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xfs: fall back to native ioctls for unhandled compat ones
Always try the native ioctl if we don't have a compat handler. This
removes a lot of boilerplate code as 'modern' ioctls should generally
be compat clean, and fixes the missing entries for the recently added
FS_IOC_GETFSLABEL/FS_IOC_SETFSLABEL ioctls.
Fixes: f7664b3197
("xfs: implement online get/set fs label")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
parent
8612de3f7b
commit
314e01a6d7
@ -553,57 +553,6 @@ xfs_file_compat_ioctl(
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trace_xfs_file_compat_ioctl(ip);
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trace_xfs_file_compat_ioctl(ip);
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switch (cmd) {
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switch (cmd) {
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/* No size or alignment issues on any arch */
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case XFS_IOC_DIOINFO:
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case XFS_IOC_FSGEOMETRY_V4:
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case XFS_IOC_FSGEOMETRY:
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case XFS_IOC_AG_GEOMETRY:
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case XFS_IOC_FSGETXATTR:
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case XFS_IOC_FSSETXATTR:
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case XFS_IOC_FSGETXATTRA:
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case XFS_IOC_FSSETDM:
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case XFS_IOC_GETBMAP:
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case XFS_IOC_GETBMAPA:
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case XFS_IOC_GETBMAPX:
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case XFS_IOC_FSCOUNTS:
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case XFS_IOC_SET_RESBLKS:
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case XFS_IOC_GET_RESBLKS:
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case XFS_IOC_FSGROWFSLOG:
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case XFS_IOC_GOINGDOWN:
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case XFS_IOC_ERROR_INJECTION:
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case XFS_IOC_ERROR_CLEARALL:
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case FS_IOC_GETFSMAP:
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case XFS_IOC_SCRUB_METADATA:
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case XFS_IOC_BULKSTAT:
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case XFS_IOC_INUMBERS:
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return xfs_file_ioctl(filp, cmd, p);
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#if !defined(BROKEN_X86_ALIGNMENT) || defined(CONFIG_X86_X32)
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/*
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* These are handled fine if no alignment issues. To support x32
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* which uses native 64-bit alignment we must emit these cases in
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* addition to the ia-32 compat set below.
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*/
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case XFS_IOC_ALLOCSP:
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case XFS_IOC_FREESP:
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case XFS_IOC_RESVSP:
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case XFS_IOC_UNRESVSP:
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case XFS_IOC_ALLOCSP64:
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case XFS_IOC_FREESP64:
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case XFS_IOC_RESVSP64:
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case XFS_IOC_UNRESVSP64:
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case XFS_IOC_FSGEOMETRY_V1:
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case XFS_IOC_FSGROWFSDATA:
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case XFS_IOC_FSGROWFSRT:
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case XFS_IOC_ZERO_RANGE:
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#ifdef CONFIG_X86_X32
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/*
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* x32 special: this gets a different cmd number from the ia-32 compat
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* case below; the associated data will match native 64-bit alignment.
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*/
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case XFS_IOC_SWAPEXT:
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#endif
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return xfs_file_ioctl(filp, cmd, p);
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#endif
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#if defined(BROKEN_X86_ALIGNMENT)
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#if defined(BROKEN_X86_ALIGNMENT)
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case XFS_IOC_ALLOCSP_32:
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case XFS_IOC_ALLOCSP_32:
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case XFS_IOC_FREESP_32:
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case XFS_IOC_FREESP_32:
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@ -705,6 +654,7 @@ xfs_file_compat_ioctl(
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case XFS_IOC_FSSETDM_BY_HANDLE_32:
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case XFS_IOC_FSSETDM_BY_HANDLE_32:
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return xfs_compat_fssetdm_by_handle(filp, arg);
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return xfs_compat_fssetdm_by_handle(filp, arg);
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default:
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default:
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return -ENOIOCTLCMD;
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/* try the native version */
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return xfs_file_ioctl(filp, cmd, p);
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}
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}
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}
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}
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