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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/fs/xfs
История
Dave Chinner 321a95839e xfs: fix incorrect remote symlink block count 
When CRCs are enabled, the number of blocks needed to hold a remote
symlink on a 1k block size filesystem may be 2 instead of 1. The
transaction reservation for the allocated blocks was not taking this
into account and only allocating one block. Hence when trying to
read or invalidate such symlinks, we are mapping a hole where there
should be a block and things go bad at that point.

Fix the reservation to use the correct block count, clean up the
block count calculation similar to the remote attribute calculation,
and add a debug guard to detect when we don't write the entire
symlink to disk.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
 		2013-05-30 12:37:04 -05:00
..
Kconfig xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
Makefile xfs: split remote attribute code out 2013-04-27 12:49:32 -05:00
kmem.c xfs: switch to proper __bitwise type for KM_... flags 2012-05-29 23:28:32 -04:00
kmem.h xfs: switch to proper __bitwise type for KM_... flags 2012-05-29 23:28:32 -04:00
mrlock.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
time.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
uuid.c xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
uuid.h xfs: add CRC infrastructure 2012-11-19 20:11:24 -06:00
xfs.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_acl.c userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr 2012-09-18 01:01:35 -07:00
xfs_acl.h xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not set 2011-08-01 02:35:04 -04:00
xfs_ag.h xfs: add CRC checks to the AGI 2013-04-21 14:57:43 -05:00
xfs_alloc.c xfs: Avoid pathological backwards allocation 2013-05-20 13:09:11 -05:00
xfs_alloc.h xfs: convert buffer verifiers to an ops structure. 2012-11-15 21:35:12 -06:00
xfs_alloc_btree.c xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_alloc_btree.h xfs: add support for large btree blocks 2013-04-21 14:53:46 -05:00
xfs_aops.c xfs: fix sub-page blocksize data integrity writes 2013-05-20 14:14:25 -05:00
xfs_aops.h Prefix IO_XX flags with XFS_IO_XX to avoid namespace colision. 2012-07-22 11:00:55 -05:00
xfs_attr.c xfs: split remote attribute code out 2013-04-27 12:49:32 -05:00
xfs_attr.h xfs: split remote attribute code out 2013-04-27 12:49:32 -05:00
xfs_attr_leaf.c xfs: rework remote attr CRCs 2013-05-23 18:04:06 -05:00
xfs_attr_leaf.h xfs: add CRCs to attr leaf blocks 2013-04-27 12:45:01 -05:00
xfs_attr_remote.c xfs: rework remote attr CRCs 2013-05-23 18:04:06 -05:00
xfs_attr_remote.h xfs: rework remote attr CRCs 2013-05-23 18:04:06 -05:00
xfs_attr_sf.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_bit.c
…
xfs_bit.h [XFS] Remove macro-to-function indirections in the mask code 2009-01-09 15:53:54 +11:00
xfs_bmap.c xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_bmap.h xfs: move allocation stack switch up to xfs_bmapi_allocate 2012-10-18 17:42:48 -05:00
xfs_bmap_btree.c xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_bmap_btree.h xfs: add support for large btree blocks 2013-04-21 14:53:46 -05:00
xfs_btree.c xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_btree.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_buf.c xfs: rework remote attr CRCs 2013-05-23 18:04:06 -05:00
xfs_buf.h xfs: use b_maps[] for discontiguous buffers 2013-01-16 16:07:11 -06:00
xfs_buf_item.c xfs: recheck buffer pinned status after push trylock failure 2013-02-14 17:23:42 -06:00
xfs_buf_item.h xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_cksum.h xfs: add CRC infrastructure 2012-11-19 20:11:24 -06:00
xfs_da_btree.c xfs: xfs_da3_node_read_verify() doesn't handle XFS_ATTR3_LEAF_MAGIC 2013-05-20 16:32:30 -05:00
xfs_da_btree.h xfs: add buffer types to directory and attribute buffers 2013-04-27 13:01:06 -05:00
xfs_dfrag.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
xfs_dfrag.h xfs: clean up inconsistent variable naming in xfs_swap_extent 2010-01-15 15:31:23 -06:00
xfs_dinode.h xfs: add version 3 inode format with CRCs 2013-04-21 15:03:33 -05:00
xfs_dir2.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2.h xfs: reshuffle dir2 headers 2011-07-13 13:43:48 +02:00
xfs_dir2_block.c xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_dir2_data.c xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_dir2_format.h xfs: shortform directory offsets change for dir3 format 2013-04-27 12:24:32 -05:00
xfs_dir2_leaf.c xfs: fix missing KM_NOFS tags to keep lockdep happy 2013-05-20 16:18:05 -05:00
xfs_dir2_node.c xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_dir2_priv.h xfs: add buffer types to directory and attribute buffers 2013-04-27 13:01:06 -05:00
xfs_dir2_sf.c xfs: shortform directory offsets change for dir3 format 2013-04-27 12:24:32 -05:00
xfs_discard.c xfs: check for possible overflow in xfs_ioc_trim 2012-08-23 14:48:44 -05:00
xfs_discard.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
xfs_dquot.c xfs: add CRC checks for quota blocks 2013-04-21 14:58:22 -05:00
xfs_dquot.h xfs: xfs_dquot prealloc throttling watermarks and low free space 2013-03-22 16:06:30 -05:00
xfs_dquot_item.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_dquot_item.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
xfs_error.c xfs: increase hexdump output in xfs_corruption_error 2013-04-21 14:48:41 -05:00
xfs_error.h xfs: kill support/debug.[ch] 2011-03-07 10:09:35 +11:00
xfs_export.c fs: encode_fh: return FILEID_INVALID if invalid fid_type 2013-02-26 02:46:10 -05:00
xfs_export.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
xfs_extent_busy.c xfs: make xfs_extent_busy_trim not static 2012-05-14 16:21:04 -05:00
xfs_extent_busy.h xfs: make xfs_extent_busy_trim not static 2012-05-14 16:21:04 -05:00
xfs_extfree_item.c xfs: Don't reference the EFI after it is freed 2013-05-20 14:29:34 -05:00
xfs_extfree_item.h xfs: don't free EFIs before the EFDs are committed 2013-04-05 13:25:35 -05:00
xfs_file.c aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
xfs_filestream.c xfs: rename allocation range fields in struct xfs_bmalloca 2011-10-11 21:15:06 -05:00
xfs_filestream.h xfs: clean up filestreams helpers 2010-07-26 13:16:51 -05:00
xfs_fs.h xfs: add minimum file size filtering to eofblocks scan 2012-11-08 15:32:29 -06:00
xfs_fsops.c xfs: add CRC checks to the AGI 2013-04-21 14:57:43 -05:00
xfs_fsops.h xfs: ensure log covering transactions are synchronous 2011-01-11 20:28:17 -06:00
xfs_globals.c xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_ialloc.c xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_ialloc.h xfs: convert buffer verifiers to an ops structure. 2012-11-15 21:35:12 -06:00
xfs_ialloc_btree.c xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_ialloc_btree.h xfs: add support for large btree blocks 2013-04-21 14:53:46 -05:00
xfs_icache.c xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_icache.h xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_inode.c xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_inode.h xfs: add version 3 inode format with CRCs 2013-04-21 15:03:33 -05:00
xfs_inode_item.c xfs: add version 3 inode format with CRCs 2013-04-21 15:03:33 -05:00
xfs_inode_item.h xfs remove the XFS_TRANS_DEBUG routines 2012-12-17 16:29:00 -06:00
xfs_inum.h xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_ioctl.c xfs: fallback to vmalloc for large buffers in xfs_attrlist_by_handle 2013-05-07 18:56:38 -05:00
xfs_ioctl.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
xfs_ioctl32.c xfs: fallback to vmalloc for large buffers in xfs_compat_attrlist_by_handle 2013-05-07 19:00:10 -05:00
xfs_ioctl32.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
xfs_iomap.c xfs: xfs_iomap_prealloc_size() tracepoint 2013-03-22 16:07:56 -05:00
xfs_iomap.h xfs: kill xfs_iomap 2010-12-16 16:05:51 -06:00
xfs_iops.c xfs: remove xfs_flush_pages 2012-11-14 15:12:45 -06:00
xfs_iops.h xfs: remove subdirectories 2011-08-12 16:21:35 -05:00
xfs_itable.c xfs: convert buffer verifiers to an ops structure. 2012-11-15 21:35:12 -06:00
xfs_itable.h xfs: remove block number from inode lookup code 2010-06-24 11:35:17 +10:00
xfs_linux.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_log.c xfs: rename random32() to prandom_u32() 2013-03-07 12:33:57 -06:00
xfs_log.h xfs: xfs_quiesce_attr() should quiesce the log like unmount 2012-10-17 13:39:14 -05:00
xfs_log_cil.c xfs: fix missing KM_NOFS tags to keep lockdep happy 2013-05-20 16:18:05 -05:00
xfs_log_priv.h xfs: Remove the obsolete XLOG_CIL_HARD_SPACE_LIMIT() macros 2013-04-16 13:18:33 -05:00
xfs_log_recover.c xfs: fix da node magic number mismatches 2013-05-01 14:48:30 -05:00
xfs_log_recover.h xfs: Clean up XFS_BLI_* flag namespace 2010-05-24 10:33:39 -05:00
xfs_message.c xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_message.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_mount.c xfs: don't emit v5 superblock warnings on write 2013-05-30 12:24:19 -05:00
xfs_mount.h xfs: add CRC checks to the superblock 2013-04-27 13:03:12 -05:00
xfs_mru_cache.c xfs: convert to alloc_workqueue() 2011-02-01 11:42:43 +01:00
xfs_mru_cache.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_qm.c xfs: add CRC checks for quota blocks 2013-04-21 14:58:22 -05:00
xfs_qm.h xfs: add CRC checks for quota blocks 2013-04-21 14:58:22 -05:00
xfs_qm_bhv.c xfs: Remove boolean_t typedef completely. 2013-01-17 17:32:57 -06:00
xfs_qm_syscalls.c xfs: avoid nesting transactions in xfs_qm_scall_setqlim() 2013-05-21 13:57:05 -05:00
xfs_quota.h xfs: add CRC checks for quota blocks 2013-04-21 14:58:22 -05:00
xfs_quota_priv.h xfs: use per-filesystem radix trees for dquot lookup 2012-03-14 11:09:06 -05:00
xfs_quotaops.c userns: Convert qutoactl 2012-09-18 01:01:39 -07:00
xfs_rename.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_rtalloc.c xfs: uncached buffer reads need to return an error 2012-11-15 21:34:05 -06:00
xfs_rtalloc.h xfs: Remove the macro XFS_BUF_PTR 2011-07-25 15:03:13 -05:00
xfs_sb.h xfs: implement extended feature masks 2013-04-27 13:05:18 -05:00
xfs_stats.c xfs: use common code for quota statistics 2012-03-14 11:09:06 -05:00
xfs_stats.h xfs: use common code for quota statistics 2012-03-14 11:09:06 -05:00
xfs_super.c fs: Limit sys_mount to only request filesystem modules. 2013-03-03 19:36:31 -08:00
xfs_super.h xfs: xfs_sync_data is redundant. 2012-10-17 12:01:25 -05:00
xfs_symlink.c xfs: fix incorrect remote symlink block count 2013-05-30 12:37:04 -05:00
xfs_symlink.h xfs: add CRC checks to remote symlinks 2013-04-27 11:49:28 -05:00
xfs_sysctl.c xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_sysctl.h xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_trace.c xfs: add CRCs to dir2/da node blocks 2013-04-27 12:33:38 -05:00
xfs_trace.h xfs: xfs_iomap_prealloc_size() tracepoint 2013-03-22 16:07:56 -05:00
xfs_trans.c xfs: refactor space log reservation for XFS_TRANS_ATTR_SET 2013-02-01 14:56:31 -06:00
xfs_trans.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_trans_ail.c xfs remove the XFS_TRANS_DEBUG routines 2012-12-17 16:29:00 -06:00
xfs_trans_buf.c xfs: buffer type overruns blf_flags field 2013-04-27 13:01:58 -05:00
xfs_trans_dquot.c xfs: pass xfs_dquot to xfs_qm_adjust_dqlimits() instead of xfs_disk_dquot_t 2013-03-22 16:05:52 -05:00
xfs_trans_extfree.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_trans_inode.c xfs remove the XFS_TRANS_DEBUG routines 2012-12-17 16:29:00 -06:00
xfs_trans_priv.h xfs: re-enable xfsaild idle mode and fix associated races 2012-07-29 16:27:57 -05:00
xfs_trans_space.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_types.h xfs: Remove boolean_t typedef completely. 2013-01-17 17:32:57 -06:00
xfs_utils.c xfs: remove the alloc_done argument to xfs_dialloc 2012-07-29 16:00:31 -05:00
xfs_utils.h xfs: propagate umode_t 2012-01-03 22:55:00 -05:00
xfs_vnode.h xfs: remove remaining scraps of struct xfs_iomap 2012-03-15 13:40:16 -05:00
xfs_vnodeops.c xfs: fix rounding in xfs_free_file_space 2013-05-20 14:25:50 -05:00
xfs_vnodeops.h xfs: byte range granularity for XFS_IOC_ZERO_RANGE 2012-11-29 14:21:46 -06:00
xfs_xattr.c xfs: remove subdirectories 2011-08-12 16:21:35 -05:00