Zach Brown [Tue, 22 Jan 2013 21:58:20 +0000 (13:58 -0800)]
btrfs-progs: impossible BUG_ON meant to test empty
old_left_nritems is unsigned so BUG_ON(old_left_nritems < 0) is
impossible. Presumably the BUG_ON() meant to test that it wasn't 0 so
that btrfs_item_offset_nr() doesn't get a nr of -1.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 21:48:04 +0000 (13:48 -0800)]
btrfs-progs: check for open failure, don't close
Check for failure by testing for a negative file descriptor, not a
descriptor of 0. And if it failed we have nothing to close().
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 21:42:16 +0000 (13:42 -0800)]
btrfs-progs: don't close(<0) in subvol create
Don't try to close an fd immediately after discovering that opening it
failed.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 21:36:47 +0000 (13:36 -0800)]
btrfs-progs: don't return -EBUSY from main()
-EBUSY is platform dependent and is even less reliable when truncated to
a u8. Just return 1 on error.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 01:11:28 +0000 (17:11 -0800)]
btrfs-progs: don't close(-1)
When opening the fd fails just return instead of taking the shared error
path that tries to close() the fd.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 00:52:15 +0000 (16:52 -0800)]
btrfs-progs: break after printing FREE_INO
The free inode objectid would be printed as "FREE_INOQUOTA_TREE" because
of a missing break.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 00:34:03 +0000 (16:34 -0800)]
btrfs-progs: don't free null path
btrfs_free_path() derefs the path before freeing it. It can't be passed
a null pointer when allocation fails.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Tue, 22 Jan 2013 00:25:51 +0000 (16:25 -0800)]
btrfs-progs: remove dead code that checks null eb
'next' can never be non-null in the body of these loops. It's
initialized to NULL and the loop is terminated the moment it is set.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Fri, 18 Jan 2013 00:36:48 +0000 (16:36 -0800)]
btrfs-progs: fix copy-n-paste error checking
copy_one_inline() meant to test the return of pwrite() with ram_size.
Presumably the comparison with len was copied from the test earlier in
the function.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Fri, 18 Jan 2013 00:32:41 +0000 (16:32 -0800)]
btrfs-progs: remove unused info_fd
finish_subvol() initializes and tests info_fd but it is never used.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Thu, 17 Jan 2013 23:23:10 +0000 (15:23 -0800)]
btrfs-progs: use ftw() unstead of system("du")
size_sourcedir() uses shockingly bad code to try and estimate the size
of the files and directories in a subtree.
- Its use of snprintf(), strcat(), and sscanf() with arbitrarily small
on-stack buffers manages to overflow the stack a few times when given
long file names.
$ BIG=$(perl -e 'print "a" x 200')
$ mkdir -p /tmp/$BIG/$BIG/$BIG/$BIG/$BIG
$ mkfs.btrfs /tmp/img -r /tmp/$BIG/$BIG/$BIG/$BIG/$BIG
*** stack smashing detected ***: mkfs.btrfs terminated
- It passes raw paths to system() allowing interpreting file names as
shell control characters.
$ mkfs.btrfs /tmp/img -r /tmp/spacey\ dir/
du: cannot access `/tmp/spacey': No such file or directory
du: cannot access `dir/': No such file or directory
- It redirects du output to "temp_file" in the current directory,
allowing overwriting of files through symlinks.
$ echo hi > target
$ ln -s target temp_file
$ mkfs.btrfs /tmp/img -r /tmp/somedir/
$ cat target
3 /tmp/somedir/
This fixes the worst problems while maintaining -r functionality by
tearing out the system() code and using ftw() to walk the source tree
and sum up st.st_size.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Thu, 17 Jan 2013 21:24:35 +0000 (13:24 -0800)]
btrfs-progs: more carefully check eb backrefs
check_owner_ref() could deref a null path node if btrfs_search_slot()
fails or simply doesn't find a tree tall enough to get to the parent of
the desired block.
This was flagged by static analysis warning that btrfs_search_slot()'s
return value wasn't being checked.
Signed-off-by: Zach Brown <zab@redhat.com>
Again: caught by static analysis.
Zach Brown [Thu, 17 Jan 2013 20:06:29 +0000 (12:06 -0800)]
btrfs-progs: return error from commit_tree_roots()
Errors cow-ing the root block are silently being dropped. This is
just a step towards error handling because both the caller and calee
assert on errors.
Signed-off-by: Zach Brown <zab@redhat.com>
Zach Brown [Thu, 17 Jan 2013 19:54:47 +0000 (11:54 -0800)]
btrfs-progs: treat super.magic as an le64
The super block magic is a le64 whose value looks like an unterminated
string in memory. The lack of null termination leads to clumsy use of
string functions and causes static analysis tools to warn that the
string will be unterminated.
So let's just treat it as the le64 that it is. Endian wrappers are used
on the constant so that they're compiled into run-time constants.
Signed-off-by: Zach Brown <zab@redhat.com>
Josef Bacik [Fri, 1 Feb 2013 17:00:32 +0000 (12:00 -0500)]
Btrfs-progs: use btrfs_lookup_first_block_group when fixing accounting
This was a bug from long time ago that never actually got fixed. We start
with bytenr 0 when looping through all of the block groups, but
btrfs_lookup_block_group will bail out since it couldn't find a block group
with 0 as the bytenr. Btrfs_lookup_first_block_group will be nice and
adjust the start up to the right value, so this way we reset all the block
groups properly and not screw up the users block group accounting. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Anand Jain [Thu, 25 Oct 2012 08:00:31 +0000 (16:00 +0800)]
Btrfs-progs: dont print uuid unless -u option is given
unless it was intentional to include uuid when -s
option is (show snapshot only) given, we would need
this break statement.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Dieter Ries [Sun, 14 Oct 2012 15:17:19 +0000 (17:17 +0200)]
btrfs-progs: btrfsck: Print which filesystem to be checked to stdout
This patch makes btrfsck print the filesystem, which is to be checked,
to stdout, as well as the UUID of the corresponding partition.
This should be helpful when analyzing (copied and pasted) output of
btrfsck.
Signed-off-by: Dieter Ries <mail@dieterries.net>
David Sterba [Fri, 1 Feb 2013 16:37:29 +0000 (17:37 +0100)]
btrfs-progs: update man pages of subvol list
- rename to match code where applicable
- add missing options
- unify the help strings in short and detailed sections
- fix a few typos
Signed-off-by: David Sterba <dsterba@suse.cz>
David Sterba [Fri, 1 Feb 2013 16:19:49 +0000 (17:19 +0100)]
btrfs-progs: add option c to show ogeneration
This will also pair the 'C' filter.
Signed-off-by: David Sterba <dsterba@suse.cz>
David Sterba [Tue, 9 Oct 2012 16:27:53 +0000 (18:27 +0200)]
btrfs-progs: add option g to show generation
Add 'g' to pair the 'G' filter.
Signed-off-by: David Sterba <dsterba@suse.cz>
David Sterba [Tue, 9 Oct 2012 16:27:52 +0000 (18:27 +0200)]
btrfs-progs: upcase filter options
Rename filter options in 'subvol list' subcommand, that way we can
distinguish them from the options that just show some option in the
output and can have a matching uppercase filter.
Signed-off-by: David Sterba <dsterba@suse.cz>
Anand Jain [Fri, 1 Feb 2013 07:56:32 +0000 (15:56 +0800)]
Btrfs-progs: add subvol flags to print
This patch adds the flags row which as of now will show if the
subvol/snapshot is readonly.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:31 +0000 (15:56 +0800)]
Btrfs-progs: Fix a small memory leak in managing the btrfs list filter
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:30 +0000 (15:56 +0800)]
Btrfs-progs: update btrfs_get_subvol to be inline with resolve_root ret changes
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Wang Shilong [Fri, 1 Feb 2013 07:56:29 +0000 (15:56 +0800)]
Btrfs-progs: filter the deleted subvolumes when listing snapshots
btrfs snapshot list command will stop by the deleted subvolumes.
The problem may happen by two ways:
1. a subvolume deletion is not commited, that is ROOT_BACKREF has been deleted,
but ROOT_ITEM still exists. The command will fail to fill the path of
the deleted subvolumes because we can not get the parent fs/file tree.
2. a subvolume is possibly deleted when we fill the path, For example,
Fs tree
|->subv0
|->subv1
We may fill the path of subv1 firstly, after that, some user deletes subv1
and subv0, and then we fill the path of subv0. The command will fail to
fill the path of subv0 because we can not get path of subv0. And the command
also will fail to make the full path of subv1 because we don't have the path
of subv0.
Since these subvolumes have been deleted, we should filter them. This patch
fixed the above problem by this way.
For the 1st case, ->ref_tree of the deleted subvolumes are 0.
For the 2nd case, if we found the error number that ioctl() returns is ENOENT,
we will set ->ref_tree to 0.
And when we make the full path of the subvolumes, we will check ->ref_tree of
them and their parent. If someone's ->ref_tree or its parent's ->ref_tree is 0,
we will filter it.
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:28 +0000 (15:56 +0800)]
Btrfs-progs: add show subcommand to subvol cli
This adds show sub-command to the btrfs subvol cli
to display detailed inforamtion of the given subvol
or snapshot.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:27 +0000 (15:56 +0800)]
Btrfs-progs: make get_subvol_name non cmds-send specific
get_subvol_name can be used other than the just with in cmds-send.c
so this patch will make it possible with out changing the original
intentions.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:26 +0000 (15:56 +0800)]
Btrfs-progs: make printing subvol extensible to newer layouts
Currently you can print subvol in a list or table format.
This patch will provide a way to extend this to other formats
like the upcoming raw format.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:25 +0000 (15:56 +0800)]
Btrfs-progs: put find_mount_root() in commands.h
A useful function need to define it in a header file.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:24 +0000 (15:56 +0800)]
Btrfs-progs: add method to filter snapshots by parent uuid
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:23 +0000 (15:56 +0800)]
Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol
We need a function which can get the root_info of a given
subvol. This is in preparation to add support for the show
sub-cli.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:22 +0000 (15:56 +0800)]
Btrfs-progs: move struct root_info to btrfs-list.h
As we would add more ways to list and manage the subvols
and snapshots, its better if we have struct root_info
defined in the header file.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:21 +0000 (15:56 +0800)]
Btrfs-progs: add parent uuid for snapshots
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Anand Jain [Fri, 1 Feb 2013 07:56:20 +0000 (15:56 +0800)]
Btrfs-progs: move printing subvol list outside of btrfs_list_subvols
To improve the code reuse its better to have btrfs_list_subvols
just return list of subvols witout printing
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Lukas Czerner [Tue, 11 Dec 2012 14:25:00 +0000 (15:25 +0100)]
Btrfs-progs: List all subvolumes by default
Commit
a1e89891eb6af5381539d9875b85c196150171b6 changed subvolume list
command so that we list only subvolumes under the specified directory.
However this is confusing and unnecessary obstacle, because one usually
want to see all subvolumes in the file system. It was introduced with
the notion the full_path may be invalid which is not exactly true as the
full_path is always relative to the root subvolume which makes perfect
sense.
Simply making option '-a' default is not enough since it introduces the
relative/absolute path distinction effectively obfuscating the subvolume
nesting.
This commit returns the subvolume list command behaviour before commit
a1e89891eb6af5381539d9875b85c196150171b6 where we list all subvolumes in
the filesystem with path naming from root subovolume. IMO this is the
best default as it is well understood and gives all the important
information about file system subvolumes including subvolume nesting
without the need to parse additional information.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Lukas Czerner [Tue, 11 Dec 2012 14:24:59 +0000 (15:24 +0100)]
Btrfs-progs: add '-o' option into subvolume list command
This commit introduces new option '-o' to list only subvolumes under the
specified path. This does not change subvolume list behaviour. It has
been default in the past and it is even with this commit.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Lukas Czerner [Tue, 11 Dec 2012 14:24:58 +0000 (15:24 +0100)]
Btrfs-progs: move path modification to filters
Commit
8e8e019e910f20947fea7eff5da40753639d8870 introduces -a option
which will list all subvolumes with distinguishing between relative and
absolute by prepending absolute patch with "<FS_TREE>".
This commit moves the path modification to a filter code rather than
doing so in path construction in resolve_root(). This gives us more
flexibility in formatting path output.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Chen Yang [Fri, 18 Jan 2013 06:52:12 +0000 (14:52 +0800)]
Btrfs-progs: Complete the help information of btrfs send/receive
When typing command "btrfs send --help" or "btrfs receive --help",
the help information of the commands is incomplete, which only
shows a short usage.
This patch helps to display the complete infomation of the commands.
Signed-off-by: Cheng Yang <chenyang.fnst@cn.fujitsu.com>
Goffredo Baroncelli [Mon, 29 Oct 2012 17:53:20 +0000 (18:53 +0100)]
Update the man page with the new prefixes.
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
Mark Fasheh [Thu, 7 Jun 2012 23:00:56 +0000 (16:00 -0700)]
btrfs-progs: mkfs support for extended inode refs
This patch turns on the BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF superblock flag
when creating a new file system in mkfs, enabling extended inode refs.
Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Mark Fasheh [Thu, 7 Jun 2012 23:00:55 +0000 (16:00 -0700)]
btrfs-progs: add extended inode ref support to btrfsck
Add a function, process_inode_extref() to be called from process_one_leaf()
when an item type of BTRFS_INODE_EXTREF_KEY is encountered.
Similarly to process_inode_ref(), process_inode_extref() walks an extref and
adds an inode_backref structure for each reference found within.
I modified fsck's inode_backref to get a type field (ref_type) which helps
us internally track the exact type of backrefs found. Of course this field
could be overwritten in case of disk corruption (duplicate refs) but
duplicate refs themselves are tracked by btrfsck so that should not be an
issue as btrfsck is written today.
Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Mark Fasheh [Thu, 7 Jun 2012 23:00:54 +0000 (16:00 -0700)]
btrfs-progs: Basic support for extended inode refs
This patch syncs the extended inode ref definitions from kernels ctree.h and
adds support in btrfs-debug-tree for visualizing the state of extended refs
on disk.
Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Chen Yang [Thu, 31 Jan 2013 08:21:24 +0000 (16:21 +0800)]
Btrfs-prog/send: fix wrong dump_fd check in cmd_send_start()
In cmd_send_start(), there is a check to make sure dump_fd is not a tty
before parsing command options. So if we use the option "-f file",
it doesn't work for the dump_fd has not been created. So fix it.
Signed-off-by: Cheng Yang <chenyang.fnst@cn.fujitsu.com>
Anand Jain [Thu, 31 Jan 2013 05:35:31 +0000 (13:35 +0800)]
Btrfs-progs: man btrfs: subcommands must be grouped together
Signed-off-by: Anand Jain <anand.jain@oracle.com>
David Sterba [Wed, 30 Jan 2013 18:02:21 +0000 (19:02 +0100)]
btrfs-progs: fix parallel build
Parallel build may fail due to late creation of version.h, fix the rule name
that does not match the filename.
Signed-off-by: David Sterba <dsterba@suse.cz>
Reviewed-by: Eri Sandeen <sandeen@redhat.com>
Eric Sandeen [Tue, 29 Jan 2013 20:32:28 +0000 (14:32 -0600)]
btrfs-progs: fix mkfs.btrfs -r option
Commit
605e806166847872bb91831b397d58f95027975a broke the
mkfs.btrfs -r option, because it calls make_btrfs
without ever setting dev_block_count, in the -r case,
so we tell it to make a filesystem of size 0.
Then we wander into ENOSPC land and segfault.
As a quick one-line-fix, just set the dev_block_count
to the size of the destination image file.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Stefan Behrens [Mon, 7 May 2012 12:00:20 +0000 (14:00 +0200)]
Btrfs-progs: add support for device replace procedure
This is the user mode part of the device replace patch series.
The command group "btrfs replace" is added with three commands:
- btrfs replace start srcdev|srcdevid targetdev [-Bfr] mount_point
- btrfs replace status mount_point [-1]
- btrfs replace cancel mount_point
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Stefan Behrens [Tue, 15 May 2012 09:30:39 +0000 (11:30 +0200)]
Btrfs-progs: add command to get/reset device stats via ioctl
"btrfs device stats" is used to retrieve and print the device stats.
"btrfs device stats -z" is used to atomically retrieve, reset and
print the stats.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Stefan Behrens [Tue, 15 May 2012 10:05:44 +0000 (12:05 +0200)]
Btrfs-progs: make two utility functions globally available
Two convenient utility functions that have so far been local to scrub are
moved to utils.c.
They will be used in the device stats code in a following commit.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Anand Jain [Mon, 28 Jan 2013 05:22:30 +0000 (13:22 +0800)]
Btrfs-progs: move open_file_or_dir() to utils.c
The definition of the function open_file_or_dir() is moved from common.c
to utils.c in order to be able to share some common code between scrub
and the device stats in the following step. That common code uses
open_file_or_dir(). Since open_file_or_dir() makes use of the function
dirfd(3), the required XOPEN version was raised from 6 to 7.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Original-Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
David Sterba [Mon, 28 Jan 2013 18:29:32 +0000 (19:29 +0100)]
btrfs-progs: fix build warnings in btrfslabel.c
Signed-off-by: David Sterba <dsterba@suse.cz>
Ben Peddell [Sun, 27 Jan 2013 05:45:43 +0000 (15:45 +1000)]
btrfs-progs: fix unaligned accesses v2
gcc optimizes out the memcpy calls at -O2 and -Os.
Replacing memcpy with memmove does't work - gcc treats memmove
the same way it treats memcpy.
This patch brings in {get|put}_unaligned_le{16|32|64} (using the
packed struct method), and uses them in the failing get/set calls.
On architectures where unaligned accesses are cheap, these unaligned
macros should be optimized out by the compiler.
Signed-off-by: Ben Peddell <klightspeed@killerwolves.net>
Gene Czarcinski [Sat, 26 Jan 2013 18:10:33 +0000 (13:10 -0500)]
Btrfs-progs: Fix trival compiler error in cmds-qgroup.c
The compiler does not realize that usage() never returns.
Initializing the variable keeps it quiet.
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Wang Sheng-Hui [Sun, 18 Nov 2012 02:13:20 +0000 (10:13 +0800)]
btrfs-progs: update options in find-root.c
Remove the useless option "-v" and add the option "-o" in
the description of usage.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Eric Sandeen [Thu, 24 Jan 2013 23:32:52 +0000 (17:32 -0600)]
btrfs-progs pretty/quiet build
A quieter build makes warnings more obvious.
This could probably be improved, but just to see
if people like this or if they hate it. :)
make V=1 overrides it and gets you the full
glory again.
[CC] ctree.o
[CC] disk-io.o
[CC] radix-tree.o
[CC] extent-tree.o
...
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Josef Bacik [Thu, 22 Jan 2009 19:25:44 +0000 (14:25 -0500)]
btrfs-progs: kill check for /'s in labels
This patch kills a check in mkfs's label stuff which doesn't allow labels that
have /'s in them. This causes problems for Anaconda which try to label volumes
with their mountpoints. Thanks,
Signed-off-by: Josef Bacik <jbacik@redhat.com>
Anand Jain [Thu, 24 Jan 2013 10:05:14 +0000 (18:05 +0800)]
Btrfs-progs: we need to have the string null terminated
Bug:
-------------
btrfs subvolume list / -a
ID 258 gen 4226 top level 384 path media/smbshare
::
btrfs subvolume list /home -a
ID 258 gen 4226 top level 5 path <FS_TREE>/__active/media/smbshare4.snap
In the first command's output, this path is printed correctly, however
in the second output it has "4.snap" appended, similar to the names of
the snapshots I made 22 hours ago.
------------
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reported-by: Brendan Hide <brendan@swiftspirit.co.za>
Chen Yang [Thu, 24 Jan 2013 11:53:40 +0000 (19:53 +0800)]
Btrfs-prog/send: fix wrong best-parent assignment in, find_good_parent()
We use find_good_parent() to look for a suit snapshot in the clone source
snapshots as the parent, not the source subvolume of the snapshot which
is about to be sent. fix it
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Cheng Yang <chenyang.fnst@cn.fujitsu.com>
Stefan Behrens [Fri, 2 Nov 2012 14:05:30 +0000 (15:05 +0100)]
btrfs-progs: Add btrfs-show-super
Just a small program to print the fields of a super block.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
Josef Bacik [Sat, 19 Jan 2013 18:06:20 +0000 (13:06 -0500)]
Btrfs-progs: add btrfs device ready command
This command will be used by things like dracut that wish to know very
simply if all of the devices have been added to the kernel cache yet for the
device to be fully mounted. This keeps initrd's from constantly having to
try to mount the file system until it succeeds every time a device is added
to the system. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Josef Bacik [Sat, 19 Jan 2013 18:06:21 +0000 (13:06 -0500)]
Btrfs-progs: detect if the disk we are formatting is a ssd
Patch rebased because of changes in mkfs.c but otherwise the same
as created by Josef Bacik
SSD's do not gain anything by having metadata DUP turned on. The underlying
file system that is a part of all SSD's could easily map duplicate metadat
blocks into the same erase block which effectively eliminates the benefit of
duplicating the metadata on disk. So detect if we are formatting a single
SSD drive and if we are do not use DUP. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Eric Sandeen [Sat, 19 Jan 2013 18:06:17 +0000 (13:06 -0500)]
btrfs-progs: Use sysconf instead of getpagesize
Rawhide is getting cranky with posix compliance, and a few
things have stopped building.
getpagesize() is now only available -with- __USE_XOPEN_EXTENDED
or __USE_BSD, and NOT __USE_XOPEN2K.
_GNU_SOURCE must define __USE_XOPEN2K because getpagesize()
has gone away for mkfs. I gave up and used sysconf.
Also, something used to pull in stat that no longer does, so
things like S_ISREG weren't getting defined.
The following fixes things for me.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Christian Hesse [Tue, 22 Jan 2013 20:51:19 +0000 (15:51 -0500)]
btrfs-progs: fix build, manpage compression command
man pages for btrfs-progs are compressed by gzip by default. In Makefile the
variable GZIP is use, this evaluates to 'gzip gzip' on my system. From man
gzip:
> The environment variable GZIP can hold a set of default options for gzip.
> These options are interpreted first and can be overwritten by explicit
> command line parameters.
So using any other variable name fixes this. Patch is attached.
Signed-off-by: Christian Hesse <list@eworm.de>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Andreas Fischer [Mon, 21 Jan 2013 19:19:03 +0000 (19:19 +0000)]
Btrfs-progs: Fix typo in balance start usage; filetrs -> filters.
Fix typo in "btrfs balance start" usage documentation: 'filetrs' should have
been 'filters'.
Signed-off-by: Andreas Fischer <info@andreasfischer.net>
Stefan Behrens [Wed, 31 Oct 2012 16:56:56 +0000 (17:56 +0100)]
Btrfs-progs: fix an off-by-one in write_dev_supers()
Fix an off-by-one in write_dev_supers().
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Jan Schmidt [Tue, 6 Nov 2012 20:47:08 +0000 (21:47 +0100)]
Btrfs-progs: bugfix for subvolume parent determination in btrfs send
We missed to add the default subvolume, because it has no ROOT_BACKREF_ITEM.
This made get_parent always fail for direct decendants of the default
subvolume, resulting in lots of full streams where incremental streams were
requested.
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Reviewed-by: Alexander Block <ablock84@googlemail.com>
Jan Schmidt [Tue, 6 Nov 2012 20:47:07 +0000 (21:47 +0100)]
Btrfs-progs: correcting misnamed parameter options for btrfs send
Unfortunately, the command line options for btrfs send were misnamed. The
-i option should not be used to give "clone sources", we'll be using -c
instead.
Compatibily note: -i option was broken anyway, which makes it less critical
renaming it. For potential users of the old option style, we emit a fatal
warning if the -i option is used.
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Arvin Schnell [Sun, 20 Jan 2013 21:04:18 +0000 (16:04 -0500)]
btrfs-progs: initialize data before send ioctl
Likely not strictly needed but I noticed valgrind complaining about
uninitialised memory in the ioctl call.
Signed-off-by: Arvin Schnell <aschnell@suse.de>
Wang Shilong [Sun, 20 Jan 2013 21:04:16 +0000 (16:04 -0500)]
Btrfs-progs: check the relation of two group by real level numbers
Comparing qgroupid is not good way to check the relationship of two groups,
the right way is to compare the real level numbers.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Wang Shilong [Sun, 20 Jan 2013 21:04:15 +0000 (16:04 -0500)]
Btrfs-progs: clean up reduplicate parse_qgroupid() and replace atoi with strtoull
1. parse_qgroupid() is implemented twice, clean up the reduplicate code.
2. atoi() can not detect errors, so use strtoull() instead of it.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Wang Shilong [Sun, 20 Jan 2013 21:04:14 +0000 (16:04 -0500)]
Btrfs-progs: fix arg parsing for btrfs qgroup limit commands
We can use this command in two ways.
1. btrfs qgroup limit size qgroupid path
2. btrfs qgroup limit size path
Before applying this patch, we differentiate them by check the parsing result
of the second argument. It is not so good because it may make some mistakes,
For example:
btrfs qgroup limit 1M 123456
^ It is a subvolume name.
In fact, we can differentiate them just by the number of arguments, so fix it
by this way.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Ulrik [Sun, 20 Jan 2013 21:04:08 +0000 (16:04 -0500)]
Btrfs-progs: correct btrfs receive usage string
Fix the usage string to specify the correct '-f' option for input file,
not '-i'.
Signed-off-by: Ulrik Sverdrup <ulrik.sverdrup@gmail.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Nirbheek Chauhan [Sun, 20 Jan 2013 21:04:07 +0000 (16:04 -0500)]
Btrfs-progs: fix resolving of loop devices
The LOOP_GET_STATUS ioctl truncates filenames to 64 characters. We should get
the backing file for a given loop device from /sys/. This is how losetup does it
as well.
Signed-off-by: Nirbheek Chauhan <nirbheek.chauhan@collabora.co.uk>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
Tested-By: Hector Oron <hector.oron@collabora.co.uk>
Danny Kukawka [Mon, 21 Jan 2013 15:57:25 +0000 (16:57 +0100)]
btrfs-progs: Handle errors returned from open_ctree
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David Sterba <dsterba@suse.cz>
Wang Sheng-Hui [Thu, 16 Aug 2012 12:15:56 +0000 (20:15 +0800)]
btrfs-progs: add malloc check in transaction.h/btrfs_start_transaction
For malloc may fail, we should check it before assign
values to the struct btrfs_trans_handle *h.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Arne Jansen [Tue, 29 Nov 2011 07:40:28 +0000 (08:40 +0100)]
Btrfs-progs: bugfix for scrubbing single devices
Scrub can be invoked to scrub only a single device of a (mounted) filesystem.
The code determines whether the given path is a mountpoint of a filesystem
by issueing a btrfs-specific ioctl to it. Only in case of EINVAL it assumed
it may be a device, all other errnos just caused it fail, but some devices
(correctly) return ENOTTY. This patch adds this to the error check.
Signed-off-by: Arne Jansen <sensille@gmx.net>
Goffredo Baroncelli [Fri, 21 Oct 2011 17:00:28 +0000 (19:00 +0200)]
Ignore the error ENXIO and ENOMEDIUM during a devs scan
Ignore the error ENXIO (device don't exists) and ENOMEDIUM (
No medium found -> like a cd tray empty) in the function
btrfs_scan_one_dir.
This avoids spurios errors due to an empty CD or a block device node
without a device (which is frequent in a static /dev).
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
David Sterba [Wed, 12 Oct 2011 11:36:13 +0000 (13:36 +0200)]
btrfs-progs: ignore -a option in mkfs
Let mkfs accept '-a' option and not complain. When a partition has non-zero
value in the fs_passno filed in /etc/fstab, the fsck is run but fails and boot
stops. As fsck does not break things currently, it's safe to ignore the option
and let the boot proceed.
Reference: https://bugzilla.novell.com/show_bug.cgi?id=655906
Signed-off-by: David Sterba <dsterba@suse.cz>
Simon Xu [Wed, 9 Jan 2013 10:32:44 +0000 (18:32 +0800)]
btrfs-progs: remove '-h' from btrfs man page
Remove '-h' from btrfs man page as it's not supported by the btrfs utility.
Signed-off-by: Simon Xu <xu.simon@oracle.com>
Simon Xu [Wed, 9 Jan 2013 07:31:07 +0000 (15:31 +0800)]
btrfs-progs: remove "device show" from btrfs man page
Remove "device show" from btrfs man page as it's not supported by the
btrfs utility.
Signed-off-by: Simon Xu <xu.simon@oracle.com>
Lluis Batlle i Rossell [Fri, 30 Nov 2012 10:08:39 +0000 (11:08 +0100)]
btrfs-progs: Fix getopt on arm platforms
There, 'char' is unsigned, so once assigned '-1' from getopt, it gets
the value 255. Then, it compared to '-1' gives false.
Signed-off-by: Lluis Batlle i Rossell <viric@viric.name>
Wang Sheng-Hui [Tue, 20 Nov 2012 06:26:46 +0000 (14:26 +0800)]
btrfs-progs: print the right mount checking info in restore.c
The mount status is checked against the arg <device> (argv[optind]),
not the <directory>. Correct the info printed on <device> mounted.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Zach Brown [Thu, 15 Nov 2012 22:24:03 +0000 (14:24 -0800)]
btrfs-progs: fix 32bit int/pointer cast warnings
This uses uintptr_t to cast pointers to u64 ioctl arguments to silence
some 32bit build warnings:
cmds-inspect.c: In function ‘__ino_to_path_fd’:
cmds-inspect.c:47:15: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
cmds-inspect.c: In function ‘cmd_logical_resolve’:
cmds-inspect.c:171:15: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
Signed-off-by: Zach Brown <zab@redhat.com>
Kenji Okimoto [Thu, 15 Nov 2012 04:47:52 +0000 (13:47 +0900)]
btrfs-progs: plug memory leaks in btrfs_scan_one_dir() reported by cppcheck.
[utils.c:983]: (error) Memory leak: fullpath
Signed-off-by: Kenji Okimoto <okimoto@clear-code.com>
Kenji Okimoto [Thu, 15 Nov 2012 04:47:51 +0000 (13:47 +0900)]
btrfs-progs: check malloc() result
Signed-off-by: Kenji Okimoto <okimoto@clear-code.com>
Kenji Okimoto [Thu, 15 Nov 2012 04:47:50 +0000 (13:47 +0900)]
btrfs-progs: plug a memory leak reported by cppcheck
[src/btrfs/disk-io.c:462]: (error) Memory leak: log_root
Signed-off-by: Kenji Okimoto <okimoto@clear-code.com>
Wang Sheng-Hui [Wed, 14 Nov 2012 07:46:21 +0000 (15:46 +0800)]
btrfs-progs: update usage description for debug-tree.c
There are more options than "-e" only.
Update the description for the usage.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Goffredo Baroncelli [Mon, 29 Oct 2012 17:53:19 +0000 (18:53 +0100)]
parse_size(): add new suffixes
Add new suffixes in parse_size() function. New suffixes are: T as
terabyte, P as petabyte, E as exabyte. Note these units are
multiply of 2 .
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
Goffredo Baroncelli [Mon, 29 Oct 2012 17:53:18 +0000 (18:53 +0100)]
parse_size(): replace atoll() with strtoull()
Replace the function atoll with strtoull(); Check that the suffix for the
parse_size() input is of only one character.
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
Goffredo Baroncelli [Mon, 29 Oct 2012 17:53:17 +0000 (18:53 +0100)]
Move parse_size() to utils.[hc]
Move the function from cmds-filesystem.c and mkfs.c to utils.c
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
David Sterba [Thu, 25 Oct 2012 15:27:57 +0000 (17:27 +0200)]
btrfs-progs: do not send stream into a terminal
Signed-off-by: David Sterba <dsterba@suse.cz>
Alex Lyakas [Wed, 17 Oct 2012 13:53:58 +0000 (15:53 +0200)]
btrfs-progs: Receive: preserve ownership for symlinks, by using 'lchown'
Signed-off-by: Alex Lyakas <alex.btrfs@zadarastorage.com>
Arne Jansen [Sun, 21 Oct 2012 14:34:33 +0000 (16:34 +0200)]
Btrfs-progs: fix unaligned accesses
There are some unaligned accesses in progs that cause malfunction or
crashes on ARM.
This patch fixes the ones we stumbled upon.
Signed-off-by: Arne Jansen <sensille@gmx.net>
Wang Sheng-Hui [Tue, 16 Oct 2012 07:29:15 +0000 (15:29 +0800)]
btrfs-progs: add -V description in print_usage
mkfs supports the option -V/--version.
Add its description to print_usage().
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Sergei Trofimovich [Thu, 11 Oct 2012 08:43:48 +0000 (11:43 +0300)]
version.sh: fix version when built from tarball
[from 0.20-rc1 tarball]
Before the patch:
$ ./btrfs --version
Btrfs Btrfs v0.19
After the patch:
$ ./btrfs --version
Btrfs v0.20-rc1
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Wade Cline [Thu, 20 Sep 2012 21:26:28 +0000 (14:26 -0700)]
Btrfs-progs: Fix compiler warnings on PPC64
The kernel uses unsigned long long for u64, but PPC64 uses unsigned
long by default. This results in compilation warnings such as:
print-tree.c:333: warning: format '%llu' expects type 'long long
unsigned int', but argument 4 has type 'u64'
To fix this, the macro __KERNEL__ needs to be defined before including
the file <asm/types.h>. This can be done by defining the macro in
"kerncompat.h" and making it the first included file in the relevant
header files; this fixes the compiler warnings on PPC64.
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Wade Cline <clinew@linux.vnet.ibm.com>
Chris Mason [Fri, 5 Oct 2012 00:35:31 +0000 (20:35 -0400)]
Cast args to min to fix compiler warnings
Liu Bo [Fri, 31 Aug 2012 05:40:44 +0000 (05:40 +0000)]
Btrfs-progs: add options to change bufsize in logical to inode translation
Add an option 's' to set bufsize in logical to inode transition, then we are able
to read all the refs to the logical address.
Meanwhile, set a max value 64k for the bufsize.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Goffredo Baroncelli [Tue, 4 Sep 2012 17:59:26 +0000 (19:59 +0200)]
Correct un-initialized fsid variable
David Sterba [Fri, 7 Sep 2012 15:02:16 +0000 (09:02 -0600)]
btrfs-progs: pretty print key in extent_item
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>