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The branch, for-next has been updated
ad7df6e Merge branch 'xfs-sb-logging-rework' into for-next
6bcf093 Merge branch 'xfs-misc-fixes-for-3.20-2' into for-next
324f8e7 xfs: sanitise sb_bad_features2 handling
7b2b916 xfs: consolidate superblock logging functions
82a0064 xfs: remove bitfield based superblock updates
43fd1fc xfs: fix implicit bool to int conversion
d32057f xfs: pass a 64-bit count argument to xfs_iomap_write_unwritten
64af7a6 xfs: remove deprecated sysctls
aa5d95c xfs: move xfs_bmap_finish prototype
9799b43 xfs: move struct xfs_bmalloca to libxfs
5ebdc21 xfs: move xfs_types.h to libxfs
2155355 xfs: move xfs_fs.h to libxfs
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- Log -----------------------------------------------------------------
commit ad7df6e858efe516e5f0d85832140307e8bb2966
Merge: 6bcf093 324f8e7
Author: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri Jan 9 11:08:31 2015 +1100
Merge branch 'xfs-sb-logging-rework' into for-next
Conflicts:
fs/xfs/xfs_mount.c
commit 6bcf0939ff12464c7ea24c056826b8a26def9b06
Merge: efdca7a 43fd1fc
Author: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri Jan 9 11:06:17 2015 +1100
Merge branch 'xfs-misc-fixes-for-3.20-2' into for-next
commit 324f8e7e534a19771a567bd54600605ce948fa17
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 11:05:47 2015 +1100
xfs: sanitise sb_bad_features2 handling
We currently have to ensure that every time we update sb_features2
that we update sb_bad_features2. Now that we log and format the
superblock in it's entirety we actually don't have to care because
we can simply update the sb_bad_features2 when we format it into the
buffer. This removes the need for anything but the mount and
superblock formatting code to care about sb_bad_features2, and
hence removes the possibility that we forget to update bad_features2
when necessary in the future.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 7b2b9162b882688113c876a6f2fc2eebea5f8a18
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 11:04:48 2015 +1100
xfs: consolidate superblock logging functions
We now have several superblock loggin functions that are identical
except for the transaction reservation and whether it shoul dbe a
synchronous transaction or not. Consolidate these all into a single
function, a single reserveration and a sync flag and call it
xfs_sync_sb().
Also, xfs_mod_sb() is not really a modification function - it's the
operation of logging the superblock buffer. hence change the name of
it to reflect this.
Note that we have to change the mp->m_update_flags that are passed
around at mount time to a boolean simply to indicate a superblock
update is needed.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 82a0064d5954394c55ef76cafdf563b2373cb21f
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 11:02:44 2015 +1100
xfs: remove bitfield based superblock updates
When we log changes to the superblock, we first have to write them
to the on-disk buffer, and then log that. Right now we have a
complex bitfield based arrangement to only write the modified field
to the buffer before we log it.
This used to be necessary as a performance optimisation because we
logged the superblock buffer in every extent or inode allocation or
freeing, and so performance was extremely important. We haven't done
this for years, however, ever since the lazy superblock counters
pulled the superblock logging out of the transaction commit
fast path.
Hence we have a bunch of complexity that is not necessary that makes
writing the in-core superblock to disk much more complex than it
needs to be. We only need to log the superblock now during
management operations (e.g. during mount, unmount or quota control
operations) so it is not a performance critical path anymore.
As such, remove the complex field based logging mechanism and
replace it with a simple conversion function similar to what we use
for all other on-disk structures.
This means we always log the entirity of the superblock, but again
because we rarely modify the superblock this is not an issue for log
bandwidth or CPU time. Indeed, if we do log the superblock
frequently, delayed logging will minimise the impact of this
overhead.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 43fd1fce9643586e0995ee5d11fb40641575348a
Author: Nicholas Mc Guire <der.herr@xxxxxxx>
Date: Fri Jan 9 10:48:58 2015 +1100
xfs: fix implicit bool to int conversion
try_wait_for_completion returns bool so the wrapper function
xfs_dqflock_nowait should probably also return bool and not int.
Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit d32057fc84c141af22ddf07b58e52570e52369cd
Author: Christoph Hellwig <hch@xxxxxx>
Date: Fri Jan 9 10:48:12 2015 +1100
xfs: pass a 64-bit count argument to xfs_iomap_write_unwritten
The code is already ready for it, and the pnfs layout commit code expects
to be able to pass a larger than 32-bit argument.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 64af7a6ea5a4c7e12ae79415250d054424b7e0c2
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 10:47:43 2015 +1100
xfs: remove deprecated sysctls
xfsbufd_centisecs and age_buffer_centisecs were due for removal in
3.14. We forgot to do that - it's now well past time to remove these
deprecated, unused sysctls.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit aa5d95c1b57792119804c587b9a468019219d7e0
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 10:47:14 2015 +1100
xfs: move xfs_bmap_finish prototype
This function is used libxfs code, but is implemented separately in
userspace. Move the function prototype to xfs_bmap.h so that the
prototype is shared even if the implementations aren't.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 9799b438ce21662fa173ffc0b30d93567a71dfa0
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 10:46:49 2015 +1100
xfs: move struct xfs_bmalloca to libxfs
It no long is used for stack splits, so strip the kernel workqueue
bits from it and push it back into libxfs/xfs_bmap.h so that
it can be shared with the userspace code.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 5ebdc213ac02877e23fe7594d4b92b120488aac9
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 10:46:31 2015 +1100
xfs: move xfs_types.h to libxfs
The types used by the core XFS code are common between kernel and
userspace. xfs_types.h is duplicated in both kernel and userspace,
so move it to libxfs along with all the other shared code.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 2155355fda502e75cd942db101fbb08e1a826ba8
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Fri Jan 9 10:45:13 2015 +1100
xfs: move xfs_fs.h to libxfs
Ioctl API definitions are shared with userspace, so move the header
file that defines them all to libxfs along with all the other code
shared with userspace.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/libxfs/xfs_attr_leaf.c | 2 +-
fs/xfs/libxfs/xfs_bmap.c | 14 +-
fs/xfs/libxfs/xfs_bmap.h | 33 ++++
fs/xfs/libxfs/xfs_format.h | 14 +-
fs/xfs/{ => libxfs}/xfs_fs.h | 0
fs/xfs/libxfs/xfs_sb.c | 333 +++++++++++++++++-----------------------
fs/xfs/libxfs/xfs_sb.h | 11 +-
fs/xfs/libxfs/xfs_shared.h | 33 ++--
fs/xfs/libxfs/xfs_trans_resv.c | 14 --
fs/xfs/libxfs/xfs_trans_resv.h | 1 -
fs/xfs/{ => libxfs}/xfs_types.h | 0
fs/xfs/xfs_bmap_util.h | 37 +----
fs/xfs/xfs_dquot.h | 2 +-
fs/xfs/xfs_fsops.c | 33 +---
fs/xfs/xfs_iomap.c | 2 +-
fs/xfs/xfs_iomap.h | 2 +-
fs/xfs/xfs_log.c | 18 ++-
fs/xfs/xfs_mount.c | 106 +++----------
fs/xfs/xfs_mount.h | 5 +-
fs/xfs/xfs_qm.c | 43 +-----
fs/xfs/xfs_qm.h | 1 -
fs/xfs/xfs_qm_syscalls.c | 14 +-
fs/xfs/xfs_super.c | 13 +-
fs/xfs/xfs_sysctl.c | 18 ---
24 files changed, 265 insertions(+), 484 deletions(-)
rename fs/xfs/{ => libxfs}/xfs_fs.h (100%)
rename fs/xfs/{ => libxfs}/xfs_types.h (100%)
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