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path: root/fs/btrfs/sysfs.c
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2014-01-29btrfs: publish per-super attributes in sysfsJeff Mahoney1-0/+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>
2014-01-29btrfs: publish supported featured in sysfsJeff Mahoney1-0/+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>
2013-03-02btrfs: fixup/remove module.h usage as requiredPaul Gortmaker1-1/+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>
2011-06-17btrfs: Remove unused sysfs codeMaarten Lankhorst1-146/+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>
2011-05-22Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into ↵Chris Mason1-77/+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>
2011-05-06btrfs: remove all unused functionsDavid Sterba1-65/+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>
2010-03-08Driver core: Constify struct sysfs_ops in struct kobj_typeEmese Revfy1-2/+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>
2009-01-06Btrfs: Fix checkpatch.pl warningsChris Mason1-2/+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>
2009-01-05Btrfs: do not call kfree if kmalloc failed in btrfs_sysfs_add_superShen Feng1-2/+1
Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
2008-09-25Remove Btrfs compat code for older kernelsChris Mason1-33/+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>
2008-09-25Btrfs: trivial sparse fixesChristoph Hellwig1-4/+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>
2008-09-25Btrfs: Disable sysfs files on older kernelsChris Mason1-0/+34
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25btrfs: fixes for kobject changes in mainlineGreg KH1-24/+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>
2008-09-25Btrfs: Back port to 2.6.18-el kernelsChris Mason1-2/+21
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: sysfs compile fixupJens Axboe1-3/+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>
2008-09-25Btrfs: Allow tree blocks larger than the page sizeChris Mason1-2/+3
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Create extent_buffer interface for large blocksizesChris Mason1-5/+5
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-08-29Btrfs: Add per-root block accounting and sysfs entriesJosef Bacik1-0/+236
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-07-11Btrfs: trivial include fixupsZach Brown1-1/+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>
2007-06-12Btrfs: add GPLv2Chris Mason1-0/+18
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-05Btrfs: add dir inode indexChris Mason1-0/+4
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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