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5163f95a08
android_kernel_xiaomi_sm8350/fs/xfs
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Barry Naujok 5163f95a08 [XFS] Name operation vector for hash and compare 
Adds two pieces of functionality for the basis of case-insensitive support
in XFS:

1. A comparison result enumerated type: xfs_dacmp. It represents an

exact match, case-insensitive match or no match at all. This patch

only implements different and exact results.

2. xfs_nameops vector for specifying how to perform the hash generation

of filenames and comparision methods. In this patch the hash vector

points to the existing xfs_da_hashname function and the comparison

method does a length compare, and if the same, does a memcmp and

return the xfs_dacmp result.

All filename functions that use the hash (create, lookup remove, rename,
etc) now use the xfs_nameops.hashname function and all directory lookup
functions also use the xfs_nameops.compname function.

The lookup functions also handle case-insensitive results even though the
default comparison function cannot return that. And important aspect of
the lookup functions is that an exact match always has precedence over a
case-insensitive. So while a case-insensitive match is found, we have to
keep looking just in case there is an exact match. In the meantime, the
info for the first case-insensitive match is retained if no exact match is
found.

SGI-PV: 981519
SGI-Modid: xfs-linux-melb:xfs-kern:31205a

Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
2008-07-28 16:58:36 +10:00
..
linux-2.6 [XFS] add missing call to xfs_filestream_unmount on xfs_mountfs failure 2008-07-28 16:58:33 +10:00
quota [XFS] Remove unused Falgs parameter from xfs_qm_dqpurge() 2008-07-28 16:58:08 +10:00
support [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
Kconfig [XFS] allow enabling CONFIG_XFS_DEBUG 2008-04-29 16:07:48 +10:00
Makefile
xfs_acl.c [XFS] Cleanup xfs_attr a bit with xfs_name and remove cred 2008-04-29 15:54:55 +10:00
xfs_acl.h
xfs_ag.h
xfs_alloc_btree.c
xfs_alloc_btree.h
xfs_alloc.c [XFS] fix logic error in xfs_alloc_ag_vextent_near() 2008-04-18 12:03:02 +10:00
xfs_alloc.h
xfs_arch.h
xfs_attr_leaf.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_attr_leaf.h
xfs_attr_sf.h [XFS] 2008-07-28 16:58:35 +10:00
xfs_attr.c [XFS] 2008-07-28 16:58:35 +10:00
xfs_attr.h [XFS] Kill attr_capable checks as already done in xattr_permission. 2008-07-28 16:58:13 +10:00
xfs_bit.c
xfs_bit.h
xfs_bmap_btree.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_bmap_btree.h
xfs_bmap.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_bmap.h [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_btree.c
xfs_btree.h
xfs_buf_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_buf_item.h
xfs_clnt.h [XFS] Fix up noattr2 so that it will properly update the versionnum and 2008-07-28 16:58:05 +10:00
xfs_da_btree.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_da_btree.h [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dfrag.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dfrag.h
xfs_dinode.h
xfs_dir2_block.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_block.h
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_dir2_leaf.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_leaf.h
xfs_dir2_node.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_node.h
xfs_dir2_sf.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_sf.h
xfs_dir2_trace.c
xfs_dir2_trace.h
xfs_dir2.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2.h [XFS] remove bhv_vname_t and xfs_rename code 2008-04-18 12:00:12 +10:00
xfs_dmapi.h
xfs_dmops.c
xfs_error.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_error.h
xfs_extfree_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_extfree_item.h
xfs_filestream.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_filestream.h
xfs_fs.h
xfs_fsops.c [XFS] Don't double count reserved block changes on UP. 2008-04-29 15:58:27 +10:00
xfs_fsops.h
xfs_ialloc_btree.c
xfs_ialloc_btree.h
xfs_ialloc.c [XFS] Don't initialise new inode generation numbers to zero 2008-04-29 15:58:56 +10:00
xfs_ialloc.h
xfs_iget.c [XFS] shrink mrlock_t 2008-04-29 15:54:02 +10:00
xfs_imap.h
xfs_inode_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_inode_item.h
xfs_inode.c [XFS] kill xfs_igrow_start and xfs_igrow_finish 2008-07-28 16:58:18 +10:00
xfs_inode.h [XFS] kill xfs_igrow_start and xfs_igrow_finish 2008-07-28 16:58:18 +10:00
xfs_inum.h
xfs_iomap.c [XFS] Fix check for block zero access in xfs_write_iomap_allocate() 2008-04-29 15:58:40 +10:00
xfs_iomap.h
xfs_itable.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_itable.h
xfs_log_priv.h [XFS] Convert l_flushsema to a sv_t 2008-07-28 16:58:12 +10:00
xfs_log_recover.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_log_recover.h
xfs_log.c [XFS] Convert l_flushsema to a sv_t 2008-07-28 16:58:12 +10:00
xfs_log.h [XFS] Sanitise xfs_log_force error checking. 2008-04-18 12:02:20 +10:00
xfs_mount.c [XFS] kill xfs_mount_init 2008-07-28 16:58:29 +10:00
xfs_mount.h [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_mru_cache.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_mru_cache.h
xfs_qmops.c
xfs_quota.h
xfs_refcache.h
xfs_rename.c [XFS] kill usesless IHOLD calls in xfs_rename 2008-04-29 15:54:24 +10:00
xfs_rtalloc.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_rtalloc.h
xfs_rw.c [XFS] Sanitise xfs_log_force error checking. 2008-04-18 12:02:20 +10:00
xfs_rw.h
xfs_sb.h [XFS] Fix up noattr2 so that it will properly update the versionnum and 2008-07-28 16:58:05 +10:00
xfs_trans_ail.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_trans_buf.c [XFS] Ensure errors from xfs_bdstrat() are correctly checked. 2008-04-18 12:00:24 +10:00
xfs_trans_extfree.c
xfs_trans_inode.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans_priv.h
xfs_trans_space.h
xfs_trans.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans.h [XFS] Replace custom AIL linked-list code with struct list_head 2008-04-18 11:41:57 +10:00
xfs_types.h [XFS] remove bhv_vname_t and xfs_rename code 2008-04-18 12:00:12 +10:00
xfs_utils.c [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_utils.h [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_vfsops.c [XFS] merge xfs_mount into xfs_fs_fill_super 2008-07-28 16:58:21 +10:00
xfs_vfsops.h [XFS] merge xfs_mount into xfs_fs_fill_super 2008-07-28 16:58:21 +10:00
xfs_vnodeops.c [XFS] kill xfs_igrow_start and xfs_igrow_finish 2008-07-28 16:58:18 +10:00
xfs_vnodeops.h [XFS] Fix fsync() b0rkage. 2008-05-23 15:25:25 +10:00
xfs.h [XFS] Fix broken HAVE_SPLICE removal commit. 2008-04-29 15:57:49 +10:00