diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 29 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.c | 26 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.h | 2 |
3 files changed, 0 insertions, 57 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 37f2d11be4ac..c4f788e11197 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1388,35 +1388,6 @@ xfs_finish_flags( return XFS_ERROR(EROFS); } -#if 0 /* shared mounts were never supported on Linux */ - /* - * check for shared mount. - */ - if (ap->flags & XFSMNT_SHARED) { - if (!xfs_sb_version_hasshared(&mp->m_sb)) - return XFS_ERROR(EINVAL); - - /* - * For IRIX 6.5, shared mounts must have the shared - * version bit set, have the persistent readonly - * field set, must be version 0 and can only be mounted - * read-only. - */ - if (!ronly || !(mp->m_sb.sb_flags & XFS_SBF_READONLY) || - (mp->m_sb.sb_shared_vn != 0)) - return XFS_ERROR(EINVAL); - - mp->m_flags |= XFS_MOUNT_SHARED; - - /* - * Shared XFS V0 can't deal with DMI. Return EINVAL. - */ - if (mp->m_sb.sb_shared_vn == 0 && - (mp->m_flags & XFS_MOUNT_DMAPI)) - return XFS_ERROR(EINVAL); - } -#endif - return 0; } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 3f999b1c0385..1672ff56a009 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1352,24 +1352,6 @@ xfs_log_sbcount( return error; } -STATIC void -xfs_mark_shared_ro( - xfs_mount_t *mp, - xfs_buf_t *bp) -{ - xfs_dsb_t *sb = XFS_BUF_TO_SBP(bp); - __uint16_t version; - - if (!(sb->sb_flags & XFS_SBF_READONLY)) - sb->sb_flags |= XFS_SBF_READONLY; - - version = be16_to_cpu(sb->sb_versionnum); - if ((version & XFS_SB_VERSION_NUMBITS) != XFS_SB_VERSION_4 || - !(version & XFS_SB_VERSION_SHAREDBIT)) - version |= XFS_SB_VERSION_SHAREDBIT; - sb->sb_versionnum = cpu_to_be16(version); -} - int xfs_unmountfs_writesb(xfs_mount_t *mp) { @@ -1385,12 +1367,6 @@ xfs_unmountfs_writesb(xfs_mount_t *mp) sbp = xfs_getsb(mp, 0); - /* - * mark shared-readonly if desired - */ - if (mp->m_mk_sharedro) - xfs_mark_shared_ro(mp, sbp); - XFS_BUF_UNDONE(sbp); XFS_BUF_UNREAD(sbp); XFS_BUF_UNDELAYWRITE(sbp); @@ -1402,8 +1378,6 @@ xfs_unmountfs_writesb(xfs_mount_t *mp) if (error) xfs_ioerror_alert("xfs_unmountfs_writesb", mp, sbp, XFS_BUF_ADDR(sbp)); - if (error && mp->m_mk_sharedro) - xfs_fs_cmn_err(CE_ALERT, mp, "Superblock write error detected while unmounting. Filesystem may not be marked shared readonly"); xfs_buf_relse(sbp); } return error; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index cfdac80f4fc6..2ab2df57b69a 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -301,7 +301,6 @@ typedef struct xfs_mount { int m_sinoalign; /* stripe unit inode alignment */ int m_attr_magicpct;/* 37% of the blocksize */ int m_dir_magicpct; /* 37% of the dir blocksize */ - __uint8_t m_mk_sharedro; /* mark shared ro on unmount */ __uint8_t m_sectbb_log; /* sectlog - BBSHIFT */ const struct xfs_nameops *m_dirnameops; /* vector of dir name ops */ int m_dirblksize; /* directory block sz--bytes */ @@ -349,7 +348,6 @@ typedef struct xfs_mount { #define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */ #define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */ #define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */ -#define XFS_MOUNT_SHARED (1ULL << 11) /* shared mount */ #define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */ #define XFS_MOUNT_OSYNCISOSYNC (1ULL << 13) /* o_sync is REALLY o_sync */ /* osyncisdsync is now default*/ |
