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* btrfs: constify structs with op functions or static definitionsDavid Sterba2015-02-161-1/+1
| | | | | | | There are some op tables that can be easily made const, similarly the sysfs feature and raid tables. This is motivated by PaX CONSTIFY plugin. Signed-off-by: David Sterba <dsterba@suse.cz>
* Btrfs: add missing cleanup on sysfs init failureFilipe Manana2015-02-021-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we failed during initialization of sysfs, we weren't unregistering the top level btrfs sysfs entry nor the debugfs stuff. Not unregistering the top level sysfs entry makes future attempts to reload the btrfs module impossible and the following is reported in dmesg: [ 2246.451296] WARNING: CPU: 3 PID: 10999 at fs/sysfs/dir.c:486 sysfs_warn_dup+0x91/0xb0() [ 2246.451298] sysfs: cannot create duplicate filename '/fs/btrfs' [ 2246.451298] Modules linked in: btrfs(+) raid6_pq xor bnep rfcomm bluetooth binfmt_misc nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc parport_pc parport psmouse serio_raw pcspkr evbug i2c_piix4 e1000 floppy [last unloaded: btrfs] [ 2246.451310] CPU: 3 PID: 10999 Comm: modprobe Tainted: G W 3.13.0-fdm-btrfs-next-24+ #7 [ 2246.451311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2246.451312] 0000000000000009 ffff8800d353fa08 ffffffff816f1da6 0000000000000410 [ 2246.451314] ffff8800d353fa58 ffff8800d353fa48 ffffffff8104a32c ffff88020821a290 [ 2246.451316] ffff88020821a290 ffff88020821a290 ffff8802148f0000 ffff8800d353fb80 [ 2246.451318] Call Trace: [ 2246.451322] [<ffffffff816f1da6>] dump_stack+0x4e/0x68 [ 2246.451324] [<ffffffff8104a32c>] warn_slowpath_common+0x8c/0xc0 [ 2246.451325] [<ffffffff8104a416>] warn_slowpath_fmt+0x46/0x50 [ 2246.451328] [<ffffffff81367dc5>] ? strlcat+0x65/0x90 (....) This fixes the following change: btrfs: add simple debugfs interface commit 1bae30982bc86ab66d61ccb6e22792593b45d44d Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: move commit out of sysfs when changing labelDavid Sterba2014-11-121-13/+8
| | | | Signed-off-by: David Sterba <dsterba@suse.cz>
* btrfs: move commit out of sysfs when changing featuresDavid Sterba2014-11-121-8/+5
| | | | Signed-off-by: David Sterba <dsterba@suse.cz>
* btrfs: sysfs label interface should check for read only FSAnand Jain2014-09-171-0/+3
| | | | | | | Not sure how this escaped many eyes so far Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: code optimize: BTRFS_ATTR_RW could set the modeAnand Jain2014-09-171-1/+1
| | | | | | | BTRFS_ATTR_RW could set the mode and be inline with BTRFS_ATTR Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: code optimize: BTRFS_ATTR could handle the modeAnand Jain2014-09-171-7/+7
| | | | | | | | All that uses BTRFS_ATTR want mode to be set at 0444 so just do it at the define. And few spacing alignments. Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: use BTRFS_ATTR instead of btrfs_no_store()Anand Jain2014-09-171-10/+3
| | | | | | | we have BTRFS_ATTR define to create sysfs RO file, use that. Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: label should not contain return charSatoru Takeuchi2014-09-171-3/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rediffed remaining parts of original patch from Anand Jain. This makes sure to avoid trailing newlines in the btrfs label output reproducer.sh: =============================================================================== TEST_DEV=/dev/vdb TEST_DIR=/home/sat/mnt umount /home/sat/mnt mkfs.btrfs -f $TEST_DEV UUID=$(btrfs fi show $TEST_DEV | head -1 | sed -e 's/.*uuid: \([-0-9a-z]*\)$/\1/') mount $TEST_DEV $TEST_DIR LABELFILE=/sys/fs/btrfs/$UUID/label echo "Test for empty label..." >&2 LINES="$(cat $LABELFILE | wc -l | awk '{print $1}')" RET=0 if [ $LINES -eq 0 ] ; then echo '[PASS] Trailing \n is removed correctly.' >&2 else echo '[FAIL] Trailing \n still exists.' >&2 RET=1 fi echo "Test for non-empty label..." >&2 echo testlabel >$LABELFILE LINES="$(cat $LABELFILE | wc -l | awk '{print $1}')" if [ $LINES -eq 1 ] ; then echo '[PASS] Trailing \n is removed correctly.' >&2 else echo '[FAIL] Trailing \n still exists.' >&2 RET=1 fi exit $RET =============================================================================== Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
* Btrfs: fix regression of btrfs device replaceLiu Bo2014-08-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit 49c6f736f34f901117c20960ebd7d5e60f12fcac( btrfs: dev replace should replace the sysfs entry) added the missing sysfs entry in the process of device replace, but didn't take missing devices into account, so now we have BUG: unable to handle kernel NULL pointer dereference at 0000000000000088 IP: [<ffffffffa0268551>] btrfs_kobj_rm_device+0x21/0x40 [btrfs] ... To reproduce it, 1. mkfs.btrfs -f disk1 disk2 2. mkfs.ext4 disk1 3. mount disk2 /mnt -odegraded 4. btrfs replace start -B 1 disk3 /mnt -------------------------- This fixes the problem. Reported-by: Chris Murphy <lists@colorremedies.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Tested-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: dev add should add its sysfs entryAnand Jain2014-06-281-3/+9
| | | | | | | | | we would need the device links to be created, when device is added. Signed-off-by: Anand Jain <Anand.Jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: dev delete should remove sysfs entryAnand Jain2014-06-281-0/+20
| | | | | | | | | | when we delete the device from the mounted btrfs, we would need its corresponding sysfs enty to be removed as well. Signed-off-by: Anand Jain <Anand.Jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: rename add_device_membership to btrfs_kobj_add_deviceAnand Jain2014-06-281-2/+2
| | | | | | Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: allocate raid type kobjects dynamicallyJeff Mahoney2014-06-091-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We are currently allocating space_info objects in an array when we allocate space_info. When a user does something like: # btrfs balance start -mconvert=raid1 -dconvert=raid1 /mnt # btrfs balance start -mconvert=single -dconvert=single /mnt -f # btrfs balance start -mconvert=raid1 -dconvert=raid1 / We can end up with memory corruption since the kobject hasn't been reinitialized properly and the name pointer was left set. The rationale behind allocating them statically was to avoid creating a separate kobject container that just contained the raid type. It used the index in the array to determine the index. Ultimately, though, this wastes more memory than it saves in all but the most complex scenarios and introduces kobject lifetime questions. This patch allocates the kobjects dynamically instead. Note that we also remove the kobject_get/put of the parent kobject since kobject_add and kobject_del do that internally. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Reported-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: usage error should not be logged into system logAnand Jain2014-06-091-4/+1
| | | | | | | | | | | | | I have an opinion that system logs /var/log/messages are valuable info to investigate the real system issues at the data center. People handling data center issues do spend a lot time and efforts analyzing messages files. Having usage error logged into /var/log/messages is something we should avoid. Signed-off-by: Anand Jain <Anand.Jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: export more from FS_INFO to sysfsDavid Sterba2014-06-091-0/+40
| | | | | | | | Similar to the FS_INFO updates, export the basic filesystem info through sysfs: node size, sector size and clone alignment. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: add simple debugfs interfaceDavid Sterba2014-03-101-6/+27
| | | | | | | | | | | | | | | Help during debugging to export various interesting infromation and tunables without the need of extra mount options or ioctls. Usage: * declare your variable in sysfs.h, and include where you need it * define the variable in sysfs.c and make it visible via debugfs_create_TYPE Depends on CONFIG_DEBUG_FS. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com>
* btrfs: fix null pointer deference at btrfs_sysfs_add_one+0x105Anand Jain2014-02-151-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bdev is null when disk has disappeared and mounted with the degrade option stack trace --------- btrfs_sysfs_add_one+0x105/0x1c0 [btrfs] open_ctree+0x15f3/0x1fe0 [btrfs] btrfs_mount+0x5db/0x790 [btrfs] ? alloc_pages_current+0xa4/0x160 mount_fs+0x34/0x1b0 vfs_kern_mount+0x62/0xf0 do_mount+0x22e/0xa80 ? __get_free_pages+0x9/0x40 ? copy_mount_options+0x31/0x170 SyS_mount+0x7e/0xc0 system_call_fastpath+0x16/0x1b --------- reproducer: ------- mkfs.btrfs -draid1 -mraid1 /dev/sdc /dev/sdd (detach a disk) devmgt detach /dev/sdc [1] mount -o degrade /dev/sdd /btrfs ------- [1] github.com/anajain/devmgt.git Signed-off-by: Anand Jain <Anand.Jain@oracle.com> Tested-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: sysfs: list the NO_HOLES featureDavid Sterba2014-01-281-0/+2
| | | | | | Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: sysfs: don't show reserved incompat featureDavid Sterba2014-01-281-2/+0
| | | | | | | | | The COMPRESS_LZOv2 incompat featue is currently not implemented, the bit is only reserved, no point to list it in sysfs. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
* Btrfs: convert printk to btrfs_ and fix BTRFS prefixFrank Holton2014-01-281-1/+1
| | | | | | | | | | Convert all applicable cases of printk and pr_* to the btrfs_* macros. Fix all uses of the BTRFS prefix. Signed-off-by: Frank Holton <fholton@gmail.com> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: fix leaks during sysfs teardownJeff Mahoney2014-01-281-60/+73
| | | | | | | | | | | | | | | | | | | | | | | Filipe noticed that we were leaking the features attribute group after umount. His fix of just calling sysfs_remove_group() wasn't enough since that removes just the supported features and not the unsupported features. This patch changes the unknown feature handling to add them individually so we can skip the kmalloc and uses the same iteration to tear them down later. We also fix the error handling during mount so that we catch the failing creation of the per-super kobject, and handle proper teardown of a half-setup sysfs context. Tested properly with kmemleak enabled this time. Reported-by: Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Tested-by: Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: replace BUG in can_modify_featureDavid Sterba2014-01-281-1/+3
| | | | | | | | | | We don't need to crash hard here, it's just reading a sysfs file. The values considered in switch are from a fixed set, the default case should not happen at all. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: reserve no transaction units in btrfs_feature_attr_storeDavid Sterba2014-01-281-1/+1
| | | | | | | | | | Added in patch "btrfs: add ability to change features via sysfs", modifications to superblock don't need to reserve metadata blocks when starting a transaction. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish fs label in sysfsJeff Mahoney2014-01-281-0/+44
| | | | | | | | This adds a writeable attribute which describes the label. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish device membership in sysfsJeff Mahoney2014-01-281-0/+32
| | | | | | | | | | Now that we have the infrastructure for per-super attributes, we can publish device membership in /sys/fs/btrfs/<fsid>/devices. The information is published as symlinks to the block devices. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish allocation data in sysfsJeff Mahoney2014-01-281-0/+148
| | | | | | | | | | While trying to debug ENOSPC issues, it's helpful to understand what the kernel's view of the available space is. We export this information via ioctl, but sysfs files are more easily used. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: use feature attribute names to print better error messagesJeff Mahoney2014-01-281-1/+32
| | | | | | | | | | Now that we have the feature name strings available in the kernel via the sysfs attributes, we can use them for printing better failure messages from the ioctl path. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: add ability to change features via sysfsJeff Mahoney2014-01-281-3/+115
| | | | | | | | | | | | | | | | | | | This patch adds the ability to change (set/clear) features while the file system is mounted. A bitmask is added for each feature set for the support to set and clear the bits. A message indicating which bit has been set or cleared is issued when it's been changed and also when permission or support for a particular bit has been denied. Since the the attributes can now be writable, we need to introduce another struct attribute to hold the different permissions. If neither set or clear is supported, the file will have 0444 permissions. If either set or clear is supported, the file will have 0644 permissions and the store handler will filter out the write based on the bitmask. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish unknown feature bits in sysfsJeff Mahoney2014-01-281-1/+107
| | | | | | | | | | | | | | With the compat and compat-ro bits, it's possible for file systems to exist that have features that aren't supported by the kernel's file system implementation yet still be mountable. This patch publishes read-only info on those features using a prefix:number format, where the number is the bit number rather than the shifted value. e.g. "compat:12" Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish per-super features in sysfsJeff Mahoney2014-01-281-16/+65
| | | | | | | | | | This patch publishes information on which features are enabled in the file system on a per-super basis. At this point, it only publishes information on features supported by the file system implementation. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish per-super attributes in sysfsJeff Mahoney2014-01-281-0/+36
| | | | | | | | | | | This patch adds per-super attributes to sysfs. It doesn't publish any attributes yet, but does the proper lifetime handling as well as the basic infrastructure to add new attributes. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: publish supported featured in sysfsJeff Mahoney2014-01-281-0/+44
| | | | | | | | | | | | | This patch adds the ability to publish supported features to sysfs under /sys/fs/btrfs/features. The files are module-wide and export which features the kernel supports. The content, for now, is just "0\n". Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <clm@fb.com>
* btrfs: fixup/remove module.h usage as requiredPaul Gortmaker2013-03-011-1/+0
| | | | | | | | | | We want to avoid module.h where posible, since it in turn includes nearly all of header space. This means removing it where it is not required, and using export.h where we are only exporting symbols via EXPORT_SYMBOL and friends. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
* btrfs: Remove unused sysfs codeMaarten Lankhorst2011-06-171-146/+0
| | | | | | | | Removes code no longer used. The sysfs file itself is kept, because the btrfs developers expressed interest in putting new entries to sysfs. Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into ↵Chris Mason2011-05-221-77/+0
|\ | | | | | | | | | | | | | | | | | | | | | | inode_numbers Conflicts: fs/btrfs/extent-tree.c fs/btrfs/free-space-cache.c fs/btrfs/inode.c fs/btrfs/tree-log.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * btrfs: remove all unused functionsDavid Sterba2011-05-061-65/+0
|/ | | | | | | | | | | Remove static and global declarations and/or definitions. Reduces size of btrfs.ko by ~3.4kB. text data bss dec hex filename 402081 7464 200 409745 64091 btrfs.ko.base 398620 7144 200 405964 631cc btrfs.ko.remove-all Signed-off-by: David Sterba <dsterba@suse.cz>
* Driver core: Constify struct sysfs_ops in struct kobj_typeEmese Revfy2010-03-071-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Constify struct sysfs_ops. This is part of the ops structure constification effort started by Arjan van de Ven et al. Benefits of this constification: * prevents modification of data that is shared (referenced) by many other structure instances at runtime * detects/prevents accidental (but not intentional) modification attempts on archs that enforce read-only kernel data at runtime * potentially better optimized code as the compiler can assume that the const data cannot be changed * the compiler/linker move const data into .rodata and therefore exclude them from false sharing Signed-off-by: Emese Revfy <re.emese@gmail.com> Acked-by: David Teigland <teigland@redhat.com> Acked-by: Matt Domsch <Matt_Domsch@dell.com> Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Acked-by: Hans J. Koch <hjk@linutronix.de> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Jens Axboe <jens.axboe@oracle.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Btrfs: Fix checkpatch.pl warningsChris Mason2009-01-051-2/+4
| | | | | | | There were many, most are fixed now. struct-funcs.c generates some warnings but these are bogus. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: do not call kfree if kmalloc failed in btrfs_sysfs_add_superShen Feng2009-01-051-2/+1
| | | | | Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
* Remove Btrfs compat code for older kernelsChris Mason2008-09-251-33/+0
| | | | | | | | Btrfs had compatibility code for kernels back to 2.6.18. These have been removed, and will be maintained in a separate backport git tree from now on. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: trivial sparse fixesChristoph Hellwig2008-09-251-4/+4
| | | | | | | Fix a bunch of trivial sparse complaints. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Disable sysfs files on older kernelsChris Mason2008-09-251-0/+34
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* btrfs: fixes for kobject changes in mainlineGreg KH2008-09-251-24/+15
| | | | | | | | | | | | | Here's a patch against the unstable tree that gets the code to build against Linus's current tree (2.6.24-git12). This is needed as the kobject/kset api has changed there. I tried to make the smallest changes needed, and it builds and loads successfully, but I don't have a btrfs volume anywhere (yet) to try to see if things still work properly :) Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Back port to 2.6.18-el kernelsChris Mason2008-09-251-2/+21
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: sysfs compile fixupJens Axboe2008-09-251-3/+2
| | | | | | | | | | Just use kobject_set_name(), that works in all kernels (I think...). Kernels newer than 2.6.23 currently fail with: /home/axboe/git/btrfs/btrfs-unstable/sysfs.c:188: error: unknown field 'name' specified in initializer Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Allow tree blocks larger than the page sizeChris Mason2008-09-251-2/+3
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Create extent_buffer interface for large blocksizesChris Mason2008-09-251-5/+5
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: Add per-root block accounting and sysfs entriesJosef Bacik2007-08-291-0/+236
| | | | Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: trivial include fixupsZach Brown2007-07-111-1/+0
| | | | | | | | | | | Almost none of the files including module.h need to do so, remove them. Include sched.h in extent-tree.c to silence a warning about cond_resched() being undeclared. Signed-off-by: Zach Brown <zach.brown@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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