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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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If we specify NO_HOLES incompat feature when converting, the result
image still uses hole file extents.
And further more, the hole is incorrect as its disk_num_bytes is not
zero.
The problem is at btrfs_insert_file_extent() which doesn't check if we
are going to insert hole file extent.
Modify it to skip hole file extents to allow it follow restrict NO_HOLES
flag.
And since no_holes flag can be triggered on half-way, so current fsck
won't report such error, as it consider it as old file holes.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: Domagoj Tršan <domagoj.trsan@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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All functions already return an error condition, so the callers should
expect that.
Signed-off-by: David Sterba <dsterba@suse.com>
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kerncompat.h header file is part of libbtrfs API. min/max macros cause
conflict while building projects dependant on libbtrfs. Moving those
macros to btrfs-progs internal header file fixes the conflict.
Signed-off-by: Ondrej Kozina <okozina@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The btrfs_free_path calls btrfs_release_path internally.
Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
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A user had a fs where the objectid of an orphan item was not the actual orphan
item objectid. This screwed up fsck because the block has keys in the wrong
order, also the fs scanning stuff will freak out because we have an inode with
nlink 0 and no orphan item. So this patch is pretty big but is all related.
1) Deal with bad key ordering. We can easily fix this up, so fix the checking
stuff to tell us exactly what it found when it said there was a problem. Then
if it's bad key ordering we can reorder the keys and restart the scan.
2) Deal with bad keys. If we find an orphan item with the wrong objectid it's
likely to screw with stuff, so keep track of these sort of things with a
bad_item list and just run through and delete any objects that don't make sense.
So far we just do this for orphan items but we could extend this as new stuff
pops up.
3) Deal with missing orphan items. This is easy, if we have a file with i_nlink
set to 0 and no orphan item we can just add an orphan item.
4) Add the infrastructure to corrupt actual key values. Needed this to create a
test image to verify I was fixing things properly.
This patch fixes the corrupt image I'm adding and passes the other make test
tests. Thanks,
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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In files copied from the kernel, mark many functions as static,
and remove any resulting dead code.
Some functions are left unmarked if they aren't static in the
kernel tree.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Port of commit b3b4aa7 to userspace.
parameter tree root it's not used since commit
5f39d397dfbe140a14edecd4e73c34ce23c4f9ee ("Btrfs: Create extent_buffer
interface for large blocksizes")
This gets userspace a tad closer to kernelspace by removing
this unused parameter that was all over the codebase...
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Also remove unused path in extent-tree.c:finish_current_insert().
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Allocate fs_info::super_copy dynamically of full BTRFS_SUPER_INFO_SIZE
and use it directly for saving superblock to disk.
This fixes incorrect superblock checksum after mkfs.
Signed-off-by: David Sterba <dsterba@suse.cz>
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* Initialize ret in btrfs_csum_file_block
* Do not abort when xattr is not supported in the source directory
* Remove size limitation of 256M
* Alloc data chunk in a smaller size (8M) to make btrfs image smaller
* Let user specify the btrfs image name
Depends on below patch from samsung guys:
http://marc.info/?l=linux-btrfs&m=127858068226025&w=2
Signed-off-by: Zhong, Xin <xin.zhong@intel.com>
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==31873== Command: ./mkfs.btrfs -r /some/root/
==31873== Parent PID: 31872
==31873==
==31873== Conditional jump or move depends on uninitialised value(s)
==31873== at 0x42C3D0: add_file_items (mkfs.c:792)
==31873== by 0x42CAB3: traverse_directory (mkfs.c:948)
==31873== by 0x42CF11: make_image (mkfs.c:1047)
==31873== by 0x42DE53: main (mkfs.c:1401)
==31873== Uninitialised value was created by a stack allocation
==31873== at 0x41B1B1: btrfs_csum_file_block (file-item.c:195)
'ret' value was not initialized for 'found' branch.
The same fix sits in kernel:
> commit 639cb58675ce9b507eed9c3d6b3335488079b21a
> Author: Chris Mason <chris.mason@oracle.com>
> Date: Thu Aug 28 06:15:25 2008 -0400
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> Btrfs: Fix variable init during csum creation
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> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
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These fix a few converter problems found by the new btrfsck code.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
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This patch updates the ext3 to btrfs converter for the new
disk format. This mainly involves changing the convert's
data relocation and free space management code. This patch
also ports some functions from kernel module to btrfs-progs.
Thank you,
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
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This is the btrfs-progs version of the patch to add the ability to have
different csum algorithims. Note I didn't change the image maker since it
seemed a bit more complicated than just changing some stuff around so I will let
Yan take care of that.
Everything else was converted and for now a mkfs just
sets the type to be BTRFS_CSUM_TYPE_CRC32.
Signed-off-by: Josef Bacik <jbacik@redhat.com>
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This patch adds btrfs image tool. The image tool is
a debugging tool that creates/restores btrfs metadump
image.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
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We get lots of warnings of the flavor:
utils.c:441: warning: format '%Lu' expects type 'long long unsigned int' but argument 2 has type 'u64'
And thanks to -Werror, the build fails. Clean up these printfs
by properly casting the arg to the format specified.
Signed-off-by: Alex Chiang <achiang@hp.com>
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