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* xfs: refactor recovered EFI log item playbackDarrick J. Wong2020-05-084-61/+45
| | | | | | | | | | Move the code that processes the log items created from the recovered log items into the per-item source code files and use dispatch functions to call them. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: remove log recovery quotaoff item dispatch for pass2 commit functionsDarrick J. Wong2020-05-082-27/+7
| | | | | | | | | | Quotaoff doesn't actually do anything, so take advantage of the commit_pass2 pointer being optional and get rid of the switch statement clause. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery BUI item dispatch for pass2 commit functionsDarrick J. Wong2020-05-083-132/+131
| | | | | | | | | | | Move the bmap update intent and intent-done pass2 commit code into the per-item source code files and use dispatch functions to call them. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery CUI item dispatch for pass2 commit functionsDarrick J. Wong2020-05-083-128/+127
| | | | | | | | | | | Move the refcount update intent and intent-done pass2 commit code into the per-item source code files and use dispatch functions to call them. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery RUI item dispatch for pass2 commit functionsDarrick J. Wong2020-05-083-104/+101
| | | | | | | | | | | Move the rmap update intent and intent-done pass2 commit code into the per-item source code files and use dispatch functions to call them. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery EFI item dispatch for pass2 commit functionsDarrick J. Wong2020-05-083-107/+104
| | | | | | | | | | | Move the extent free intent and intent-done pass2 commit code into the per-item source code files and use dispatch functions to call them. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery icreate item dispatch for pass2 commit functionsDarrick J. Wong2020-05-082-126/+132
| | | | | | | | | | Move the log icreate item pass2 commit code into the per-item source code files and use the dispatch function to call it. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery dquot item dispatch for pass2 commit functionsDarrick J. Wong2020-05-082-112/+109
| | | | | | | | | | Move the log dquot item pass2 commit code into the per-item source code files and use the dispatch function to call it. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery inode item dispatch for pass2 commit functionsDarrick J. Wong2020-05-082-355/+355
| | | | | | | | | | Move the log inode item pass2 commit code into the per-item source code files and use the dispatch function to call it. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery buffer item dispatch for pass2 commit functionsDarrick J. Wong2020-05-083-791/+820
| | | | | | | | | | Move the log buffer item pass2 commit code into the per-item source code files and use the dispatch function to call it. We do these one at a time because there's a lot of code to move. No functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery item dispatch for pass1 commit functionsDarrick J. Wong2020-05-084-89/+64
| | | | | | | | | Move the pass1 commit code into the per-item source code files and use the dispatch function to call them. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery item dispatch for pass2 readhead functionsDarrick J. Wong2020-05-085-92/+73
| | | | | | | | | Move the pass2 readhead code into the per-item source code files and use the dispatch function to call them. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: refactor log recovery item sorting into a generic dispatch structureDarrick J. Wong2020-05-0811-39/+265
| | | | | | | | | | | | | Create a generic dispatch structure to delegate recovery of different log item types into various code modules. This will enable us to move code specific to a particular log item type out of xfs_log_recover.c and into the log item source. The first operation we virtualize is the log item sorting. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert xfs_log_recover_item_t to struct xfs_log_recover_itemDarrick J. Wong2020-05-082-14/+16
| | | | | | | | Remove the old typedefs. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: remove unused iget_flags param from xfs_imap_to_bp()Brian Foster2020-05-075-11/+8
| | | | | | | | | | | iget_flags is unused in xfs_imap_to_bp(). Remove the parameter and fix up the callers. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: remove unused shutdown typesBrian Foster2020-05-072-6/+1
| | | | | | | | | | | | Both types control shutdown messaging and neither is used in the current codebase. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: random buffer write failure errortagBrian Foster2020-05-073-1/+12
| | | | | | | | | | | | | Introduce an error tag to randomly fail async buffer writes. This is primarily to facilitate testing of the XFS error configuration mechanism. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: remove unused iflush stale parameterBrian Foster2020-05-074-7/+6
| | | | | | | | | | | | The stale parameter was used to control the now unused shutdown parameter of xfs_trans_ail_remove(). Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: combine xfs_trans_ail_[remove|delete]()Brian Foster2020-05-076-43/+6
| | | | | | | | | | | | | | | | Now that the functions and callers of xfs_trans_ail_[remove|delete]() have been fixed up appropriately, the only difference between the two is the shutdown behavior. There are only a few callers of the _remove() variant, so make the shutdown conditional on the parameter and combine the two functions. Suggested-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: drop unused shutdown parameter from xfs_trans_ail_remove()Brian Foster2020-05-075-10/+5
| | | | | | | | | | | | | The shutdown parameter of xfs_trans_ail_remove() is no longer used. The remaining callers use it for items that legitimately might not be in the AIL or from contexts where AIL state has already been checked. Remove the unnecessary parameter and fix up the callers. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: use delete helper for items expected to be in AILBrian Foster2020-05-074-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | Various intent log items call xfs_trans_ail_remove() with a log I/O error shutdown type, but this helper historically checks whether an item is in the AIL before calling xfs_trans_ail_delete(). This means the shutdown check is essentially a no-op for users of xfs_trans_ail_remove(). It is possible that some items might not be AIL resident when the AIL remove attempt occurs, but this should be isolated to cases where the filesystem has already shutdown. For example, this includes abort of the transaction committing the intent and I/O error of the iclog buffer committing the intent to the log. Therefore, update these callsites to use xfs_trans_ail_delete() to provide AIL state validation for the common path of items being released and removed when associated done items commit to the physical log. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: acquire ->ail_lock from xfs_trans_ail_delete()Brian Foster2020-05-074-25/+25
| | | | | | | | | | | | | | | Several callers acquire the lock just prior to the call. Callers that require ->ail_lock for other purposes already check IN_AIL state and thus don't require the additional shutdown check in the helper. Push the lock down into xfs_trans_ail_delete(), open code the instances that still acquire it, and remove the unnecessary ailp parameter. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: abort consistently on dquot flush failureBrian Foster2020-05-071-22/+10
| | | | | | | | | | | | | | | The dquot flush handler effectively aborts the dquot flush if the filesystem is already shut down, but doesn't actually shut down if the flush fails. Update xfs_qm_dqflush() to consistently abort the dquot flush and shutdown the fs if the flush fails with an unexpected error. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: fix duplicate verification from xfs_qm_dqflush()Brian Foster2020-05-071-5/+4
| | | | | | | | | | | | | | The pre-flush dquot verification in xfs_qm_dqflush() duplicates the read verifier by checking the dquot in the on-disk buffer. Instead, verify the in-core variant before it is flushed to the buffer. Fixes: 7224fa482a6d ("xfs: add full xfs_dqblk verifier") Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: ratelimit unmount time per-buffer I/O error alertBrian Foster2020-05-071-4/+17
| | | | | | | | | | | | | | | | | | | | | At unmount time, XFS emits an alert for every in-core buffer that might have undergone a write error. In practice this behavior is probably reasonable given that the filesystem is likely short lived once I/O errors begin to occur consistently. Under certain test or otherwise expected error conditions, this can spam the logs and slow down the unmount. Now that we have a ratelimit mechanism specifically for buffer alerts, reuse it for the per-buffer alerts in xfs_wait_buftarg(). Also lift the final repair message out of the loop so it always prints and assert that the metadata error handling code has shut down the fs. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: refactor ratelimited buffer error messages into helperBrian Foster2020-05-075-17/+41
| | | | | | | | | | | | | | | | | | | | | | | | XFS has some inconsistent log message rate limiting with respect to buffer alerts. The metadata I/O error notification uses the generic ratelimited alert, the buffer push code uses a custom rate limit and the similar quiesce time failure checks are not rate limited at all (when they should be). The custom rate limit defined in the buf item code is specifically crafted for buffer alerts. It is more aggressive than generic rate limiting code because it must accommodate a high frequency of I/O error events in a relative short timeframe. Factor out the custom rate limit state from the buf item code into a per-buftarg rate limit so various alerts are limited based on the target. Define a buffer alert helper function and use it for the buffer alerts that are already ratelimited. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: reset buffer write failure state on successful completionBrian Foster2020-05-071-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The buffer write failure flag is intended to control the internal write retry that XFS has historically implemented to help mitigate the severity of transient I/O errors. The flag is set when a buffer is resubmitted from the I/O completion path due to a previous failure. It is checked on subsequent I/O completions to skip the internal retry and fall through to the higher level configurable error handling mechanism. The flag is cleared in the synchronous and delwri submission paths and also checked in various places to log write failure messages. There are a couple minor problems with the current usage of this flag. One is that we issue an internal retry after every submission from xfsaild due to how delwri submission clears the flag. This results in double the expected or configured number of write attempts when under sustained failures. Another more subtle issue is that the flag is never cleared on successful I/O completion. This can cause xfs_wait_buftarg() to suggest that dirty buffers are being thrown away due to the existence of the flag, when the reality is that the flag might still be set because the write succeeded on the retry. Clear the write failure flag on successful I/O completion to address both of these problems. This means that the internal retry attempt occurs once since the last time a buffer write failed and that various other contexts only see the flag set when the immediately previous write attempt has failed. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: remove unnecessary shutdown check from xfs_iflush()Brian Foster2020-05-072-19/+1
| | | | | | | | | | | | | | | The shutdown check in xfs_iflush() duplicates checks down in the buffer code. If the fs is shut down, xfs_trans_read_buf_map() always returns an error and falls into the same error path. Remove the unnecessary check along with the warning in xfs_imap_to_bp() that generates excessive noise in the log if the fs is shut down. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: simplify inode flush error handlingBrian Foster2020-05-071-72/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | The inode flush code has several layers of error handling between the inode and cluster flushing code. If the inode flush fails before acquiring the backing buffer, the inode flush is aborted. If the cluster flush fails, the current inode flush is aborted and the cluster buffer is failed to handle the initial inode and any others that might have been attached before the error. Since xfs_iflush() is the only caller of xfs_iflush_cluster(), the error handling between the two can be condensed in the top-level function. If we update xfs_iflush_int() to always fall through to the log item update and attach the item completion handler to the buffer, any errors that occur after the first call to xfs_iflush_int() can be handled with a buffer I/O failure. Lift the error handling from xfs_iflush_cluster() into xfs_iflush() and consolidate with the existing error handling. This also replaces the need to release the buffer because failing the buffer with XBF_ASYNC drops the current reference. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: factor out buffer I/O failure codeBrian Foster2020-05-074-27/+22
| | | | | | | | | | | | | We use the same buffer I/O failure code in a few different places. It's not much code, but it's not necessarily self-explanatory. Factor it into a helper and document it in one place. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: refactor failed buffer resubmission into xfsaildBrian Foster2020-05-075-71/+41
| | | | | | | | | | | | | | | | | | | | | | Flush locked log items whose underlying buffers fail metadata writeback are tagged with a special flag to indicate that the flush lock is already held. This is currently implemented in the type specific ->iop_push() callback, but the processing required for such items is not type specific because we're only doing basic state management on the underlying buffer. Factor the failed log item handling out of the inode and dquot ->iop_push() callbacks and open code the buffer resubmit helper into a single helper called from xfsaild_push_item(). This provides a generic mechanism for handling failed metadata buffer writeback with a bit less code. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: clean up the error handling in xfs_swap_extentsDarrick J. Wong2020-05-061-1/+1
| | | | | | | | | Make sure we release resources properly if we cannot clean out the COW extents in preparation for an extent swap. Fixes: 96987eea537d6c ("xfs: cancel COW blocks before swapext") Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* fs/xfs: Combine xfs_diflags_to_linux() and xfs_diflags_to_iflags()Ira Weiny2020-05-043-51/+29
| | | | | | | | | | | | | | | | | | | | The functionality in xfs_diflags_to_linux() and xfs_diflags_to_iflags() are nearly identical. The only difference is that *_to_linux() is called after inode setup and disallows changing the DAX flag. Combining them can be done with a flag which indicates if this is the initial setup to allow the DAX flag to be properly set only at init time. So remove xfs_diflags_to_linux() and call the modified xfs_diflags_to_iflags() directly. While we are here simplify xfs_diflags_to_iflags() to take struct xfs_inode and use xfs_ip2xflags() to ensure future diflags are included correctly. Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* fs/xfs: Create function xfs_inode_should_enable_dax()Ira Weiny2020-05-041-6/+22
| | | | | | | | | | | | | | | | xfs_inode_supports_dax() should reflect if the inode can support DAX not that it is enabled for DAX. Change the use of xfs_inode_supports_dax() to reflect only if the inode and underlying storage support dax. Add a new function xfs_inode_should_enable_dax() which reflects if the inode should be enabled for DAX. Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* fs/xfs: Make DAX mount option a tri-stateIra Weiny2020-05-042-4/+43
| | | | | | | | | | | | As agreed upon[1]. We make the dax mount option a tri-state. '-o dax' continues to operate the same. We add 'always', 'never', and 'inode' (default). [1] https://lore.kernel.org/lkml/20200405061945.GA94792@iweiny-DESK2.sc.intel.com/ Signed-off-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYSIra Weiny2020-05-043-7/+6
| | | | | | | | | | In prep for the new tri-state mount option which then introduces XFS_MOUNT_DAX_NEVER. Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* fs/xfs: Remove unnecessary initialization of i_rwsemIra Weiny2020-05-041-3/+1
| | | | | | | | | | | | | An earlier call of xfs_reinit_inode() from xfs_iget_cache_hit() already handles initialization of i_rwsem. Doing so again is unneeded. Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: spell out the parameter name for ->cancel_itemChristoph Hellwig2020-05-041-1/+1
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: use a xfs_btree_cur for the ->finish_cleanup stateChristoph Hellwig2020-05-046-46/+19
| | | | | | | | | | Given how XFS is all based around btrees it doesn't make much sense to offer a totally generic state when we can just use the btree cursor. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: turn dfp_done into a xfs_log_itemChristoph Hellwig2020-05-046-24/+24
| | | | | | | | | | | | | | | All defer op instance place their own extension of the log item into the dfp_done field. Replace that with a xfs_log_item to improve type safety and make the code easier to follow. Also use the opportunity to improve the ->finish_item calling conventions to place the done log item as the higher level structure before the list_entry used for the individual items. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: refactor xfs_defer_finish_norollChristoph Hellwig2020-05-041-69/+59
| | | | | | | | | | Split out a helper that operates on a single xfs_defer_pending structure to untangle the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: turn dfp_intent into a xfs_log_itemChristoph Hellwig2020-05-045-29/+30
| | | | | | | | | | | All defer op instance place their own extension of the log item into the dfp_intent field. Replace that with a xfs_log_item to improve type safety and make the code easier to follow. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: merge the ->diff_items defer op into ->create_intentChristoph Hellwig2020-05-046-16/+20
| | | | | | | | | | This avoids a per-item indirect call, and also simplifies the interface a bit. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: merge the ->log_item defer op into ->create_intentChristoph Hellwig2020-05-046-119/+83
| | | | | | | | | | | These are aways called together, and my merging them we reduce the amount of indirect calls, improve type safety and in general clean up the code a bit. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: factor out a xfs_defer_create_intent helperChristoph Hellwig2020-05-041-16/+23
| | | | | | | | | | | | Create a helper that encapsulates the whole logic to create a defer intent. This reorders some of the work that was done, but none of that has an affect on the operation as only fields that don't directly interact are affected. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: remove the xfs_inode_log_item_t typedefChristoph Hellwig2020-05-045-7/+7
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: remove the xfs_efd_log_item_t typedefChristoph Hellwig2020-05-041-2/+2
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: remove the xfs_efi_log_item_t typedefChristoph Hellwig2020-05-043-8/+8
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: refactor xlog_recover_buffer_pass1Christoph Hellwig2020-05-041-59/+55
| | | | | | | | | | Split out a xlog_add_buffer_cancelled helper which does the low-level manipulation of the buffer cancelation table, and in that helper call xlog_find_buffer_cancelled instead of open coding it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
* xfs: simplify xlog_recover_inode_ra_pass2Christoph Hellwig2020-05-041-13/+8
| | | | | | | | | | Don't bother to allocate memory and convert the log item when we only need the block number and the length. Just extract them directly and call xlog_buf_readahead separately in each branch. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 16:37:55 +0100