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![Christoph Hellwig](/assets/img/avatar_default.png)
xfs_attrmulti_by_handle currently request the size based on sizeof(attr_multiop_t) but should be using sizeof(xfs_attr_multiop_t) because that is what it is dealing with. Despite beeing wrong this actually harmless in practice because both structures are the same size on all platforms. But this sizeof was the only user of struct attr_multiop so we can just kill it. Also move the ATTR_OP_* defines xfs_attr.h into the struct xfs_attr_multiop defintion in xfs_fs.h because they are only used with that structure, and are part of the user ABI for the XFS_IOC_ATTRMULTI_BY_HANDLE ioctl. SGI-PV: 983508 SGI-Modid: xfs-linux-melb:xfs-kern:31352a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
504 lines
19 KiB
C
504 lines
19 KiB
C
/*
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* Copyright (c) 1995-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_FS_H__
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#define __XFS_FS_H__
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/*
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* SGI's XFS filesystem's major stuff (constants, structures)
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*/
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/*
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* Direct I/O attribute record used with XFS_IOC_DIOINFO
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* d_miniosz is the min xfer size, xfer size multiple and file seek offset
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* alignment.
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*/
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#ifndef HAVE_DIOATTR
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struct dioattr {
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__u32 d_mem; /* data buffer memory alignment */
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__u32 d_miniosz; /* min xfer size */
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__u32 d_maxiosz; /* max xfer size */
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};
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#endif
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/*
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* Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
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*/
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#ifndef HAVE_FSXATTR
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struct fsxattr {
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__u32 fsx_xflags; /* xflags field value (get/set) */
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__u32 fsx_extsize; /* extsize field value (get/set)*/
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__u32 fsx_nextents; /* nextents field value (get) */
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__u32 fsx_projid; /* project identifier (get/set) */
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unsigned char fsx_pad[12];
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};
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#endif
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/*
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* Flags for the bs_xflags/fsx_xflags field
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* There should be a one-to-one correspondence between these flags and the
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* XFS_DIFLAG_s.
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*/
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#define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
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#define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
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#define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
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#define XFS_XFLAG_APPEND 0x00000010 /* all writes append */
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#define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
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#define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */
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#define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
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#define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
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#define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
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#define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
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#define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
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#define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
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#define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
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#define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
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#define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
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/*
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* Structure for XFS_IOC_GETBMAP.
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* On input, fill in bmv_offset and bmv_length of the first structure
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* to indicate the area of interest in the file, and bmv_entries with
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* the number of array elements given back. The first structure is
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* updated on return to give the offset and length for the next call.
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*/
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#ifndef HAVE_GETBMAP
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struct getbmap {
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__s64 bmv_offset; /* file offset of segment in blocks */
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__s64 bmv_block; /* starting block (64-bit daddr_t) */
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__s64 bmv_length; /* length of segment, blocks */
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__s32 bmv_count; /* # of entries in array incl. 1st */
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__s32 bmv_entries; /* # of entries filled in (output) */
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};
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#endif
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/*
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* Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
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* are used exactly as in the getbmap structure. The getbmapx structure
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* has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
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* is only used for the first structure. It contains input flags
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* specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
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* in by the XFS_IOC_GETBMAPX command for each returned structure after
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* the first.
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*/
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#ifndef HAVE_GETBMAPX
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struct getbmapx {
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__s64 bmv_offset; /* file offset of segment in blocks */
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__s64 bmv_block; /* starting block (64-bit daddr_t) */
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__s64 bmv_length; /* length of segment, blocks */
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__s32 bmv_count; /* # of entries in array incl. 1st */
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__s32 bmv_entries; /* # of entries filled in (output). */
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__s32 bmv_iflags; /* input flags (1st structure) */
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__s32 bmv_oflags; /* output flags (after 1st structure)*/
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__s32 bmv_unused1; /* future use */
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__s32 bmv_unused2; /* future use */
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};
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#endif
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/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
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#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
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#define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
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#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
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#define BMV_IF_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC)
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#ifdef __KERNEL__
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#define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */
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#endif
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/* bmv_oflags values - returned for for each non-header segment */
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#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
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/* Convert getbmap <-> getbmapx - move fields from p1 to p2. */
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#define GETBMAP_CONVERT(p1,p2) { \
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p2.bmv_offset = p1.bmv_offset; \
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p2.bmv_block = p1.bmv_block; \
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p2.bmv_length = p1.bmv_length; \
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p2.bmv_count = p1.bmv_count; \
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p2.bmv_entries = p1.bmv_entries; }
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/*
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* Structure for XFS_IOC_FSSETDM.
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* For use by backup and restore programs to set the XFS on-disk inode
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* fields di_dmevmask and di_dmstate. These must be set to exactly and
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* only values previously obtained via xfs_bulkstat! (Specifically the
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* xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
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*/
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#ifndef HAVE_FSDMIDATA
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struct fsdmidata {
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__u32 fsd_dmevmask; /* corresponds to di_dmevmask */
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__u16 fsd_padding;
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__u16 fsd_dmstate; /* corresponds to di_dmstate */
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};
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#endif
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/*
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* File segment locking set data type for 64 bit access.
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* Also used for all the RESV/FREE interfaces.
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*/
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typedef struct xfs_flock64 {
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__s16 l_type;
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__s16 l_whence;
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__s64 l_start;
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__s64 l_len; /* len == 0 means until end of file */
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__s32 l_sysid;
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__u32 l_pid;
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__s32 l_pad[4]; /* reserve area */
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} xfs_flock64_t;
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/*
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* Output for XFS_IOC_FSGEOMETRY_V1
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*/
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typedef struct xfs_fsop_geom_v1 {
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__u32 blocksize; /* filesystem (data) block size */
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__u32 rtextsize; /* realtime extent size */
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__u32 agblocks; /* fsblocks in an AG */
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__u32 agcount; /* number of allocation groups */
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__u32 logblocks; /* fsblocks in the log */
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__u32 sectsize; /* (data) sector size, bytes */
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__u32 inodesize; /* inode size in bytes */
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__u32 imaxpct; /* max allowed inode space(%) */
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__u64 datablocks; /* fsblocks in data subvolume */
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__u64 rtblocks; /* fsblocks in realtime subvol */
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__u64 rtextents; /* rt extents in realtime subvol*/
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__u64 logstart; /* starting fsblock of the log */
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unsigned char uuid[16]; /* unique id of the filesystem */
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__u32 sunit; /* stripe unit, fsblocks */
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__u32 swidth; /* stripe width, fsblocks */
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__s32 version; /* structure version */
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__u32 flags; /* superblock version flags */
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__u32 logsectsize; /* log sector size, bytes */
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__u32 rtsectsize; /* realtime sector size, bytes */
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__u32 dirblocksize; /* directory block size, bytes */
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} xfs_fsop_geom_v1_t;
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/*
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* Output for XFS_IOC_FSGEOMETRY
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*/
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typedef struct xfs_fsop_geom {
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__u32 blocksize; /* filesystem (data) block size */
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__u32 rtextsize; /* realtime extent size */
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__u32 agblocks; /* fsblocks in an AG */
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__u32 agcount; /* number of allocation groups */
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__u32 logblocks; /* fsblocks in the log */
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__u32 sectsize; /* (data) sector size, bytes */
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__u32 inodesize; /* inode size in bytes */
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__u32 imaxpct; /* max allowed inode space(%) */
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__u64 datablocks; /* fsblocks in data subvolume */
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__u64 rtblocks; /* fsblocks in realtime subvol */
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__u64 rtextents; /* rt extents in realtime subvol*/
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__u64 logstart; /* starting fsblock of the log */
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unsigned char uuid[16]; /* unique id of the filesystem */
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__u32 sunit; /* stripe unit, fsblocks */
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__u32 swidth; /* stripe width, fsblocks */
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__s32 version; /* structure version */
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__u32 flags; /* superblock version flags */
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__u32 logsectsize; /* log sector size, bytes */
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__u32 rtsectsize; /* realtime sector size, bytes */
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__u32 dirblocksize; /* directory block size, bytes */
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__u32 logsunit; /* log stripe unit, bytes */
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} xfs_fsop_geom_t;
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/* Output for XFS_FS_COUNTS */
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typedef struct xfs_fsop_counts {
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__u64 freedata; /* free data section blocks */
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__u64 freertx; /* free rt extents */
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__u64 freeino; /* free inodes */
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__u64 allocino; /* total allocated inodes */
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} xfs_fsop_counts_t;
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/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
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typedef struct xfs_fsop_resblks {
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__u64 resblks;
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__u64 resblks_avail;
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} xfs_fsop_resblks_t;
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#define XFS_FSOP_GEOM_VERSION 0
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#define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
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#define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
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#define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
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#define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
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#define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
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#define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
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#define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
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#define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
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#define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
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#define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
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#define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
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#define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
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#define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
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/*
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* Minimum and maximum sizes need for growth checks
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*/
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#define XFS_MIN_AG_BLOCKS 64
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#define XFS_MIN_LOG_BLOCKS 512
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#define XFS_MAX_LOG_BLOCKS (64 * 1024)
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#define XFS_MIN_LOG_BYTES (256 * 1024)
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#define XFS_MAX_LOG_BYTES (128 * 1024 * 1024)
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/*
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* Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
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*/
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typedef struct xfs_growfs_data {
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__u64 newblocks; /* new data subvol size, fsblocks */
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__u32 imaxpct; /* new inode space percentage limit */
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} xfs_growfs_data_t;
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typedef struct xfs_growfs_log {
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__u32 newblocks; /* new log size, fsblocks */
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__u32 isint; /* 1 if new log is internal */
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} xfs_growfs_log_t;
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typedef struct xfs_growfs_rt {
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__u64 newblocks; /* new realtime size, fsblocks */
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__u32 extsize; /* new realtime extent size, fsblocks */
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} xfs_growfs_rt_t;
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/*
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* Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
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*/
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typedef struct xfs_bstime {
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time_t tv_sec; /* seconds */
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__s32 tv_nsec; /* and nanoseconds */
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} xfs_bstime_t;
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typedef struct xfs_bstat {
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__u64 bs_ino; /* inode number */
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__u16 bs_mode; /* type and mode */
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__u16 bs_nlink; /* number of links */
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__u32 bs_uid; /* user id */
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__u32 bs_gid; /* group id */
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__u32 bs_rdev; /* device value */
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__s32 bs_blksize; /* block size */
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__s64 bs_size; /* file size */
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xfs_bstime_t bs_atime; /* access time */
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xfs_bstime_t bs_mtime; /* modify time */
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xfs_bstime_t bs_ctime; /* inode change time */
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int64_t bs_blocks; /* number of blocks */
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__u32 bs_xflags; /* extended flags */
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__s32 bs_extsize; /* extent size */
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__s32 bs_extents; /* number of extents */
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__u32 bs_gen; /* generation count */
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__u16 bs_projid; /* project id */
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unsigned char bs_pad[14]; /* pad space, unused */
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__u32 bs_dmevmask; /* DMIG event mask */
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__u16 bs_dmstate; /* DMIG state info */
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__u16 bs_aextents; /* attribute number of extents */
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} xfs_bstat_t;
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/*
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* The user-level BulkStat Request interface structure.
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*/
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typedef struct xfs_fsop_bulkreq {
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__u64 __user *lastip; /* last inode # pointer */
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__s32 icount; /* count of entries in buffer */
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void __user *ubuffer;/* user buffer for inode desc. */
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__s32 __user *ocount; /* output count pointer */
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} xfs_fsop_bulkreq_t;
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/*
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* Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
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*/
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typedef struct xfs_inogrp {
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__u64 xi_startino; /* starting inode number */
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__s32 xi_alloccount; /* # bits set in allocmask */
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__u64 xi_allocmask; /* mask of allocated inodes */
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} xfs_inogrp_t;
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/*
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* Error injection.
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*/
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typedef struct xfs_error_injection {
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__s32 fd;
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__s32 errtag;
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} xfs_error_injection_t;
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/*
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* The user-level Handle Request interface structure.
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*/
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typedef struct xfs_fsop_handlereq {
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__u32 fd; /* fd for FD_TO_HANDLE */
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void __user *path; /* user pathname */
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__u32 oflags; /* open flags */
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void __user *ihandle;/* user supplied handle */
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__u32 ihandlen; /* user supplied length */
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void __user *ohandle;/* user buffer for handle */
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__u32 __user *ohandlen;/* user buffer length */
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} xfs_fsop_handlereq_t;
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/*
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* Compound structures for passing args through Handle Request interfaces
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* xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
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* - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
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* XFS_IOC_ATTRMULTI_BY_HANDLE
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*/
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typedef struct xfs_fsop_setdm_handlereq {
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struct xfs_fsop_handlereq hreq; /* handle information */
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struct fsdmidata __user *data; /* DMAPI data */
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} xfs_fsop_setdm_handlereq_t;
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typedef struct xfs_attrlist_cursor {
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__u32 opaque[4];
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} xfs_attrlist_cursor_t;
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typedef struct xfs_fsop_attrlist_handlereq {
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struct xfs_fsop_handlereq hreq; /* handle interface structure */
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struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
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__u32 flags; /* which namespace to use */
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__u32 buflen; /* length of buffer supplied */
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void __user *buffer; /* returned names */
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} xfs_fsop_attrlist_handlereq_t;
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typedef struct xfs_attr_multiop {
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__u32 am_opcode;
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#define ATTR_OP_GET 1 /* return the indicated attr's value */
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#define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
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#define ATTR_OP_REMOVE 3 /* remove the indicated attr */
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__s32 am_error;
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void __user *am_attrname;
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void __user *am_attrvalue;
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__u32 am_length;
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__u32 am_flags;
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} xfs_attr_multiop_t;
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typedef struct xfs_fsop_attrmulti_handlereq {
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struct xfs_fsop_handlereq hreq; /* handle interface structure */
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__u32 opcount;/* count of following multiop */
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struct xfs_attr_multiop __user *ops; /* attr_multi data */
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} xfs_fsop_attrmulti_handlereq_t;
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/*
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* per machine unique filesystem identifier types.
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*/
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typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
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typedef struct xfs_fid {
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__u16 fid_len; /* length of remainder */
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__u16 fid_pad;
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__u32 fid_gen; /* generation number */
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__u64 fid_ino; /* 64 bits inode number */
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} xfs_fid_t;
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typedef struct xfs_handle {
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union {
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__s64 align; /* force alignment of ha_fid */
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xfs_fsid_t _ha_fsid; /* unique file system identifier */
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} ha_u;
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xfs_fid_t ha_fid; /* file system specific file ID */
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} xfs_handle_t;
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|
#define ha_fsid ha_u._ha_fsid
|
|
|
|
#define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \
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|
- (char *) &(handle)) \
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|
+ (handle).ha_fid.fid_len)
|
|
|
|
/*
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|
* Flags for going down operation
|
|
*/
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|
#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
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|
#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
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|
#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
|
|
|
|
/*
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|
* ioctl commands that are used by Linux filesystems
|
|
*/
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|
#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
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|
#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
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|
#define XFS_IOC_GETVERSION FS_IOC_GETVERSION
|
|
/* 32-bit compat counterparts */
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|
#define XFS_IOC32_GETXFLAGS FS_IOC32_GETFLAGS
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|
#define XFS_IOC32_SETXFLAGS FS_IOC32_SETFLAGS
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|
#define XFS_IOC32_GETVERSION FS_IOC32_GETVERSION
|
|
|
|
/*
|
|
* ioctl commands that replace IRIX fcntl()'s
|
|
* For 'documentation' purposed more than anything else,
|
|
* the "cmd #" field reflects the IRIX fcntl number.
|
|
*/
|
|
#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
|
|
#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
|
|
#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
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|
#define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
|
|
#define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
|
|
#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
|
|
#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
|
|
#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
|
|
#define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
|
|
#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
|
|
#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
|
|
#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
|
|
#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
|
|
#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
|
|
#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
|
|
/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
|
|
/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
|
|
#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
|
|
|
|
/*
|
|
* ioctl commands that replace IRIX syssgi()'s
|
|
*/
|
|
#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
|
|
#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
|
|
#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
|
|
#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
|
|
#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
|
|
#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
|
|
#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
|
|
#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
|
|
#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
|
|
#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
|
|
#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
|
|
#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
|
|
#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
|
|
#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
|
|
#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
|
|
#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
|
|
#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
|
|
#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
|
|
/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
|
|
#define XFS_IOC_FREEZE _IOWR('X', 119, int)
|
|
#define XFS_IOC_THAW _IOWR('X', 120, int)
|
|
#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
|
|
#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
|
|
#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
|
|
#define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
|
|
#define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
|
|
/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
|
|
|
|
|
|
#ifndef HAVE_BBMACROS
|
|
/*
|
|
* Block I/O parameterization. A basic block (BB) is the lowest size of
|
|
* filesystem allocation, and must equal 512. Length units given to bio
|
|
* routines are in BB's.
|
|
*/
|
|
#define BBSHIFT 9
|
|
#define BBSIZE (1<<BBSHIFT)
|
|
#define BBMASK (BBSIZE-1)
|
|
#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
|
|
#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
|
|
#define BBTOB(bbs) ((bbs) << BBSHIFT)
|
|
#endif
|
|
|
|
#endif /* __XFS_FS_H__ */
|