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linux_dsm_epyc7002/fs/xfs
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Dave Chinner 74e2d06521 Long btree pointers are still 64 bit on disk 
[XFS] Long btree pointers are still 64 bit on disk

On 32 bit machines with CONFIG_LBD=n, XFS reduces the
in memory size of xfs_fsblock_t to 32 bits so that it
will fit within 32 bit addressing. However, the disk format
for long btree pointers are still 64 bits in size.

The recent btree rewrite failed to take this into account
when initialising new btree blocks, setting sibling pointers
to NULL and checking if they are NULL. Hence checking whether
a 64 bit NULL was the same as a 32 bit NULL was failingi
resulting in NULL sibling pointers failing to be detected
correctly. This showed up as WANT_CORRUPTED_GOTO shutdowns
in xfs_btree_delrec.

Fix this by making all the comparisons and setting of long
pointer btree NULL blocks to the disk format, not the
in memory format. i.e. use NULLDFSBNO.

Reported-by: Alexander Beregalov <a.beregalov@gmail.com>
Reported-by: Jacek Luczak <difrost.kernel@gmail.com>
Reported-by: Danny ter Haar <dth@dth.net>
Tested-by: Jacek Luczak <difrost.kernel@gmail.com>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-01-22 01:23:11 -06:00
..
linux-2.6 xfs: fix bad_features2 fixups for the root filesystem 2009-01-19 14:45:04 +11:00
quota [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
support [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
Kconfig xfs: fix dentry aliasing issues in open_by_handle 2009-01-19 14:43:18 +11:00
Makefile move inode tracing out of xfs_vnode. 2008-12-04 15:39:25 +11:00
xfs_acl.c CRED: Wrap task credential accesses in the XFS filesystem 2008-11-14 10:39:04 +11:00
xfs_acl.h [XFS] Remove several unused typedefs. 2009-01-09 15:46:16 +11:00
xfs_ag.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_alloc_btree.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_alloc_btree.h [XFS] Always use struct xfs_btree_block instead of short / longform 2008-10-30 17:14:34 +11:00
xfs_alloc.c [XFS] factor out xfs_read_agf helper 2008-12-01 11:37:20 +11:00
xfs_alloc.h [XFS] Sync up kernel and user-space headers 2008-10-30 17:05:38 +11:00
xfs_arch.h [XFS] Sync up kernel and user-space headers 2008-10-30 17:05:38 +11:00
xfs_attr_leaf.c [XFS] Remove macro-to-function indirections in attr code 2009-01-09 15:46:44 +11:00
xfs_attr_leaf.h [XFS] Remove macro-to-function indirections in attr code 2009-01-09 15:46:44 +11:00
xfs_attr_sf.h [XFS] 2008-07-28 16:58:35 +10:00
xfs_attr.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_attr.h [XFS] Move attr log alloc size calculator to another function. 2008-08-13 16:03:35 +10:00
xfs_bit.c [XFS] Use the generic bitops rather than implementing them ourselves. 2008-08-13 15:41:12 +10:00
xfs_bit.h [XFS] Remove macro-to-function indirections in the mask code 2009-01-09 15:53:54 +11:00
xfs_bmap_btree.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_bmap_btree.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_bmap.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_bmap.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_btree_trace.c [XFS] make btree tracing generic 2008-10-30 16:58:50 +11:00
xfs_btree_trace.h [XFS] make btree tracing generic 2008-10-30 16:58:50 +11:00
xfs_btree.c Long btree pointers are still 64 bit on disk 2009-01-22 01:23:11 -06:00
xfs_btree.h [XFS] Always use struct xfs_btree_block instead of short / longform 2008-10-30 17:14:34 +11:00
xfs_buf_item.c [XFS] Remove XFS_BUF_SHUT() and friends 2008-12-22 17:52:58 +11:00
xfs_buf_item.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_da_btree.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_da_btree.h [XFS] Sync up kernel and user-space headers 2008-10-30 17:05:38 +11:00
xfs_dfrag.c [XFS] Move copy_from_user calls out of ioctl helpers into ioctl switch. 2008-12-02 17:08:01 +11:00
xfs_dfrag.h [XFS] Move copy_from_user calls out of ioctl helpers into ioctl switch. 2008-12-02 17:08:01 +11:00
xfs_dinode.h [XFS] kill XFS_DINODE_VERSION_ defines 2008-12-01 11:37:42 +11:00
xfs_dir2_block.c [XFS] truncate readdir offsets to signed 32 bit values 2009-01-09 16:18:24 +11:00
xfs_dir2_block.h [XFS] use filldir internally 2007-10-15 16:49:49 +10:00
xfs_dir2_data.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_data.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_leaf.c [XFS] truncate readdir offsets to signed 32 bit values 2009-01-09 16:18:24 +11:00
xfs_dir2_leaf.h [XFS] use filldir internally 2007-10-15 16:49:49 +10:00
xfs_dir2_node.c [XFS] Fix returning case-preserved name with CI node form directories 2008-07-28 16:59:01 +10:00
xfs_dir2_node.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_sf.c [XFS] truncate readdir offsets to signed 32 bit values 2009-01-09 16:18:24 +11:00
xfs_dir2_sf.h [XFS] kill xfs_dinode_core_t 2008-12-01 11:37:35 +11:00
xfs_dir2_trace.c [XFS] Add op_flags field and helpers to xfs_da_args 2008-07-28 16:58:37 +10:00
xfs_dir2_trace.h [XFS] Update license/copyright notices to match the prefered SGI 2005-11-02 14:58:39 +11:00
xfs_dir2.c [XFS] Account for allocated blocks when expanding directories 2008-11-10 17:51:14 +11:00
xfs_dir2.h [XFS] Return case-insensitive match for dentry cache 2008-07-28 16:58:40 +10:00
xfs_dmapi.h removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
xfs_dmops.c [XFS] kill struct xfs_mount_args 2008-10-30 17:53:24 +11:00
xfs_error.c [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
xfs_error.h [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
xfs_extfree_item.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_extfree_item.h [XFS] cleanup the field types of some item format structures 2006-09-28 10:55:43 +10:00
xfs_filestream.c [XFS] Use KM_NOFS for debug trace buffers 2008-08-13 16:51:57 +10:00
xfs_filestream.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_fs.h filesystem freeze: remove XFS specific ioctl interfaces for freeze feature 2009-01-09 16:54:42 -08:00
xfs_fsops.c filesystem freeze: add error handling of write_super_lockfs/unlockfs 2009-01-09 16:54:42 -08:00
xfs_fsops.h filesystem freeze: add error handling of write_super_lockfs/unlockfs 2009-01-09 16:54:42 -08:00
xfs_ialloc_btree.c [XFS] Always use struct xfs_btree_block instead of short / longform 2008-10-30 17:14:34 +11:00
xfs_ialloc_btree.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_ialloc.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_ialloc.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_iget.c move inode tracing out of xfs_vnode. 2008-12-04 15:39:25 +11:00
xfs_inode_item.c [XFS] embededd struct xfs_imap into xfs_inode 2008-12-01 11:38:08 +11:00
xfs_inode_item.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_inode.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_inode.h [XFS] Fix merge failures 2008-12-29 16:47:18 +11:00
xfs_inum.h [XFS] Update license/copyright notices to match the prefered SGI 2005-11-02 14:58:39 +11:00
xfs_iomap.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_iomap.h [XFS] kill unnessecary ioops indirection 2008-02-07 16:44:14 +11:00
xfs_itable.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_itable.h [XFS] Fix xfs_bulkstat_one size checks & error handling 2008-12-02 17:16:03 +11:00
xfs_log_priv.h [XFS] sanitize xlog_in_core_t definition 2008-12-01 11:37:25 +11:00
xfs_log_recover.c [XFS] replace b_fspriv with b_mount 2008-12-11 13:13:33 +11:00
xfs_log_recover.h [XFS] Update license/copyright notices to match the prefered SGI 2005-11-02 14:58:39 +11:00
xfs_log.c reduce l_icloglock roundtrips 2008-12-04 15:39:21 +11:00
xfs_log.h [XFS] Fix double free of log tickets 2008-11-17 17:37:10 +11:00
xfs_mount.c xfs: fix bad_features2 fixups for the root filesystem 2009-01-19 14:45:04 +11:00
xfs_mount.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_mru_cache.c [XFS] streamline init/exit path 2008-07-28 16:59:25 +10:00
xfs_mru_cache.h [XFS] On-demand reaping of the MRU cache 2007-09-17 16:42:02 +10:00
xfs_qmops.c [XFS] kill struct xfs_mount_args 2008-10-30 17:53:24 +11:00
xfs_quota.h kill dead quota flags 2008-12-04 15:39:22 +11:00
xfs_refcache.h [XFS] Cleanup cosmetic differences between source trees. 2005-11-03 16:14:31 +11:00
xfs_rename.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_rtalloc.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +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] replace b_fspriv with b_mount 2008-12-11 13:13:33 +11:00
xfs_rw.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_sb.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_trans_ail.c [XFS] correctly select first log item to push 2008-10-30 18:26:51 +11:00
xfs_trans_buf.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans_extfree.c [XFS] Radix tree based inode caching 2007-10-15 16:50:50 +10:00
xfs_trans_inode.c use xfs_trans_ijoin in xfs_trans_iget 2008-12-04 15:39:23 +11:00
xfs_trans_item.c [XFS] Add ail pointer into log items 2008-10-30 17:39:46 +11:00
xfs_trans_priv.h [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans_space.h [XFS] Remove version 1 directory code. Never functioned on Linux, just 2006-06-20 13:04:51 +10:00
xfs_trans.c [XFS] Fix double free of log tickets 2008-11-17 17:37:10 +11:00
xfs_trans.h [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_types.h [XFS] make xfs_ino_t an unsigned long long 2009-01-09 16:19:14 +11:00
xfs_utils.c [XFS] kill XFS_DINODE_VERSION_ defines 2008-12-01 11:37:42 +11:00
xfs_utils.h [XFS] implement IHOLD/IRELE directly 2008-08-13 16:13:45 +10:00
xfs_vnodeops.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_vnodeops.h [XFS] Fix merge failures 2008-12-29 16:47:18 +11:00
xfs.h [XFS] make btree tracing generic 2008-10-30 16:55:13 +11:00