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[XFS] Rework the final mount options flag bit to make room for more.
SGI-PV: 943866 SGI-Modid: xfs-linux:xfs-kern:24030a Signed-off-by: Nathan Scott <nathans@sgi.com>
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Nathan Scott
parent
6b3f6b5b87
commit
e718eeb4fe
@ -41,6 +41,7 @@
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*/
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struct xfs_mount_args {
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int flags; /* flags -> see XFSMNT_... macros below */
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int flags2; /* flags -> see XFSMNT2_... macros below */
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int logbufs; /* Number of log buffers, -1 to default */
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int logbufsize; /* Size of log buffers, -1 to default */
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char fsname[MAXNAMELEN+1]; /* data device name */
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@ -54,7 +55,7 @@ struct xfs_mount_args {
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};
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/*
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* XFS mount option flags
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* XFS mount option flags -- args->flags1
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*/
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#define XFSMNT_COMPAT_ATTR 0x00000001 /* do not use ATTR2 format */
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#define XFSMNT_WSYNC 0x00000002 /* safe mode nfs mount
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@ -77,7 +78,7 @@ struct xfs_mount_args {
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#define XFSMNT_SHARED 0x00001000 /* shared XFS mount */
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#define XFSMNT_IOSIZE 0x00002000 /* optimize for I/O size */
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#define XFSMNT_OSYNCISOSYNC 0x00004000 /* o_sync is REALLY o_sync */
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/* (osyncisdsync is now default) */
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/* (osyncisdsync is default) */
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#define XFSMNT_32BITINODES 0x00200000 /* restrict inodes to 32
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* bits of address space */
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#define XFSMNT_GQUOTA 0x00400000 /* group quota accounting */
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@ -92,7 +93,12 @@ struct xfs_mount_args {
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#define XFSMNT_IHASHSIZE 0x20000000 /* inode hash table size */
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#define XFSMNT_DIRSYNC 0x40000000 /* sync creat,link,unlink,rename
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* symlink,mkdir,rmdir,mknod */
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#define XFSMNT_COMPAT_IOSIZE 0x80000000 /* don't report large preferred
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* I/O size in stat() */
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#define XFSMNT_FLAGS2 0x80000000 /* more flags set in flags2 */
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/*
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* XFS mount option flags -- args->flags2
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*/
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#define XFSMNT2_COMPAT_IOSIZE 0x00000001 /* don't report large preferred
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* I/O size in stat(2) */
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#endif /* __XFS_CLNT_H__ */
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@ -333,7 +333,7 @@ typedef struct xfs_mount {
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sema_t m_growlock; /* growfs mutex */
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int m_fixedfsid[2]; /* unchanged for life of FS */
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uint m_dmevmask; /* DMI events for this FS */
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uint m_flags; /* global mount flags */
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__uint64_t m_flags; /* global mount flags */
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uint m_attroffset; /* inode attribute offset */
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uint m_dir_node_ents; /* #entries in a dir danode */
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uint m_attr_node_ents; /* #entries in attr danode */
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@ -378,39 +378,39 @@ typedef struct xfs_mount {
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/*
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* Flags for m_flags.
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*/
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#define XFS_MOUNT_WSYNC 0x00000001 /* for nfs - all metadata ops
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#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops
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must be synchronous except
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for space allocations */
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#define XFS_MOUNT_INO64 0x00000002
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/* 0x00000004 -- currently unused */
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/* 0x00000008 -- currently unused */
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#define XFS_MOUNT_FS_SHUTDOWN 0x00000010 /* atomic stop of all filesystem
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#define XFS_MOUNT_INO64 (1ULL << 1)
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/* (1ULL << 2) -- currently unused */
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/* (1ULL << 3) -- currently unused */
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#define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem
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operations, typically for
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disk errors in metadata */
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#define XFS_MOUNT_NOATIME 0x00000020 /* don't modify inode access
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#define XFS_MOUNT_NOATIME (1ULL << 5) /* don't modify inode access
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times on reads */
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#define XFS_MOUNT_RETERR 0x00000040 /* return alignment errors to
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#define XFS_MOUNT_RETERR (1ULL << 6) /* return alignment errors to
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user */
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#define XFS_MOUNT_NOALIGN 0x00000080 /* turn off stripe alignment
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#define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment
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allocations */
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#define XFS_MOUNT_COMPAT_ATTR 0x00000100 /* do not use attr2 format */
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/* 0x00000200 -- currently unused */
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#define XFS_MOUNT_NORECOVERY 0x00000400 /* no recovery - dirty fs */
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#define XFS_MOUNT_SHARED 0x00000800 /* shared mount */
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#define XFS_MOUNT_DFLT_IOSIZE 0x00001000 /* set default i/o size */
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#define XFS_MOUNT_OSYNCISOSYNC 0x00002000 /* o_sync is REALLY o_sync */
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#define XFS_MOUNT_COMPAT_ATTR (1ULL << 8) /* do not use attr2 format */
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/* (1ULL << 9) -- currently unused */
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#define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */
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#define XFS_MOUNT_SHARED (1ULL << 11) /* shared mount */
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#define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */
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#define XFS_MOUNT_OSYNCISOSYNC (1ULL << 13) /* o_sync is REALLY o_sync */
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/* osyncisdsync is now default*/
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#define XFS_MOUNT_32BITINODES 0x00004000 /* do not create inodes above
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#define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above
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* 32 bits in size */
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#define XFS_MOUNT_32BITINOOPT 0x00008000 /* saved mount option state */
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#define XFS_MOUNT_NOUUID 0x00010000 /* ignore uuid during mount */
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#define XFS_MOUNT_BARRIER 0x00020000
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#define XFS_MOUNT_IDELETE 0x00040000 /* delete empty inode clusters*/
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#define XFS_MOUNT_SWALLOC 0x00080000 /* turn on stripe width
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#define XFS_MOUNT_32BITINOOPT (1ULL << 15) /* saved mount option state */
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#define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */
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#define XFS_MOUNT_BARRIER (1ULL << 17)
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#define XFS_MOUNT_IDELETE (1ULL << 18) /* delete empty inode clusters*/
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#define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width
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* allocation */
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#define XFS_MOUNT_IHASHSIZE 0x00100000 /* inode hash table size */
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#define XFS_MOUNT_DIRSYNC 0x00200000 /* synchronous directory ops */
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#define XFS_MOUNT_COMPAT_IOSIZE 0x00400000 /* don't report large preferred
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#define XFS_MOUNT_IHASHSIZE (1ULL << 20) /* inode hash table size */
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#define XFS_MOUNT_DIRSYNC (1ULL << 21) /* synchronous directory ops */
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#define XFS_MOUNT_COMPAT_IOSIZE (1ULL << 22) /* don't report large preferred
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* I/O size in stat() */
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@ -291,11 +291,12 @@ xfs_start_flags(
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mp->m_flags |= XFS_MOUNT_IDELETE;
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if (ap->flags & XFSMNT_DIRSYNC)
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mp->m_flags |= XFS_MOUNT_DIRSYNC;
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if (ap->flags & XFSMNT_COMPAT_IOSIZE)
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mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
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if (ap->flags & XFSMNT_COMPAT_ATTR)
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mp->m_flags |= XFS_MOUNT_COMPAT_ATTR;
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if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE)
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mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
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/*
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* no recovery flag requires a read-only mount
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*/
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@ -1679,7 +1680,7 @@ xfs_parseargs(
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int dsunit, dswidth, vol_dsunit, vol_dswidth;
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int iosize;
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args->flags |= XFSMNT_COMPAT_IOSIZE;
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args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
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args->flags |= XFSMNT_COMPAT_ATTR;
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#if 0 /* XXX: off by default, until some remaining issues ironed out */
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@ -1811,9 +1812,9 @@ xfs_parseargs(
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} else if (!strcmp(this_char, MNTOPT_NOIKEEP)) {
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args->flags |= XFSMNT_IDELETE;
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} else if (!strcmp(this_char, MNTOPT_LARGEIO)) {
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args->flags &= ~XFSMNT_COMPAT_IOSIZE;
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args->flags2 &= ~XFSMNT2_COMPAT_IOSIZE;
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} else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
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args->flags |= XFSMNT_COMPAT_IOSIZE;
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args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
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} else if (!strcmp(this_char, MNTOPT_ATTR2)) {
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args->flags &= ~XFSMNT_COMPAT_ATTR;
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} else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
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@ -1867,6 +1868,8 @@ printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n");
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args->sunit = args->swidth = 0;
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}
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if (args->flags2)
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args->flags |= XFSMNT_FLAGS2;
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return 0;
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}
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