linux.git/fs/ext2/super.c, branch v5.17 Linux kernel source tree dax: return the partition offset from fs_dax_get_by_bdev 2021-12-04T16:58:54+00:00 Christoph Hellwig hch@lst.de 2021-11-29T10:21:59+00:00 cd913c76f489def1a388e3a5b10df94948ede3f5 Prepare for the removal of the block_device from the DAX I/O path by returning the partition offset from fs_dax_get_by_bdev so that the file systems have it at hand for use during I/O. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20211129102203.2243509-26-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Prepare for the removal of the block_device from the DAX I/O path by
returning the partition offset from fs_dax_get_by_bdev so that the file
systems have it at hand for use during I/O.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-26-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
ext2: cleanup the dax handling in ext2_fill_super 2021-12-04T16:58:53+00:00 Christoph Hellwig hch@lst.de 2021-11-29T10:21:53+00:00 cea845cdef4f5094f0471a6dbdb609c004ad8b06 Only call fs_dax_get_by_bdev once the sbi has been allocated and remove the need for the dax_dev local variable. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20211129102203.2243509-20-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Only call fs_dax_get_by_bdev once the sbi has been allocated and remove
the need for the dax_dev local variable.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-20-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dax: remove dax_capable 2021-12-04T16:58:51+00:00 Christoph Hellwig hch@lst.de 2021-11-29T10:21:42+00:00 7b0800d00dae8c897398abaf61e82db0d67d7afc Just open code the block size and dax_dev == NULL checks in the callers. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> [erofs] Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20211129102203.2243509-9-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Just open code the block size and dax_dev == NULL checks in the callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> [erofs]
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-9-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Merge tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm 2021-09-09T18:39:57+00:00 Linus Torvalds torvalds@linux-foundation.org 2021-09-09T18:39:57+00:00 2e5fd489a4e5fcc97b035c03ace724c1d481a4c1 Pull libnvdimm updates from Dan Williams: - Fix a race condition in the teardown path of raw mode pmem namespaces. - Cleanup the code that filesystems use to detect filesystem-dax capabilities of their underlying block device. * tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: remove bdev_dax_supported xfs: factor out a xfs_buftarg_is_dax helper dax: stub out dax_supported for !CONFIG_FS_DAX dax: remove __generic_fsdax_supported dax: move the dax_read_lock() locking into dax_supported dax: mark dax_get_by_host static dm: use fs_dax_get_by_bdev instead of dax_get_by_host dax: stop using bdevname fsdax: improve the FS_DAX Kconfig description and help text libnvdimm/pmem: Fix crash triggered when I/O in-flight during unbind 
Pull libnvdimm updates from Dan Williams:

 - Fix a race condition in the teardown path of raw mode pmem
   namespaces.

 - Cleanup the code that filesystems use to detect filesystem-dax
   capabilities of their underlying block device.

* tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax: remove bdev_dax_supported
  xfs: factor out a xfs_buftarg_is_dax helper
  dax: stub out dax_supported for !CONFIG_FS_DAX
  dax: remove __generic_fsdax_supported
  dax: move the dax_read_lock() locking into dax_supported
  dax: mark dax_get_by_host static
  dm: use fs_dax_get_by_bdev instead of dax_get_by_host
  dax: stop using bdevname
  fsdax: improve the FS_DAX Kconfig description and help text
  libnvdimm/pmem: Fix crash triggered when I/O in-flight during unbind
dax: remove bdev_dax_supported 2021-08-26T23:52:03+00:00 Christoph Hellwig hch@lst.de 2021-08-26T13:55:10+00:00 bdd3c50d83bf7f6acc869b48d02670d19030ae03 All callers already have a dax_device obtained from fs_dax_get_by_bdev at hand, so just pass that to dax_supported() insted of doing another lookup. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Link: https://lore.kernel.org/r/20210826135510.6293-10-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
All callers already have a dax_device obtained from fs_dax_get_by_bdev
at hand, so just pass that to dax_supported() insted of doing another
lookup.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20210826135510.6293-10-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
ext2: Convert to using invalidate_lock 2021-07-13T12:29:00+00:00 Jan Kara jack@suse.cz 2021-04-12T16:43:11+00:00 70f3bad8c3154ba5f241c03f9c0cd050887a119c Ext2 has its private dax_sem used for synchronizing page faults and truncation. Use mapping->invalidate_lock instead as it is meant for this purpose. CC: <linux-ext4@vger.kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz> 
Ext2 has its private dax_sem used for synchronizing page faults and
truncation. Use mapping->invalidate_lock instead as it is meant for this
purpose.

CC: <linux-ext4@vger.kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Merge tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2021-04-29T18:06:13+00:00 Linus Torvalds torvalds@linux-foundation.org 2021-04-29T18:06:13+00:00 3644286f6cbcea86f6fa4d308e7ac06bf2a3715a Pull fsnotify updates from Jan Kara: - support for limited fanotify functionality for unpriviledged users - faster merging of fanotify events - a few smaller fsnotify improvements * tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: shmem: allow reporting fanotify events with file handles on tmpfs fs: introduce a wrapper uuid_to_fsid() fanotify_user: use upper_32_bits() to verify mask fanotify: support limited functionality for unprivileged users fanotify: configurable limits via sysfs fanotify: limit number of event merge attempts fsnotify: use hash table for faster events merge fanotify: mix event info and pid into merge key hash fanotify: reduce event objectid to 29-bit hash fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue 
Pull fsnotify updates from Jan Kara:

 - support for limited fanotify functionality for unpriviledged users

 - faster merging of fanotify events

 - a few smaller fsnotify improvements

* tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  shmem: allow reporting fanotify events with file handles on tmpfs
  fs: introduce a wrapper uuid_to_fsid()
  fanotify_user: use upper_32_bits() to verify mask
  fanotify: support limited functionality for unprivileged users
  fanotify: configurable limits via sysfs
  fanotify: limit number of event merge attempts
  fsnotify: use hash table for faster events merge
  fanotify: mix event info and pid into merge key hash
  fanotify: reduce event objectid to 29-bit hash
  fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue
fs: introduce a wrapper uuid_to_fsid() 2021-04-19T14:03:15+00:00 Amir Goldstein amir73il@gmail.com 2021-03-22T17:39:43+00:00 9591c3a34f7722bd77f42c98d76fd5a5bad465f0 Some filesystem's use a digest of their uuid for f_fsid. Create a simple wrapper for this open coded folding. Filesystems that have a non null uuid but use the block device number for f_fsid may also consider using this helper. [JK: Added missing asm/byteorder.h include] Link: https://lore.kernel.org/r/20210322173944.449469-2-amir73il@gmail.com Acked-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz> 
Some filesystem's use a digest of their uuid for f_fsid.
Create a simple wrapper for this open coded folding.

Filesystems that have a non null uuid but use the block device
number for f_fsid may also consider using this helper.

[JK: Added missing asm/byteorder.h include]
Link: https://lore.kernel.org/r/20210322173944.449469-2-amir73il@gmail.com
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/ext2/: fix misspellings using codespell tool 2021-03-19T10:28:09+00:00 Liu xuzhi liu.xuzhi@zte.com.cn 2021-03-19T00:31:31+00:00 e312c97ea253f076f11ac38cbe81075a48557f65 A typo is found out by codespell tool in 1107th lines of super.c: $ codespell ./fs/ext2/ ./super.c:1107: fileystem ==> filesystem Fix a typo found by codespell. Link: https://lore.kernel.org/r/20210319003131.484738-1-liu.xuzhi@zte.com.cn Signed-off-by: Liu xuzhi <liu.xuzhi@zte.com.cn> Signed-off-by: Jan Kara <jack@suse.cz> 
A typo is found out by codespell tool in 1107th lines of super.c:

$ codespell ./fs/ext2/
./super.c:1107: fileystem  ==> filesystem

Fix a typo found by codespell.

Link: https://lore.kernel.org/r/20210319003131.484738-1-liu.xuzhi@zte.com.cn
Signed-off-by: Liu xuzhi <liu.xuzhi@zte.com.cn>
Signed-off-by: Jan Kara <jack@suse.cz>
ext2: Remove unnecessary blank 2020-11-03T10:16:04+00:00 Xianting Tian tian.xianting@h3c.com 2020-10-10T09:43:35+00:00 a219ee41899bcfabd63cd6617256d5be13a7f4b6 Remove unnecessary blank when calling kmalloc_array(). Link: https://lore.kernel.org/r/20201010094335.39797-1-tian.xianting@h3c.com Signed-off-by: Xianting Tian <tian.xianting@h3c.com> Signed-off-by: Jan Kara <jack@suse.cz> 
Remove unnecessary blank when calling kmalloc_array().

Link: https://lore.kernel.org/r/20201010094335.39797-1-tian.xianting@h3c.com
Signed-off-by: Xianting Tian <tian.xianting@h3c.com>
Signed-off-by: Jan Kara <jack@suse.cz>