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path: root/fs/xfs/quota/xfs_dquot.c
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* xfs: use wait queues directly for the log wait queuesDave Chinner2010-12-211-1/+0
| | | | | | | | | | | | | | The log grant queues are one of the few places left using sv_t constructs for waiting. Given we are touching this code, we should convert them to plain wait queues. While there, convert all the other sv_t users in the log code as well. Seeing as this removes the last users of the sv_t type, remove the header file defining the wrapper and the fragments that still reference it. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: stop using xfs_qm_dqtobp in xfs_qm_dqflushChristoph Hellwig2010-10-181-88/+76
| | | | | | | | | | | | | | | In xfs_qm_dqflush we know that q_blkno must be initialized already from a previous xfs_qm_dqread. So instead of calling xfs_qm_dqtobp we can simply read the quota buffer directly. This also saves us from a duplicate xfs_qm_dqcheck call check and allows xfs_qm_dqtobp to be simplified now that it is always called for a newly initialized inode. In addition to that properly unwind all locks in xfs_qm_dqflush when xfs_qm_dqcheck fails. This mirrors a similar cleanup in the inode lookup done earlier. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: remove unused delta tracking code in xfs_bmapiChristoph Hellwig2010-07-261-2/+2
| | | | | | | | | | | | This code was introduced four years ago in commit 3e57ecf640428c01ba1ed8c8fc538447ada1715b without any review and has been unused since. Remove it just as the rest of the code introduced in that commit to reduce that stack usage and complexity in this central piece of code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* xfs: simplify inode to transaction joiningChristoph Hellwig2010-07-261-8/+1
| | | | | | | | | | | | | | | | Currently we need to either call IHOLD or xfs_trans_ihold on an inode when joining it to a transaction via xfs_trans_ijoin. This patches instead makes xfs_trans_ijoin usable on it's own by doing an implicity xfs_trans_ihold, which also allows us to drop the third argument. For the case where we want to hold a reference on the inode a xfs_trans_ijoin_ref wrapper is added which does the IHOLD and marks the inode for needing an xfs_iput. In addition to the cleaner interface to the caller this also simplifies the implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* xfs: give li_cb callbacks the correct prototypeChristoph Hellwig2010-07-261-48/+43
| | | | | | | | | Stop the function pointer casting madness and give all the li_cb instances correct prototype. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* xfs: remove unneeded #include statementsChristoph Hellwig2010-07-261-9/+0
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: drop dmapi hooksChristoph Hellwig2010-07-261-1/+0
| | | | | | | | | | | | | | Dmapi support was never merged upstream, but we still have a lot of hooks bloating XFS for it, all over the fast pathes of the filesystem. This patch drops over 700 lines of dmapi overhead. If we'll ever get HSM support in mainline at least the namespace events can be done much saner in the VFS instead of the individual filesystem, so it's not like this is much help for future work. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* xfs: Clean up XFS_BLI_* flag namespaceDave Chinner2010-05-241-3/+3
| | | | | | | | | | | | | Clean up the buffer log format (XFS_BLI_*) flags because they have a polluted namespace. They XFS_BLI_ prefix is used for both in-memory and on-disk flag feilds, but have overlapping values for different flags. Rename the buffer log format flags to use the XFS_BLF_* prefix to avoid confusing them with the in-memory XFS_BLI_* prefixed flags. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: remove a few macro indirections in the quota codeChristoph Hellwig2010-05-191-5/+11
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: access quotainfo structure directlyChristoph Hellwig2010-05-191-28/+29
| | | | | | | | | | Access fields in m_quotainfo directly instead of hiding them behind the XFS_QI_* macros. Add local variables for the quotainfo pointer in places where we have lots of them. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: convert the dquot free list to use list headsDave Chinner2010-05-191-44/+31
| | | | | | | | | Convert the dquot free list on the filesystem to use listhead infrastructure rather than the roll-your-own in the quota code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert the dquot hash list to use list headsDave Chinner2010-05-191-22/+10
| | | | | | | | Convert the dquot hash list on the filesystem to use listhead infrastructure rather than the roll-your-own in the quota code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert the per-mount dquot list to use list headsDave Chinner2010-05-191-9/+12
| | | | | | | | Convert the dquot list on the filesytesm to use listhead infrastructure rather than the roll-your-own in the quota code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: kill the unused XFS_QMOPT_* flush flags V2Dave Chinner2010-02-041-7/+6
| | | | | | | | | | | | | | dquots are never flushed asynchronously. Remove the flag and the async write support from the flush function. Make the default flush a delwri flush to make the inode flush code, which leaves the XFS_QMOPT_SYNC the only flag remaining. Convert that to use SYNC_WAIT instead, just like the inode flush code. V2: - just pass flush flags straight through Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: Use delay write promotion for dquot flushingDave Chinner2010-01-261-15/+10
| | | | | | | | | | | | | xfs_qm_dqflock_pushbuf_wait() does a very similar trick to item pushing used to do to flush out delayed write dquot buffers. Change it to use the new promotion method rather than an async flush. Also, xfs_qm_dqflock_pushbuf_wait() can return without the flush lock held, yet the callers make the assumption that after this call the flush lock is held. Always return with the flush lock held. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: cleanup up xfs_log_force calling conventionsChristoph Hellwig2010-01-211-6/+4
| | | | | | | | | | | | | | | | Remove the XFS_LOG_FORCE argument which was always set, and the XFS_LOG_URGE define, which was never used. Split xfs_log_force into a two helpers - xfs_log_force which forces the whole log, and xfs_log_force_lsn which forces up to the specified LSN. The underlying implementations already were entirely separate, as were the users. Also re-indent the new _xfs_log_force/_xfs_log_force which previously had a weird coding style. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: remove duplicate buffer flagsChristoph Hellwig2010-01-211-2/+1
| | | | | | | | | | | | | Currently we define aliases for the buffer flags in various namespaces, which only adds confusion. Remove all but the XBF_ flags to clean this up a bit. Note that we still abuse XFS_B_ASYNC/XBF_ASYNC for some non-buffer uses, but I'll clean that up later. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: kill XFS_QMOPT_ASYNCChristoph Hellwig2010-01-211-2/+0
| | | | | | | | | The option is unused and one of the few remaining users of xfs_bawrite, so let's get rid of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: event tracing supportChristoph Hellwig2009-12-141-79/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the old xfs tracing support that could only be used with the out of tree kdb and xfsidbg patches to use the generic event tracer. To use it make sure CONFIG_EVENT_TRACING is enabled and then enable all xfs trace channels by: echo 1 > /sys/kernel/debug/tracing/events/xfs/enable or alternatively enable single events by just doing the same in one event subdirectory, e.g. echo 1 > /sys/kernel/debug/tracing/events/xfs/xfs_ihold/enable or set more complex filters, etc. In Documentation/trace/events.txt all this is desctribed in more detail. To reads the events do a cat /sys/kernel/debug/tracing/trace Compared to the last posting this patch converts the tracing mostly to the one tracepoint per callsite model that other users of the new tracing facility also employ. This allows a very fine-grained control of the tracing, a cleaner output of the traces and also enables the perf tool to use each tracepoint as a virtual performance counter, allowing us to e.g. count how often certain workloads git various spots in XFS. Take a look at http://lwn.net/Articles/346470/ for some examples. Also the btree tracing isn't included at all yet, as it will require additional core tracing features not in mainline yet, I plan to deliver it later. And the really nice thing about this patch is that it actually removes many lines of code while adding this nice functionality: fs/xfs/Makefile | 8 fs/xfs/linux-2.6/xfs_acl.c | 1 fs/xfs/linux-2.6/xfs_aops.c | 52 - fs/xfs/linux-2.6/xfs_aops.h | 2 fs/xfs/linux-2.6/xfs_buf.c | 117 +-- fs/xfs/linux-2.6/xfs_buf.h | 33 fs/xfs/linux-2.6/xfs_fs_subr.c | 3 fs/xfs/linux-2.6/xfs_ioctl.c | 1 fs/xfs/linux-2.6/xfs_ioctl32.c | 1 fs/xfs/linux-2.6/xfs_iops.c | 1 fs/xfs/linux-2.6/xfs_linux.h | 1 fs/xfs/linux-2.6/xfs_lrw.c | 87 -- fs/xfs/linux-2.6/xfs_lrw.h | 45 - fs/xfs/linux-2.6/xfs_super.c | 104 --- fs/xfs/linux-2.6/xfs_super.h | 7 fs/xfs/linux-2.6/xfs_sync.c | 1 fs/xfs/linux-2.6/xfs_trace.c | 75 ++ fs/xfs/linux-2.6/xfs_trace.h | 1369 +++++++++++++++++++++++++++++++++++++++++ fs/xfs/linux-2.6/xfs_vnode.h | 4 fs/xfs/quota/xfs_dquot.c | 110 --- fs/xfs/quota/xfs_dquot.h | 21 fs/xfs/quota/xfs_qm.c | 40 - fs/xfs/quota/xfs_qm_syscalls.c | 4 fs/xfs/support/ktrace.c | 323 --------- fs/xfs/support/ktrace.h | 85 -- fs/xfs/xfs.h | 16 fs/xfs/xfs_ag.h | 14 fs/xfs/xfs_alloc.c | 230 +----- fs/xfs/xfs_alloc.h | 27 fs/xfs/xfs_alloc_btree.c | 1 fs/xfs/xfs_attr.c | 107 --- fs/xfs/xfs_attr.h | 10 fs/xfs/xfs_attr_leaf.c | 14 fs/xfs/xfs_attr_sf.h | 40 - fs/xfs/xfs_bmap.c | 507 +++------------ fs/xfs/xfs_bmap.h | 49 - fs/xfs/xfs_bmap_btree.c | 6 fs/xfs/xfs_btree.c | 5 fs/xfs/xfs_btree_trace.h | 17 fs/xfs/xfs_buf_item.c | 87 -- fs/xfs/xfs_buf_item.h | 20 fs/xfs/xfs_da_btree.c | 3 fs/xfs/xfs_da_btree.h | 7 fs/xfs/xfs_dfrag.c | 2 fs/xfs/xfs_dir2.c | 8 fs/xfs/xfs_dir2_block.c | 20 fs/xfs/xfs_dir2_leaf.c | 21 fs/xfs/xfs_dir2_node.c | 27 fs/xfs/xfs_dir2_sf.c | 26 fs/xfs/xfs_dir2_trace.c | 216 ------ fs/xfs/xfs_dir2_trace.h | 72 -- fs/xfs/xfs_filestream.c | 8 fs/xfs/xfs_fsops.c | 2 fs/xfs/xfs_iget.c | 111 --- fs/xfs/xfs_inode.c | 67 -- fs/xfs/xfs_inode.h | 76 -- fs/xfs/xfs_inode_item.c | 5 fs/xfs/xfs_iomap.c | 85 -- fs/xfs/xfs_iomap.h | 8 fs/xfs/xfs_log.c | 181 +---- fs/xfs/xfs_log_priv.h | 20 fs/xfs/xfs_log_recover.c | 1 fs/xfs/xfs_mount.c | 2 fs/xfs/xfs_quota.h | 8 fs/xfs/xfs_rename.c | 1 fs/xfs/xfs_rtalloc.c | 1 fs/xfs/xfs_rw.c | 3 fs/xfs/xfs_trans.h | 47 + fs/xfs/xfs_trans_buf.c | 62 - fs/xfs/xfs_vnodeops.c | 8 70 files changed, 2151 insertions(+), 2592 deletions(-) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: use generic Posix ACL codeChristoph Hellwig2009-06-101-1/+0
| | | | | | | | | | | | This patch rips out the XFS ACL handling code and uses the generic fs/posix_acl.c code instead. The ondisk format is of course left unchanged. This also introduces the same ACL caching all other Linux filesystems do by adding pointers to the acl and default acl in struct xfs_inode. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* xfs: kill xfs_qmopsChristoph Hellwig2009-06-081-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kill the quota ops function vector and replace it with direct calls or stubs in the CONFIG_XFS_QUOTA=n case. Make sure we check XFS_IS_QUOTA_RUNNING in the right spots. We can remove the number of those checks because the XFS_TRANS_DQ_DIRTY flag can't be set otherwise. This brings us back closer to the way this code worked in IRIX and earlier Linux versions, but we keep a lot of the more useful factoring of common code. Eventually we should also kill xfs_qm_bhv.c, but that's left for a later patch. Reduces the size of the source code by about 250 lines and the size of XFS module by about 1.5 kilobytes with quotas enabled: text data bss dec hex filename 615957 2960 3848 622765 980ad fs/xfs/xfs.o 617231 3152 3848 624231 98667 fs/xfs/xfs.o.old Fallout: - xfs_qm_dqattach is split into xfs_qm_dqattach_locked which expects the inode locked and xfs_qm_dqattach which does the locking around it, thus removing XFS_QMOPT_ILOCKED. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* xfs: sanitize qh_lock wrappersChristoph Hellwig2009-02-091-14/+14
| | | | | | | | | | Get rid of various obsfucating wrappers for accessing the quota hash lock, we only keep the accessors for accessing the mplist and freelist locks as they encode a multi-level datastructure walk. But make sure all of them are defined in the same way as simple macros. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: add a lock class for group/project dquotsChristoph Hellwig2009-01-191-1/+11
| | | | | | | | | We can have both a user and a group/project dquot locked at the same time, as long as the user dquot is locked first. Tell lockdep about that fact by making the group/project dquots a different lock class. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: lockdep annotations for xfs_dqlock2Christoph Hellwig2009-01-191-10/+14
| | | | | | | | | xfs_dqlock2 locks two xfs_dquots, which is fine as it always locks the dquot with the lower id first. Use mutex_lock_nested to tell lockdep about this fact. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* [XFS] Remove the rest of the macro-to-function indirections.Eric Sandeen2009-01-161-1/+1
| | | | | | | | Remove the last of the macros-defined-to-static-functions. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Finish removing the mount pointer from the AIL APIDavid Chinner2008-10-301-8/+7
| | | | | | | | | | | | | | | | | | Change all the remaining AIL API functions that are passed struct xfs_mount pointers to pass pointers directly to the struct xfs_ail being used. With this conversion, all external access to the AIL is via the struct xfs_ail. Hence the operation and referencing of the AIL is almost entirely independent of the xfs_mount that is using it - it is now much more tightly tied to the log and the items it is tracking in the log than it is tied to the xfs_mount. SGI-PV: 988143 SGI-Modid: xfs-linux-melb:xfs-kern:32353a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
* [XFS] Move the AIL lock into the struct xfs_ailDavid Chinner2008-10-301-2/+2
| | | | | | | | | | | | | | Bring the ail lock inside the struct xfs_ail. This means the AIL can be entirely manipulated via the struct xfs_ail rather than needing both the struct xfs_mount and the struct xfs_ail. SGI-PV: 988143 SGI-Modid: xfs-linux-melb:xfs-kern:32350a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
* [XFS] Allow 64 bit machines to avoid the AIL lock during flushesDavid Chinner2008-10-301-4/+2
| | | | | | | | | | | | | | | | | | | When copying lsn's from the log item to the inode or dquot flush lsn, we currently grab the AIL lock. We do this because the LSN is a 64 bit quantity and it needs to be read atomically. The lock is used to guarantee atomicity for 32 bit platforms. Make the LSN copying a small function, and make the function used conditional on BITS_PER_LONG so that 64 bit machines don't need to take the AIL lock in these places. SGI-PV: 988143 SGI-Modid: xfs-linux-melb:xfs-kern:32349a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
* [XFS] don't block in xfs_qm_dqflush() during async writeback.David Chinner2008-10-301-7/+5
| | | | | | | | | | | | | | | | | | | | | | Normally dquots are written back via delayed write mechanisms. They are flushed to their backing buffer by xfssyncd, which is then pushed out by either AIL or xfsbufd flushing. The flush from the xfssyncd is supposed to be non-blocking, but xfs_qm_dqflush() always waits for pinned duots, which means that it will block for the length of time it takes to do a synchronous log force. This causes unnecessary extra log I/O to be issued whenever we try to flush a busy dquot. Avoid the log forces and blocking xfssyncd by making xfs_qm_dqflush() pay attention to what type of sync it is doing when it sees a pinned dquot and not waiting when doing non-blocking flushes. SGI-PV: 988147 SGI-Modid: xfs-linux-melb:xfs-kern:32287a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Peter Leckie <pleckie@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Clean up dquot pincount code.Peter Leckie2008-10-301-3/+3
| | | | | | | | | | | | | | | | | | | | | | | This is a code cleanup and optimization that removes a per mount point spinlock from the quota code and cleans up the code. The patch changes the pincount from being an int protected by a spinlock to an atomic_t allowing the pincount to be manipulated without holding the spinlock. This cleanup also protects against random wakup's of both the aild and xfssyncd by reevaluating the pincount after been woken. Two latter patches will address the Spurious wakeups. SGI-PV: 986789 SGI-Modid: xfs-linux-melb:xfs-kern:32215a Signed-off-by: Peter Leckie <pleckie@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Use KM_NOFS for debug trace buffersLachlan McIlroy2008-08-131-1/+1
| | | | | | | | | | | | | | | | | | | Use KM_NOFS to prevent recursion back into the filesystem which can cause deadlocks. In the case of xfs_iread() we hold the lock on the inode cluster buffer while allocating memory for the trace buffers. If we recurse back into XFS to flush data that may require a transaction to allocate extents which needs log space. This can deadlock with the xfsaild thread which can't push the tail of the log because it is trying to get the inode cluster buffer lock. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31838a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <david@fromorbit.com>
* [XFS] replace dquot flush semaphore with a completionDavid Chinner2008-08-131-22/+12
| | | | | | | | | | | | Use the new completion flush code to implement the dquot flush lock. Removes one of the final users of semaphores in the XFS code base. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31822a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] remove remaining VN_HOLD callsChristoph Hellwig2008-08-131-1/+1
| | | | | | | | | | | Use IHOLD(ip) instead of VN_HOLD(VFS_I(ip)). SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31765a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Kill shouty XFS_ITOV() macroDavid Chinner2008-08-131-1/+1
| | | | | | | | | | | | | Replace XFS_ITOV() with the new VFS_I() inline. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31724a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove unused Falgs parameter from xfs_qm_dqpurge()Denys Vlasenko2008-07-281-2/+1
| | | | | | | | | SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31056a Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] shrink mrlock_tChristoph Hellwig2008-04-291-2/+2
| | | | | | | | | | | | | | | The writer field is not needed for non_DEBU builds so remove it. While we're at i also clean up the interface for is locked asserts to go through and xfs_iget.c helper with an interface like the xfs_ilock routines to isolated the XFS codebase from mrlock internals. That way we can kill mrlock_t entirely once rw_semaphores grow an islocked facility. Also remove unused flags to the ilock family of functions. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30902a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Ensure xfs_bawrite() errors are checked.David Chinner2008-04-181-2/+8
| | | | | | | | | | | | | | xfs_bawrite() can return immediate error status on async writes. Unlike xfsbdstrat() we don't ever check the error on the buffer after the call, so we currently do not catch errors at all here. Ensure we catch and propagate or warn to the syslog about up-front async write errors. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30824a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Check for dquot flush errorsDavid Chinner2008-04-181-4/+6
| | | | | | | | | | | | | xfs_qm_dqflush() can fail, but the return is not checked anywhere. Hence we never know if we've failed to flush a dquot to disk. Propagate the error and warn to the syslog if a flush ever fails. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30787a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Unwrap AIL_LOCKDonald Douwsma2008-02-071-7/+5
| | | | | | | | | SGI-PV: 970382 SGI-Modid: xfs-linux-melb:xfs-kern:29739a Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] The last argument "lsn" of xfs_trans_commit() is always called withEric Sandeen2007-05-081-2/+1
| | | | | | | | | | | | | NULL. Patch provided by Eric Sandeen. SGI-PV: 961693 SGI-Modid: xfs-linux-melb:xfs-kern:28199a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove unused header files for MAC and CAP checking functionality.Eric Sandeen2007-02-101-2/+0
| | | | | | | | | | | | | | | | | | xfs_mac.h and xfs_cap.h provide definitions and macros that aren't used anywhere in XFS at all. They are left-overs from "to be implement at some point in the future" functionality that Irix XFS has. If this functionality ever goes into Linux, it will be provided at a different layer, most likely through the security hooks in the kernel so we will never need this functionality in XFS. Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960895 SGI-Modid: xfs-linux-melb:xfs-kern:28036a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove unused argument to xfs_bmap_finishEric Sandeen2007-02-101-1/+1
| | | | | | | | | | | | | | The firstblock argument to xfs_bmap_finish is not used by that function. Remove it and cleanup the code a bit. Patch provided by Eric Sandeen. SGI-PV: 960196 SGI-Modid: xfs-linux-melb:xfs-kern:28034a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove version 1 directory code. Never functioned on Linux, justNathan Scott2006-06-201-2/+0
| | | | | | | | | pure bloat. SGI-PV: 952969 SGI-Modid: xfs-linux-melb:xfs-kern:26251a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Shutdown the filesystem if all device paths have gone. MadeNathan Scott2006-06-091-1/+1
| | | | | | | | | shutdown vop flags consistent with sync vop flags declarations too. SGI-PV: 939911 SGI-Modid: xfs-linux-melb:xfs-kern:26096a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Add parameters to xfs_bmapi() and xfs_bunmapi() to have them reportOlaf Weber2006-06-091-2/+2
| | | | | | | | | | | | | | the range spanned by modifications to the in-core extent map. Add XFS_BUNMAPI() and XFS_SWAP_EXTENTS() macros that call xfs_bunmapi() and xfs_swap_extents() via the ioops vector. Change all calls that may modify the in-core extent map for the data fork to go through the ioops vector. This allows a cache of extent map data to be kept in sync. SGI-PV: 947615 SGI-Modid: xfs-linux-melb:xfs-kern:209226a Signed-off-by: Olaf Weber <olaf@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [PATCH] mutex subsystem, semaphore to mutex: XFSJes Sorensen2006-01-091-2/+2
| | | | | | | | | | This patch switches XFS over to use the new mutex code directly as opposed to the previous workaround patch I posted earlier that avoided the namespace clash by forcing it back to semaphores. This falls in the 'works for me<tm>' category. Signed-off-by: Jes Sorensen <jes@trained-monkey.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* [XFS] endianess annotations and cleanup for the quota codeChristoph Hellwig2005-11-021-95/+89
| | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux:xfs-kern:199767a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Update license/copyright notices to match the prefered SGINathan Scott2005-11-021-27/+11
| | | | | | | | | boilerplate. SGI-PV: 913862 SGI-Modid: xfs-linux:xfs-kern:23917a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Remove xfs_macros.c, xfs_macros.h, rework headers a whole lot.Nathan Scott2005-11-021-6/+6
| | | | | | | SGI-PV: 943122 SGI-Modid: xfs-linux:xfs-kern:23901a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix signedness issues in dquot ID handling, allowing uids/gids aboveNathan Scott2005-11-021-2/+1
| | | | | | | | | MAXINT SGI-PV: 942528 SGI-Modid: xfs-linux:xfs-kern:23828a Signed-off-by: Nathan Scott <nathans@sgi.com>
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