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path: root/fs/xfs/xfs_log_recover.c
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2020-09-15xfs: remove xfs_getsbChristoph Hellwig
Merge xfs_getsb into its only caller, and clean that one up a little bit as well. 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>
2020-09-15xfs: remove xlog_recover_iodoneChristoph Hellwig
The log recovery I/O completion handler does not substancially differ from the normal one except for the fact that it: a) never retries failed writes b) can have log items that aren't on the AIL c) never has inode/dquot log items attached and thus don't need to handle them Add conditionals for (a) and (b) to the ioend code, while (c) doesn't need special handling anyway. 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>
2020-09-15xfs: fold xfs_buf_ioend_finish into xfs_ioendChristoph Hellwig
No need to keep a separate helper for this logic. 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>
2020-09-15xfs: refactor xfs_buf_ioendChristoph Hellwig
Move the log recovery I/O completion handling entirely into the log recovery code, and re-arrange the normal I/O completion handler flow to prepare to lifting more logic into common code in the next commits. 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>
2020-09-06xfs: remove kmem_realloc()Carlos Maiolino
Remove kmem_realloc() function and convert its users to use MM API directly (krealloc()) Signed-off-by: Carlos Maiolino <cmaiolino@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>
2020-08-05xfs: delete duplicated words + other fixesRandy Dunlap
Delete repeated words in fs/xfs/. {we, that, the, a, to, fork} Change "it it" to "it is" in one location. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> To: linux-fsdevel@vger.kernel.org Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: linux-xfs@vger.kernel.org Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-07-06xfs: mark log recovery buffers for completionDave Chinner
Log recovery has it's own buffer write completion handler for buffers that it directly recovers. Convert these to direct calls by flagging these buffers as being log recovery buffers. The flag will get cleared by the log recovery IO completion routine, so it will never leak out of log recovery. Signed-off-by: Dave Chinner <dchinner@redhat.com> 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>
2020-05-08xfs: remove unnecessary includes from xfs_log_recover.cDarrick J. Wong
Remove unnecessary includes from the log recovery code. Suggested-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
2020-05-08xfs: move log recovery buffer cancellation code to xfs_buf_item_recover.cDarrick J. Wong
Move the helpers that handle incore buffer cancellation records to xfs_buf_item_recover.c since they're not directly related to the main log recovery machinery. 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>
2020-05-08xfs: hoist setting of XFS_LI_RECOVERED to callerDarrick J. Wong
The only purpose of XFS_LI_RECOVERED is to prevent log recovery from trying to replay recovered intents more than once. Therefore, we can move the bit setting up to the ->iop_recover caller. 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>
2020-05-08xfs: refactor intent item iop_recover callsDarrick J. Wong
Now that we've made the recovered item tests all the same, we can hoist the test and the ail locking code to the ->iop_recover caller and call the recovery function directly. 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>
2020-05-08xfs: refactor releasing finished intents during log recoveryDarrick J. Wong
Replace the open-coded AIL item walking with a proper helper when we're trying to release an intent item that has been finished. We add a new ->iop_match method to decide if an intent item matches a supplied ID. 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>
2020-05-08xfs: refactor xlog_item_is_intent now that we're done convertingDarrick J. Wong
Now that we've finished converting all types of log intent items to provide an ->iop_recover function, we can convert the "is this an intent item?" predicate to look for a non-null iop_recover pointer. Move the predicate closer to the functions that use it. 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>
2020-05-08xfs: refactor recovered BUI log item playbackDarrick J. Wong
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>
2020-05-08xfs: refactor recovered CUI log item playbackDarrick J. Wong
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>
2020-05-08xfs: refactor recovered RUI log item playbackDarrick J. Wong
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>
2020-05-08xfs: refactor recovered EFI log item playbackDarrick J. Wong
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>
2020-05-08xfs: remove log recovery quotaoff item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery BUI item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery CUI item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery RUI item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery EFI item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery icreate item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery dquot item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery inode item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery buffer item dispatch for pass2 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery item dispatch for pass1 commit functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery item dispatch for pass2 readhead functionsDarrick J. Wong
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>
2020-05-08xfs: refactor log recovery item sorting into a generic dispatch structureDarrick J. Wong
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>
2020-05-08xfs: convert xfs_log_recover_item_t to struct xfs_log_recover_itemDarrick J. Wong
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>
2020-05-07xfs: remove unused iget_flags param from xfs_imap_to_bp()Brian Foster
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>
2020-05-04xfs: remove the xfs_efi_log_item_t typedefChristoph Hellwig
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>
2020-05-04xfs: refactor xlog_recover_buffer_pass1Christoph Hellwig
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>
2020-05-04xfs: simplify xlog_recover_inode_ra_pass2Christoph Hellwig
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>
2020-05-04xfs: factor out a xlog_buf_readahead helperChristoph Hellwig
Add a little helper to readahead a buffer if it hasn't been cancelled. 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>
2020-05-04xfs: rename inode_list xlog_recover_reorder_transChristoph Hellwig
This list contains pretty much everything that is not a buffer. The comment calls it item_list, which is a much better name than inode list, so switch the actual variable name to that as well. 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>
2020-05-04xfs: refactor the buffer cancellation table helpersChristoph Hellwig
Replace the somewhat convoluted use of xlog_peek_buffer_cancelled and xlog_check_buffer_cancelled with two obvious helpers: xlog_is_buffer_cancelled, which returns true if there is a buffer in the cancellation table, and xlog_put_buffer_cancelled, which also decrements the reference count of the buffer cancellation table. Both share a little helper to look up the entry. 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>
2020-05-04xfs: report unrecognized log item type codes during recoveryDarrick J. Wong
When we're sorting recovered log items ahead of recovering them and encounter a log item of unknown type, actually print the type code when we're rejecting the whole transaction to aid in debugging. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2020-03-19xfs: remove the di_version field from struct icdinodeChristoph Hellwig
We know the version is 3 if on a v5 file system. For earlier file systems formats we always upgrade the remaining v1 inodes to v2 and thus only use v2 inodes. Use the xfs_sb_version_has_large_dinode helper to check if we deal with small or large dinodes, and thus remove the need for the di_version field in struct icdinode. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-03-19xfs: only check the superblock version for dinode size calculationChristoph Hellwig
The size of the dinode structure is only dependent on the file system version, so instead of checking the individual inode version just use the newly added xfs_sb_version_has_large_dinode helper, and simplify various calling conventions. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-03-19xfs: add a new xfs_sb_version_has_v3inode helperChristoph Hellwig
Add a new wrapper to check if a file system supports the v3 inode format with a larger dinode core. Previously we used xfs_sb_version_hascrc for that, which is technically correct but a little confusing to read. Also move xfs_dinode_good_version next to xfs_sb_version_has_v3inode so that we have one place that documents the superblock version to inode version relationship. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-03-11xfs: remove XFS_BUF_TO_SBPChristoph Hellwig
Just dereference bp->b_addr directly and make the code a little simpler and more clear. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-03-11xfs: remove XFS_BUF_TO_AGFChristoph Hellwig
Just dereference bp->b_addr directly and make the code a little simpler and more clear. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@redhat.com> 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>
2020-03-11xfs: remove XFS_BUF_TO_AGIChristoph Hellwig
Just dereference bp->b_addr directly and make the code a little simpler and more clear. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@redhat.com> 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>
2020-01-26xfs: fix xfs_buf_ioerror_alert location reportingDarrick J. Wong
Instead of passing __func__ to the error reporting function, let's use the return address builtins so that the messages actually tell you which higher level function called the buffer functions. This was previously true for the xfs_buf_read callers, but not for the xfs_trans_read_buf callers. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2020-01-26xfs: make xfs_buf_read return an error codeDarrick J. Wong
Convert xfs_buf_read() to return numeric error codes like most everywhere else in xfs. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2020-01-26xfs: make xfs_buf_read_map return an error codeDarrick J. Wong
Convert xfs_buf_read_map() to return numeric error codes like most everywhere else in xfs. This involves moving the open-coded logic that reports metadata IO read / corruption errors and stales the buffer into xfs_buf_read_map so that the logic is all in one place. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2020-01-16xfs: check log iovec size to make sure it's plausibly a buffer log formatDarrick J. Wong
When log recovery is processing buffer log items, we should check that the incoming iovec actually describes a region of memory large enough to contain the log format and the dirty map. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2019-11-15xfs: fix some memory leaks in log recoveryDarrick J. Wong
Fix a few places where we xlog_alloc_buffer a buffer, hit an error, and then bail out without freeing the buffer. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2019-11-13xfs: remove the xfs_disk_dquot_t and xfs_dquot_tPavel Reichl
Signed-off-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> [darrick: fix some of the comments] Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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