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2020-03-13xfs: convert btree cursor inode-private member namesDave Chinner1-2/+2
bc_private.b -> bc_ino conversion via script: $ sed -i 's/bc_private\.b/bc_ino/g' fs/xfs/*[ch] fs/xfs/*/*[ch] And then revert the change to the bc_ino #define in fs/xfs/libxfs/xfs_btree.h manually. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> [darrick: tweak the subject line slightly] Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2019-11-27ftrace: Rework event_create_dir()Peter Zijlstra1-3/+3
Rework event_create_dir() to use an array of static data instead of function pointers where possible. The problem is that it would call the function pointer on module load before parse_args(), possibly even before jump_labels were initialized. Luckily the generated functions don't use jump_labels but it still seems fragile. It also gets in the way of changing when we make the module map executable. The generated function are basically calling trace_define_field() with a bunch of static arguments. So instead of a function, capture these arguments in a static array, avoiding the function call. Now there are a number of cases where the fields are dynamic (syscall arguments, kprobes and uprobes), in which case a static array does not work, for these we preserve the function call. Luckily all these cases are not related to modules and so we can retain the function call for them. Also fix up all broken tracepoint definitions that now generate a compile error. Tested-by: Alexei Starovoitov <ast@kernel.org> Tested-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: Alexei Starovoitov <ast@kernel.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20191111132458.342979914@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-30xfs: add online scrub for superblock countersDarrick J. Wong1-1/+62
Teach online scrub how to check the filesystem summary counters. We use the incore delalloc block counter along with the incore AG headers to compute expected values for fdblocks, icount, and ifree, and then check that the percpu counter is within a certain threshold of the expected value. This is done to avoid having to freeze or otherwise lock the filesystem, which means that we're only checking that the counters are fairly close, not that they're exactly correct. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2019-02-11xfs: clean up the inode cluster checking in the inobt scrubDarrick J. Wong1-0/+45
The code to check inobt records against inode clusters is a mess of poorly named variables and unnecessary parameters. Clean the unnecessary inode number parameters out of _check_cluster_freemask in favor of computing them inside the function instead of making the caller do it. In xchk_iallocbt_check_cluster, rename the variables to make it more obvious just what chunk_ino and cluster_ino represent. Add a tracepoint to make it easier to track each inode cluster as we scrub it. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2018-12-19xfs: stringify scrub types in ftrace outputDarrick J. Wong1-26/+77
Use __print_symbolic to print the scrub type in ftrace output. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: stringify btree cursor types in ftrace outputDarrick J. Wong1-12/+26
Use __print_symbolic to print the btree type in ftrace output. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: fix function pointer type in ftrace formatDarrick J. Wong1-1/+1
Use %pS instead of %pF in ftrace strings so that we record the actual function address instead of the function descriptor. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-07-31xfs: refactor the xrep_extent_list into xfs_bitmapDarrick J. Wong1-1/+0
As mentioned previously, the xrep_extent_list basically implements a bitmap with two functions: set and disjoint union. Rename all these functions to xfs_bitmap to shorten the name and make it more obvious what we're doing. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2018-07-23xfs: shorten struct xfs_scrub_context to struct xfs_scrubDarrick J. Wong1-16/+16
Shorten the name of the online fsck context structure. Whitespace damage will be fixed by a subsequent patch. There are no functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2018-07-23xfs: shorten xfs_repair_ prefix to xrep_Darrick J. Wong1-20/+20
Shorten all the metadata repair xfs_repair_* symbols to xrep_. Whitespace damage will be fixed by a subsequent patch. There are no functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2018-07-23xfs: shorten xfs_scrub_ prefixDarrick J. Wong1-35/+35
Shorten all the metadata checking xfs_scrub_ prefixes to xchk_. After this, the only xfs_scrub* symbols are the ones that pertain to both scrub and repair. Whitespace damage will be fixed in a subsequent patch. There are no functional changes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2018-06-06xfs: convert to SPDX license tagsDave Chinner1-15/+1
Remove the verbose license text from XFS files and replace them with SPDX tags. This does not change the license of any of the code, merely refers to the common, up-to-date license files in LICENSES/ This change was mostly scripted. fs/xfs/Makefile and fs/xfs/libxfs/xfs_fs.h were modified by hand, the rest were detected and modified by the following command: for f in `git grep -l "GNU General" fs/xfs/` ; do echo $f cat $f | awk -f hdr.awk > $f.new mv -f $f.new $f done And the hdr.awk script that did the modification (including detecting the difference between GPL-2.0 and GPL-2.0+ licenses) is as follows: $ cat hdr.awk BEGIN { hdr = 1.0 tag = "GPL-2.0" str = "" } /^ \* This program is free software/ { hdr = 2.0; next } /any later version./ { tag = "GPL-2.0+" next } /^ \*\// { if (hdr > 0.0) { print "// SPDX-License-Identifier: " tag print str print $0 str="" hdr = 0.0 next } print $0 next } /^ \* / { if (hdr > 1.0) next if (hdr > 0.0) { if (str != "") str = str "\n" str = str $0 next } print $0 next } /^ \*/ { if (hdr > 0.0) next print $0 next } // { if (hdr > 0.0) { if (str != "") str = str "\n" str = str $0 next } print $0 } END { } $ Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2018-05-15xfs: create tracepoints for online repairDarrick J. Wong1-0/+258
These tracepoints will be used to debug the online repair routines. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2018-03-23xfs: remove xfs_buf parameter from inode scrub methodsDarrick J. Wong1-26/+5
Now that we no longer do raw inode buffer scrubbing, the bp parameter is no longer used anywhere we're dealing with an inode, so remove it and all the useless NULL parameters that go with it. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2018-01-29xfs: make tracepoint inode number format consistentDarrick J. Wong1-6/+6
Fix all the inode number formats to be consistently (0x%llx) in all trace point definitions. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2018-01-17xfs: set up scrub cross-referencing helpersDarrick J. Wong1-0/+22
Create some helper functions that we'll use later to deal with problems we might encounter while cross referencing metadata with other metadata. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2018-01-12xfs: use %pS printk format for direct instruction addressesDarrick J. Wong1-10/+10
Use the %pS instead of the %pF printk format specifier for printing symbols from direct addresses. This is needed for the ia64, ppc64 and parisc64 architectures. While we're at it, be consistent with the capitalization of the 'S'. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2017-10-26xfs: scrub btree keys and recordsDarrick J. Wong1-0/+45
Add to the btree scrubber the ability to check that the keys and records are in the right order and actually call out to our record iterator to do actual checking of the records. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2017-10-26xfs: create helpers to scrub a metadata btreeDarrick J. Wong1-0/+163
Create helper functions and tracepoints to deal with errors while scrubbing a metadata btree. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2017-10-26xfs: create helpers to record and deal with scrub problemsDarrick J. Wong1-0/+215
Create helper functions to record crc and corruption problems, and deal with any other runtime errors that arise. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2017-10-26xfs: dispatch metadata scrub subcommandsDarrick J. Wong1-0/+43
Create structures needed to hold scrubbing context and dispatch incoming commands to the individual scrubbers. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2017-10-26xfs: create an ioctl to scrub AG metadataDarrick J. Wong1-0/+33
Create an ioctl that can be used to scrub internal filesystem metadata. The new ioctl takes the metadata type, an (optional) AG number, an (optional) inode number and generation, and a flags argument. This will be used by the upcoming XFS online scrub tool. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>