstat_one_fmt_compat(
return sizeof(*p32);
}
-
-
-typedef struct compat_xfs_fsop_bulkreq {
- compat_uptr_t lastip; /* last inode # pointer */
- __s32 icount; /* count of entries in buffer */
- compat_uptr_t ubuffer; /* user buffer for inode desc. */
- compat_uptr_t ocount; /* output count pointer */
-} compat_xfs_fsop_bulkreq_t;
-
-#define XFS_IOC_FSBULKSTAT_32 \
- _IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
-#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
- _IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
-#define XFS_IOC_FSINUMBERS_32 \
- _IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
-
/* copied from xfs_ioctl.c */
STATIC int
xfs_ioc_bulkstat_compat(
@@ -320,29 +216,6 @@ xfs_ioc_bulkstat_compat(
return 0;
}
-
-
-typedef struct compat_xfs_fsop_handlereq {
- __u32 fd; /* fd for FD_TO_HANDLE */
- compat_uptr_t path; /* user pathname */
- __u32 oflags; /* open flags */
- compat_uptr_t ihandle; /* user supplied handle */
- __u32 ihandlen; /* user supplied length */
- compat_uptr_t ohandle; /* user buffer for handle */
- compat_uptr_t ohandlen; /* user buffer length */
-} compat_xfs_fsop_handlereq_t;
-
-#define XFS_IOC_PATH_TO_FSHANDLE_32 \
- _IOWR('X', 104, struct compat_xfs_fsop_handlereq)
-#define XFS_IOC_PATH_TO_HANDLE_32 \
- _IOWR('X', 105, struct compat_xfs_fsop_handlereq)
-#define XFS_IOC_FD_TO_HANDLE_32 \
- _IOWR('X', 106, struct compat_xfs_fsop_handlereq)
-#define XFS_IOC_OPEN_BY_HANDLE_32 \
- _IOWR('X', 107, struct compat_xfs_fsop_handlereq)
-#define XFS_IOC_READLINK_BY_HANDLE_32 \
- _IOWR('X', 108, struct compat_xfs_fsop_handlereq)
-
STATIC unsigned long xfs_ioctl32_fshandle(unsigned long arg)
{
compat_xfs_fsop_handlereq_t __user *p32 = (void __user *)arg;
@@ -365,7 +238,6 @@ STATIC unsigned long xfs_ioctl32_fshandle(unsigned long arg)
return (unsigned long)p;
}
-
STATIC long
xfs_compat_ioctl(
int mode,
@@ -404,9 +276,9 @@ xfs_compat_ioctl(
case XFS_IOC_ERROR_CLEARALL:
break;
- case XFS_IOC32_GETXFLAGS:
- case XFS_IOC32_SETXFLAGS:
- case XFS_IOC32_GETVERSION:
+ case XFS_IOC_GETXFLAGS_32:
+ case XFS_IOC_SETXFLAGS_32:
+ case XFS_IOC_GETVERSION_32:
cmd = _NATIVE_IOC(cmd, long);
break;
#ifdef BROKEN_X86_ALIGNMENT
@@ -426,7 +298,6 @@ xfs_compat_ioctl(
arg = xfs_ioctl32_geom_v1(arg);
cmd = _NATIVE_IOC(cmd, struct xfs_fsop_geom_v1);
break;
-
#else /* These are handled fine if no alignment issues */
case XFS_IOC_ALLOCSP:
case XFS_IOC_FREESP:
@@ -464,7 +335,6 @@ xfs_compat_ioctl(
error = xfs_ioctl(XFS_I(inode), file, mode, cmd, (void __user *)arg);
xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED);
-
return error;
}
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.h b/fs/xfs/linux-2.6/xfs_ioctl32.h
index 02de6e62ee3..003a10e695b 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.h
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.h
@@ -18,7 +18,152 @@
#ifndef __XFS_IOCTL32_H__
#define __XFS_IOCTL32_H__
+#include <linux/compat.h>
+
extern long xfs_file_compat_ioctl(struct file *, unsigned, unsigned long);
extern long xfs_file_compat_invis_ioctl(struct file *, unsigned, unsigned long);
+/*
+ * on 32-bit arches, ioctl argument structures may have different sizes
+ * and/or alignment. We define compat structures which match the
+ * 32-bit sizes/alignments here, and their associated ioctl numbers.
+ *
+ * xfs_ioctl32.c contains routines to copy these structures in and out.
+ */
+
+/* stock kernel-level ioctls we support */
+#define XFS_IOC_GETXFLAGS_32 FS_IOC32_GETFLAGS
+#define XFS_IOC_SETXFLAGS_32 FS_IOC32_SETFLAGS
+#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
+
+/*
+ * On intel, even if sizes match, alignment and/or padding may differ.
+ */
+#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+#define BROKEN_X86_ALIGNMENT
+#define __compat_packed __attribute__((packed))
+#else
+#define __compat_packed
+#endif
+
+typedef struct compat_xfs_bstime {
+ compat_time_t tv_sec; /* seconds */
+ __s32 tv_nsec; /* and nanoseconds */
+} compat_xfs_bstime_t;
+
+typedef struct compat_xfs_bstat {
+ __u64 bs_ino; /* inode number */
+ __u16 bs_mode; /* type and mode */
+ __u16 bs_nlink; /* number of links */
+ __u32 bs_uid; /* user id */
+ __u32 bs_gid; /* group id */
+ __u32 bs_rdev; /* device value */
+ __s32 bs_blksize; /* block size */
+ __s64 bs_size; /* file size */
+ compat_xfs_bstime_t bs_atime; /* access time */
+ compat_xfs_bstime_t bs_mtime; /* modify time */
+ compat_xfs_bstime_t bs_ctime; /* inode change time */
+ int64_t bs_blocks; /* number of blocks */
+ __u32 bs_xflags; /* extended flags */
+ __s32 bs_extsize; /* extent size */
+ __s32 bs_extents; /* number of extents */
+ __u32 bs_gen; /* generation count */
+ __u16 bs_projid; /* project id */
+ unsigned char bs_pad[14]; /* pad space, unused */
+ __u32 bs_dmevmask; /* DMIG event mask */
+ __u16 bs_dmstate; /* DMIG state info */
+ __u16 bs_aextents; /* attribute number of extents */
+} __compat_packed compat_xfs_bstat_t;
+
+typedef struct compat_xfs_fsop_bulkreq {
+ compat_uptr_t lastip; /* last inode # pointer */
+ __s32 icount; /* count of entries in buffer */
+ compat_uptr_t ubuffer; /* user buffer for inode desc. */
+ compat_uptr_t ocount; /* output count pointer */
+} compat_xfs_fsop_bulkreq_t;
+
+#define XFS_IOC_FSBULKSTAT_32 \
+ _IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
+#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
+ _IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
+#define XFS_IOC_FSINUMBERS_32 \
+ _IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
+
+typedef struct compat_xfs_fsop_handlereq {
+ __u32 fd; /* fd for FD_TO_HANDLE */
+ compat_uptr_t path; /* user pathname */
+ __u32 oflags; /* open flags */
+ compat_uptr_t ihandle; /* user supplied handle */
+ __u32 ihandlen; /* user supplied length */
+ compat_uptr_t ohandle; /* user buffer for handle */
+ compat_uptr_t ohandlen; /* user buffer length */
+} compat_xfs_fsop_handlereq_t;
+
+#define XFS_IOC_PATH_TO_FSHANDLE_32 \
+ _IOWR('X', 104, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_PATH_TO_HANDLE_32 \
+ _IOWR('X', 105, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_FD_TO_HANDLE_32 \
+ _IOWR('X', 106, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_OPEN_BY_HANDLE_32 \
+ _IOWR('X', 107, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_READLINK_BY_HANDLE_32 \
+ _IOWR('X', 108, struct compat_xfs_fsop_handlereq)
+
+#ifdef BROKEN_X86_ALIGNMENT
+/* on ia32 l_start is on a 32-bit boundary */
+typedef struct compat_xfs_flock64 {
+ __s16 l_type;
+ __s16 l_whence;
+ __s64 l_start __attribute__((packed));
+ /* len == 0 means until end of file */
+ __s64 l_len __attribute__((packed));
+ __s32 l_sysid;
+ __u32 l_pid;
+ __s32 l_pad[4]; /* reserve area */
+} compat_xfs_flock64_t;
+
+#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64)
+#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64)
+#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64)
+#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64)
+#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64)
+#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64)
+#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64)
+#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64)
+
+typedef struct compat_xfs_fsop_geom_v1 {
+ __u32 blocksize; /* filesystem (data) block size */
+ __u32 rtextsize; /* realtime extent size */
+ __u32 agblocks; /* fsblocks in an AG */
+ __u32 agcount; /* number of allocation groups */
+ __u32 logblocks; /* fsblocks in the log */
+ __u32 sectsize; /* (data) sector size, bytes */
+ __u32 inodesize; /* inode size in bytes */
+ __u32 imaxpct; /* max allowed inode space(%) */
+ __u64 datablocks; /* fsblocks in data subvolume */
+ __u64 rtblocks; /* fsblocks in realtime subvol */
+ __u64 rtextents; /* rt extents in realtime subvol*/
+ __u64 logstart; /* starting fsblock of the log */
+ unsigned char uuid[16]; /* unique id of the filesystem */
+ __u32 sunit; /* stripe unit, fsblocks */
+ __u32 swidth; /* stripe width, fsblocks */
+ __s32 version; /* structure version */
+ __u32 flags; /* superblock version flags */
+ __u32 logsectsize; /* log sector size, bytes */
+ __u32 rtsectsize; /* realtime sector size, bytes */
+ __u32 dirblocksize; /* directory block size, bytes */
+} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
+
+#define XFS_IOC_FSGEOMETRY_V1_32 \
+ _IOR('X', 100, struct compat_xfs_fsop_geom_v1)
+
+typedef struct compat_xfs_inogrp {
+ __u64 xi_startino; /* starting inode number */
+ __s32 xi_alloccount; /* # bits set in allocmask */
+ __u64 xi_allocmask; /* mask of allocated inodes */
+} __attribute__((packed)) compat_xfs_inogrp_t;
+
+#endif /* BROKEN_X86_ALIGNMENT */
+
#endif /* __XFS_IOCTL32_H__ */
diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index 4ae03bae992..589c41c3844 100644
--- a/fs/xfs/xfs_fs.h
+++ b/fs/xfs/xfs_fs.h
@@ -418,10 +418,6 @@ typedef struct xfs_handle {
#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
#define XFS_IOC_GETVERSION FS_IOC_GETVERSION
-/* 32-bit compat counterparts */
-#define XFS_IOC32_GETXFLAGS FS_IOC32_GETFLAGS
-#define XFS_IOC32_SETXFLAGS FS_IOC32_SETFLAGS
-#define XFS_IOC32_GETVERSION FS_IOC32_GETVERSION
/*
* ioctl commands that replace IRIX fcntl()'s
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 08:48:50 +0000