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2008-07-28sh: Clean up code of Solution Engine 770xNobuhiro Iwamatsu
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Update Solution Enginge 7712 defconfigNobuhiro Iwamatsu
Enable SH-Ether support and NFS userland support. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Solution Enginge 7710/7712 SH-Ether supportNobuhiro Iwamatsu
Add support SH-Ether for Hitachi Solution Engine. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh/kernel/ cleanupsAdrian Bunk
This patch contains the following cleanups: - make the following needlessly global code static: - cf-enabler.c: cf_init() - cpu/clock.c: __clk_enable() - cpu/clock.c: __clk_disable() - process_32.c: default_idle() - time_32.c: struct clocksource_sh - timers/timer-tmu.c: struct tmu_timer_ops - remove the following unused functions (no CONFIG_BLK_DEV_FD on sh): - process_{32,64}.c: disable_hlt() - process_{32,64}.c: enable_hlt() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: make pcibios_max_latency staticAdrian Bunk
This patch makes the needlessly global pcibios_max_latency static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: make EARLY_PCI_OP's staticAdrian Bunk
This patch makes the needlessly global EARLY_PCI_OP's static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh/boards/dreamcast/rtc.c: make 2 functions staticAdrian Bunk
This patch makes the needlessly global aica_rtc_{get,set}timeofday() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28maple: tidy maple_driver code by removing redundant connect/disconnectAdrian McMenamin
The connect and disconnect functions are unnecessary - everything they do can be accomplished in the initial probe - so remove them. Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Renesas Solutions SH7763RDP board supportNobuhiro Iwamatsu
This patch adds basic support for the SH7763RDP board. This supports a basic stuff provided in SH7763, like SCIF, NOR Flash and USB host. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add SCIF2 support for SH7763.Nobuhiro Iwamatsu
SH7763 has 3 SCIF device. Current code supports SCIF0 and 1. SCIF0 and 1 are same register constitution, but only SCIF2 is different. I added support of SCIF2. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add support Renesas Solutions AP-325RXA boardYusuke Goda
This board is SH7723 base board. This has SCIF, LCDC, USB Host controler, NOR/NAND Flash, Sound, Ether and other. This patch supports SCIF, NOR Flash. Signed-off-by: Yusuke Goda <goda.yusuke@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Initial consolidation of the _32/_64 uaccess split.Paul Mundt
This consolidates everything but the bare assembly routines, which we will sync up in a follow-up patch. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Consolidate addr/access_ok across mmu/nommu on 32bit.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Use the common segment definitions for the _64 uaccess routines.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add support for 16kB PAGE_SIZE.Paul Mundt
16kB is a useful size on nommu, while 64kB still tends to be too big to be useful. Newer MMUs are likely to support this as well, so plug it in in anticipation of those, too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Support variable page sizes on nommu.Paul Mundt
PAGE_SIZE doesn't need to be fixed at 4096 on nommu, so stub in a !MMU case for the various PAGE_SIZE Kconfig options. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Consolidate segment modifiers across mmu/nommu systems.Paul Mundt
This moves get_fs/set_fs() and friends in to asm/segment.h. The mm_segment_t definition is likewise consolidated from the _32/_64 split. This is prepatory groundwork for using the generic address space limit and verification routines across mmu/nommu configs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: RSK+ 7203 board support.Paul Mundt
This adds initial support for the RTE RSK+ SH7203 board. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Make dump_task dependent on ELF core.Paul Mundt
Currently this is only linked in for CONFIG_BINFMT_ELF, make it dependent on CONFIG_ELF_CORE, so it's both selectable there and also linked in for CONFIG_BINFMT_ELF_FDPIC. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Initial ELF FDPIC support.Paul Mundt
This adds initial support for ELF FDPIC on MMU-less SH, as per version 0.2 of the ABI definition at: http://www.codesourcery.com/public/docs/sh-fdpic/sh-fdpic-abi.txt Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28binfmt_elf_fdpic: Magical stack pointer index, for NEW_AUX_ENT compat.Paul Mundt
While implementing binfmt_elf_fdpic on SH it quickly became apparent that SH was the first platform to support both binfmt_elf_fdpic and binfmt_elf, as well as the only of the FDPIC platforms to make use of the auxvt. Currently binfmt_elf_fdpic uses a special version of NEW_AUX_ENT() where the first argument is the entry displacement after csp has been adjusted, being reset after each adjustment. As we have no ability to sort this out through the platform's ARCH_DLINFO, this index needs to be managed entirely in create_elf_fdpic_tables(). Presently none of the platforms that set their own auxvt entries are able to do so through their respective ARCH_DLINFOs when using binfmt_elf_fdpic. In addition to this, binfmt_elf_fdpic has been looking at DLINFO_ARCH_ITEMS for the number of architecture-specific entries in the auxvt. This is legacy cruft, and is not defined by any platforms in-tree, even those that make heavy use of the auxvt. AT_VECTOR_SIZE_ARCH is always available, and contains the number that is of interest here, so we switch to using that unconditionally as well. As this has direct bearing on how much stack is used, platforms that have configurable (or dynamically adjustable) NEW_AUX_ENT calls need to either make AT_VECTOR_SIZE_ARCH more fine-grained, or leave it as a worst-case and live with some lost stack space if those entries aren't pushed (some platforms may also need to purposely sacrifice some space here for alignment considerations, as noted in the code -- although not an issue for any FDPIC-capable platform today). Signed-off-by: Paul Mundt <lethal@linux-sh.org> Acked-by: David Howells <dhowells@redhat.com>
2008-07-28move arch/sh/lib/io.o to obj-yAdrian Bunk
EXPORT_SYMBOL's in lib-y considered harmful: <-- snip --> ... MODPOST 1837 modules ERROR: "__raw_readsl" [drivers/ssb/ssb.ko] undefined! ERROR: "__raw_writesl" [drivers/ssb/ssb.ko] undefined! ERROR: "__raw_writesl" [drivers/net/smc91x.ko] undefined! ERROR: "__raw_readsl" [drivers/net/smc91x.ko] undefined! ERROR: "__raw_writesl" [drivers/net/3c59x.ko] undefined! ERROR: "__raw_readsl" [drivers/net/3c59x.ko] undefined! ... make[2]: *** [__modpost] Error 1 <-- snip --> Reported-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh dreamcast: export board_pci_channelsAdrian Bunk
This patch fixes the following build error: <-- snip --> ... MODPOST 1837 modules ERROR: "board_pci_channels" [drivers/pcmcia/yenta_socket.ko] undefined! ... make[2]: *** [__modpost] Error 1 <-- snip --> I freely admit that it's a pathological configuration, but as long as it is allowed it should build. Reported-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: export get_cpu_subtypeAdrian Bunk
This patch fixes the following build error: <-- snip --> ... MODPOST 1837 modules ERROR: "get_cpu_subtype" [arch/sh/oprofile/oprofile.ko] undefined! ... make[2]: *** [__modpost] Error 1 <-- snip --> Reported-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Prevent leaking of CONFIG_SUPERH32 to userspace in asm/unistd.h.Khem Raj
CONFIG_SUPERH32 is currently trickling into userspace unistd.h. Attached patch uses __SH5__ define in userspace. Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: fix seq_file memory leakLi Zefan
When using single_open(), single_release() should be used instead of seq_release(), otherwise there is a memory leak. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sparc64: Fix global reg snapshotting on self-cpu.David S. Miller
We were picking %i7 out of the wrong register window stack slot. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-28[XFS] Remove vn_revalidate calls in xfs.Christoph Hellwig
These days most of the attributes in struct inode are properly kept in sync by XFS. This patch removes the need for vn_revalidate completely by: - keeping inode.i_flags uptodate after any flags are updated in xfs_ioctl_setattr - keeping i_mode, i_uid and i_gid uptodate in xfs_setattr SGI-PV: 984566 SGI-Modid: xfs-linux-melb:xfs-kern:31679a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Now that xfs_setattr is only used for attributes set from ->setattrChristoph Hellwig
it can be switched to take struct iattr directly and thus simplify the implementation greatly. Also rename the ATTR_ flags to XFS_ATTR_ to not conflict with the ATTR_ flags used by the VFS. SGI-PV: 984565 SGI-Modid: xfs-linux-melb:xfs-kern:31678a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] xfs_setattr currently doesn't just handle the attributes set throughChristoph Hellwig
->setattr but also addition XFS-specific attributes: project id, inode flags and extent size hint. Having these in a single function makes it more complicated and forces to have us a bhv_vattr intermediate structure eating up stackspace. This patch adds a new xfs_ioctl_setattr helper for the XFS ioctls that set these attributes and remove the code to set them through xfs_setattr. SGI-PV: 984564 SGI-Modid: xfs-linux-melb:xfs-kern:31677a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] fix use after free with external logs or real-time devicesLachlan McIlroy
SGI-PV: 983806 SGI-Modid: xfs-linux-melb:xfs-kern:31666a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
2008-07-28[XFS] A bug was found in xfs_bmap_add_extent_unwritten_real(). In aTim Shimmin
particular case, the delta param which is supposed to describe the region where extents have changed was not updated appropriately. SGI-PV: 984030 SGI-Modid: xfs-linux-melb:xfs-kern:31663a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Olaf Weber <olaf@sgi.com>
2008-07-28[XFS] fix compilation without CONFIG_PROC_FSChristoph Hellwig
SGI-PV: 984019 SGI-Modid: xfs-linux-melb:xfs-kern:31408a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] s/XFS_PURGE_INODE/IRELE/g s/VN_HOLD(XFS_ITOV())/IHOLD()/Christoph Hellwig
SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31405a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] fix mount option parsing in remountChristoph Hellwig
Remount currently happily accept any option thrown at it, although the only filesystem specific option it actually handles is barrier/nobarrier. And it actually doesn't handle these correctly either because it only uses the value it parsed when we're doing a ro->rw transition. In addition to that there's also a bad bug in xfs_parseargs which doesn't touch the actual option in the mount point except for a single one, XFS_MOUNT_SMALL_INUMS and thus forced any filesystem that's every remounted in some way to not support 64bit inodes with no way to recover unless unmounted. This patch changes xfs_fs_remount to use it's own linux/parser.h based options parse instead of xfs_parseargs and reject all options except for barrier/nobarrier and to the right thing in general. Eventually I'd like to have a single big option table used for mount aswell but that can wait for a while. SGI-PV: 983964 SGI-Modid: xfs-linux-melb:xfs-kern:31382a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Disable queue flag test in barrier check.Eric Sandeen
md raid1 can pass down barriers, but does not set an ordered flag on the queue, so xfs does not even attempt a barrier write, and will never use barriers on these block devices. Remove the flag check and just let the barrier write test determine barrier support. A possible risk here is that if something does not set an ordered flag and also does not properly return an error on a barrier write... but if it's any consolation jbd/ext3/reiserfs never test the flag, and don't even do a test write, they just disable barriers the first time an actual journal barrier write fails. SGI-PV: 983924 SGI-Modid: xfs-linux-melb:xfs-kern:31377a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] streamline init/exit pathChristoph Hellwig
Currently the xfs module init/exit code is a mess. It's farmed out over a lot of function with very little error checking. This patch makes sure we propagate all initialization failures properly and clean up after them. Various runtime initializations are replaced with compile-time initializations where possible to make this easier. The exit path is similarly consolidated. There's now split out function to create/destroy the kmem zones and alloc/free the trace buffers. I've also changed the ktrace allocations to KM_MAYFAIL and handled errors resulting from that. And yes, we really should replace the XFS_*_TRACE ifdefs with a single XFS_TRACE.. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:31354a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Fix up problem when CONFIG_XFS_POSIX_ACL is not set and yet we stillTim Shimmin
can use the _ACL_TYPE_* definitions in linux-2.6/xfs_xattr.c. The forthcoming generic acl code will also fix this problem. SGI-PV: 982343 SGI-Modid: xfs-linux-melb:xfs-kern:31369a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Don't assert if trying to mount with blocksize > pagesizeLachlan McIlroy
If we don't do the blocksize/PAGESIZE check before calling xfs_sb_validate_fsb_count() we can assert if we try to mount with a blocksize > pagesize. The assert is valid so leave it and just move the blocksize/pagesize check earlier. SGI-PV: 983734 SGI-Modid: xfs-linux-melb:xfs-kern:31365a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
2008-07-28[XFS] Don't update mtime on rename sourceChristoph Hellwig
As reported by Michael-John Turner XFS updates the mtime on the source inode of a rename call in case it's a directory and changes the parent. This doesn't make any sense, is not mentioned in the standards and not performed by any other Linux filesystems so remove it. SGI-PV: 983684 SGI-Modid: xfs-linux-melb:xfs-kern:31364a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Allow xfs_bmbt_split() to fallback to the lowspace allocatorLachlan McIlroy
algorithm If xfs_bmbt_split() cannot find an AG with sufficient free space to satisfy a full extent btree split then fall back to the lowspace allocator algorithm. SGI-PV: 983338 SGI-Modid: xfs-linux-melb:xfs-kern:31359a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
2008-07-28[XFS] Restore the lowspace extent allocator algorithmLachlan McIlroy
When free space is running low the extent allocator may choose to allocate an extent from an AG without leaving sufficient space for a btree split when inserting the new extent (see where xfs_bmap_btalloc() sets minleft to 0). In this case the allocator will enable the lowspace algorithm which is supposed to allow further allocations (such as btree splits and newroots) to allocate from sequential AGs. This algorithm has been broken for a long time and this patch restores its behaviour. SGI-PV: 983338 SGI-Modid: xfs-linux-melb:xfs-kern:31358a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
2008-07-28[XFS] use minleft when allocating in xfs_bmbt_split()Lachlan McIlroy
The bmap btree split code relies on a previous data extent allocation (from xfs_bmap_btalloc()) to find an AG that has sufficient space to perform a full btree split, when inserting the extent. When converting unwritten extents we don't allocate a data extent so a btree split will be the first allocation. In this case we need to set minleft so the allocator will pick an AG that has space to complete the split(s). SGI-PV: 983338 SGI-Modid: xfs-linux-melb:xfs-kern:31357a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
2008-07-28[XFS] attrmulti cleanupChristoph Hellwig
xfs_attrmulti_by_handle currently request the size based on sizeof(attr_multiop_t) but should be using sizeof(xfs_attr_multiop_t) because that is what it is dealing with. Despite beeing wrong this actually harmless in practice because both structures are the same size on all platforms. But this sizeof was the only user of struct attr_multiop so we can just kill it. Also move the ATTR_OP_* defines xfs_attr.h into the struct xfs_attr_multiop defintion in xfs_fs.h because they are only used with that structure, and are part of the user ABI for the XFS_IOC_ATTRMULTI_BY_HANDLE ioctl. SGI-PV: 983508 SGI-Modid: xfs-linux-melb:xfs-kern:31352a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Check for invalid flags in xfs_attrlist_by_handle.Christoph Hellwig
xfs_attrlist_by_handle should only take the ATTR_ flags for the root namespaces. The ATTR_KERN* flags may change at anytime and expect special preconditions that can't be guaranteed for userspace-originating requests. For example passing down ATTR_KERNNOVAL through xfs_attrlist_by_handle will hit an assert in debug builds currently. SGI-PV: 983677 SGI-Modid: xfs-linux-melb:xfs-kern:31351a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Fix CI lookup in leaf-form directoriesBarry Naujok
Instead of comparing buffer pointers, compare buffer block numbers and don't keep buff SGI-PV: 983564 SGI-Modid: xfs-linux-melb:xfs-kern:31346a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Use the generic xattr methods.Lachlan McIlroy
Add missing file fs/xfs/linux-2.6/xfs_xattr.c SGI-PV: 982343 SGI-Modid: xfs-linux-melb:xfs-kern:31234a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Always reset btree cursor after an insertLachlan McIlroy
After a btree insert operation a cursor can be invalid due to block splits and a maybe a new root block. We reset the cursor in xfs_bmbt_insert() in the cases where we think we need to but it isn't enough as we still see assertions. Just do what we do elsewhere and reset the cursor unconditionally. Also remove the fix to revalidate the original cursor in xfs_bmbt_insert(). SGI-PV: 983336 SGI-Modid: xfs-linux-melb:xfs-kern:31342a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
2008-07-28[XFS] Convert ASSERTs to XFS_WANT_CORRUPTED_GOTOsLachlan McIlroy
ASSERTs are no good to us on a non-debug build so use XFS_WANT_CORRUPTED_GOTOs to report extent btree corruption ASAP. SGI-PV: 983500 SGI-Modid: xfs-linux-melb:xfs-kern:31338a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
2008-07-28[XFS] Fix returning case-preserved name with CI node form directoriesBarry Naujok
xfs_dir2_node_lookup() calls xfs_da_node_lookup_int() which iterates through leaf blocks containing the matching hash value for the name being looked up. Inside xfs_da_node_lookup_int(), it calls the xfs_dir2_leafn_lookup_for_entry() for each leaf block. xfs_dir2_leafn_lookup_for_entry() iterates through each matching hash/offset pair doing a name comparison to find the matching dirent. For CI mode, the state->extrablk retains the details of the block that has the CI match so xfs_dir2_node_lookup() can return the case-preserved name. The original implementation didn't retain the xfs_da_buf_t properly, so the lookup was returning a bogus name to be stored in the dentry. In the case of unlink, the bad name was passed and in debug mode, ASSERTed when it can't find the entry. SGI-PV: 983284 SGI-Modid: xfs-linux-melb:xfs-kern:31337a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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