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David Chinner ee1c090825 [XFS] Fix superblock features2 field alignment problem 
Due to the xfs_dsb_t structure not being 64 bit aligned, the last field of
the on-disk superblock can vary in location This causes problems when the
filesystem gets moved to a different platform, or there is a 32 bit
userspace and 64 bit kernel.

This patch detects the defect at mount time, logs a warning such as:

XFS: correcting sb_features alignment problem

in dmesg and corrects the problem so that everything is OK. it also
blacklists the bad field in the superblock so it does not get used for
something else later on.

SGI-PV: 977636
SGI-Modid: xfs-linux-melb:xfs-kern:30539a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
 		2008-04-10 16:25:15 +10:00
..
linux-2.6 [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
quota [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
support [XFS] add __init/__exit mark to specific init/cleanup functions 2008-02-07 18:25:19 +11:00
Kconfig
…
Makefile [XFS] Added quota targets and removed dmapi directory 2008-02-18 13:06:17 +11:00
xfs.h [XFS] clean up vnode/inode tracing 2008-02-07 16:42:19 +11:00
xfs_acl.c [XFS] use generic_permission 2008-02-07 18:22:38 +11:00
xfs_acl.h [XFS] use generic_permission 2008-02-07 18:22:38 +11:00
xfs_ag.h [XFS] Unwrap pagb_lock. 2008-02-07 16:46:39 +11:00
xfs_alloc.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_alloc.h
…
xfs_alloc_btree.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_alloc_btree.h
…
xfs_arch.h xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_attr.c [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_attr.h
…
xfs_attr_leaf.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_attr_leaf.h
…
xfs_attr_sf.h
…
xfs_bit.c [XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac 2008-02-26 17:05:44 +11:00
xfs_bit.h [XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac 2008-02-26 17:05:44 +11:00
xfs_bmap.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_bmap.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_bmap_btree.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_bmap_btree.h [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_btree.c
…
xfs_btree.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_buf_item.c [XFS] Unwrap AIL_LOCK 2008-02-07 16:44:23 +11:00
xfs_buf_item.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_clnt.h [XFS] If you mount an XFS filesystem with no mount options at all, then 2008-02-28 20:37:56 -08:00
xfs_da_btree.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_da_btree.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_dfrag.c [XFS] stop re-checking permissions in xfs_swapext 2008-02-07 18:22:24 +11:00
xfs_dfrag.h
…
xfs_dinode.h [XFS] Remove CFORK macros and use code directly in IFORK and DFORK macros. 2008-02-07 18:19:24 +11:00
xfs_dir2.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_dir2.h
…
xfs_dir2_block.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_dir2_block.h
…
xfs_dir2_data.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_dir2_data.h
…
xfs_dir2_leaf.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_dir2_leaf.h
…
xfs_dir2_node.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_dir2_node.h
…
xfs_dir2_sf.c
…
xfs_dir2_sf.h
…
xfs_dir2_trace.c
…
xfs_dir2_trace.h
…
xfs_dmapi.h
…
xfs_dmops.c
…
xfs_error.c [XFS] lose xfs_hex_dump in favor of print_hex_dump 2008-02-07 18:13:05 +11:00
xfs_error.h [XFS] lose xfs_hex_dump in favor of print_hex_dump 2008-02-07 18:13:05 +11:00
xfs_extfree_item.c [XFS] Unwrap AIL_LOCK 2008-02-07 16:44:23 +11:00
xfs_extfree_item.h
…
xfs_filestream.c [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_filestream.h
…
xfs_fs.h [XFS] fix 32-bit compat ioctls for GETXFLAGS, SETXFLAGS, GETVERSION 2008-02-07 18:13:17 +11:00
xfs_fsops.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_fsops.h
…
xfs_ialloc.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_ialloc.h
…
xfs_ialloc_btree.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_ialloc_btree.h [XFS] kill XFS_INOBT_IS_FREE_DISK 2008-02-07 18:12:41 +11:00
xfs_iget.c [XFS] fix inode leak in xfs_iget_core() 2008-03-06 16:38:50 +11:00
xfs_imap.h
…
xfs_inode.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_inode.h [XFS] use generic_permission 2008-02-07 18:22:38 +11:00
xfs_inode_item.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_inode_item.h
…
xfs_inum.h
…
xfs_iomap.c [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config 2008-02-07 18:16:43 +11:00
xfs_iomap.h [XFS] kill unnessecary ioops indirection 2008-02-07 16:44:14 +11:00
xfs_itable.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_itable.h
…
xfs_log.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_log.h [XFS] xlog_rec_header/xlog_rec_ext_header endianess annotations 2008-02-07 18:11:47 +11:00
xfs_log_priv.h [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_log_recover.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_log_recover.h
…
xfs_mount.c [XFS] Fix superblock features2 field alignment problem 2008-04-10 16:25:15 +10:00
xfs_mount.h [XFS] If you mount an XFS filesystem with no mount options at all, then 2008-02-28 20:37:56 -08:00
xfs_mru_cache.c [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_mru_cache.h
…
xfs_qmops.c [XFS] Unwrap XFS_SB_LOCK. 2008-02-07 16:47:15 +11:00
xfs_quota.h
…
xfs_refcache.h
…
xfs_rename.c [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_rtalloc.c [XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac 2008-02-26 17:05:44 +11:00
xfs_rtalloc.h [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config 2008-02-07 18:16:43 +11:00
xfs_rw.c
…
xfs_rw.h [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config 2008-02-07 18:16:43 +11:00
xfs_sb.h [XFS] Fix superblock features2 field alignment problem 2008-04-10 16:25:15 +10:00
xfs_trans.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_trans.h [XFS] Move AIL pushing into it's own thread 2008-02-07 18:22:51 +11:00
xfs_trans_ail.c [XFS] 977545 977545 977545 977545 977545 977545 xfsaild causing too many 2008-03-06 16:38:17 +11:00
xfs_trans_buf.c
…
xfs_trans_extfree.c
…
xfs_trans_inode.c
…
xfs_trans_item.c [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_trans_priv.h [XFS] Move AIL pushing into it's own thread 2008-02-07 18:22:51 +11:00
xfs_trans_space.h
…
xfs_types.h
…
xfs_utils.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_utils.h [XFS] clean up vnode/inode tracing 2008-02-07 16:42:19 +11:00
xfs_vfsops.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_vfsops.h [XFS] kill xfs_root 2008-02-07 18:24:00 +11:00
xfs_vnodeops.c [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_vnodeops.h [XFS] use generic_permission 2008-02-07 18:22:38 +11:00