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s/much/many/
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Cross-merge networking fixes after downstream PR (net-6.15-rc8).
Conflicts:
80f2ab46c2ee ("irdma: free iwdev->rf after removing MSI-X")
4bcc063939a5 ("ice, irdma: fix an off by one in error handling code")
c24a65b6a27c ("iidc/ice/irdma: Update IDC to support multiple consumers")
https://lore.kernel.org/20250513130630.280ee6c5@canb.auug.org.au
No extra adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We are no longer calling gfs2_find_jhead() on the same log twice, so
there is no more reason for keeping the log contents cached across those
calls. In addition, log head lookup and log header writing didn't go
through the same address space and so the caching wasn't even fully
working, anyway.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Currently at mount time, the recovery code looks up the current log head
and, if necessary, replays the log and writes a recovery header to
indicate that the log is clean. It does that for each log that may need
recovery. We also know that our own log will always be checked as part
of that process. Then, the mount code looks up the log head of our own
log again.
The double log head lookup can be costly, but more importantly, it is
unnecessary because we can trivially compute the position of the log
head after recovery; all we need to do for that is bump the position and
lh_sequence by one when writing a recovery header.
With that in mind, move the call to gfs2_log_pointers_init() into
gfs2_recover_func() and get rid of the double lookup in
gfs2_make_fs_rw().
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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In function clean_journal(), update @head to point at the log header
that indicates successful recovery: this is where logging needs to
resume.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Move the initialization of sdp->sd_log_sequence and
sdp->sd_log_flush_head inside gfs2_log_pointers_init(). Use
gfs2_replay_incr_blk().
Before this change, the log head lookup code in freeze_go_xmote_bh()
didn't update sdp->sd_log_flush_head. This is now fixed, but the code
in freeze_go_xmote_bh() appears to be pretty useless in the first place:
on a frozen filesystem, the log head will not change.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Move gfs2_log_pointers_init to recovery.c: there is no need for inlining
this function.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Commit 40829760096df ("gfs2: Convert gfs2_find_jhead() to use a folio")
replaced grab_cache_page() by filemap_grab_folio(), but the comments
were still referring to grab_cache_page().
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Commit 8d391972ae2d ("gfs2: Remove __gfs2_writepage()") changed the log
flush code in gfs2_ail1_start_one() to call aops->writepages() instead
of aops->writepage(). For jdata inodes, this means that we will now try
to reserve log space and start a transaction before we can determine
that the pages in question have already been journaled. When this
happens in the context of gfs2_logd(), it can now appear that not enough
log space is available for freeing up log space, and we will lock up.
Fix that by issuing journal writes directly instead of going through
aops->writepages() in the log flush code.
Fixes: 8d391972ae2d ("gfs2: Remove __gfs2_writepage()")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Move gfs2_trans_add_databufs() to trans.c. Pass in a glock instead of
a gfs2_inode.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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__get_log_header() was using crc32_le_shift() to update a CRC with four
zero bytes. However, this is about 5x slower than just CRC'ing four
zero bytes in the normal way. Just do that instead.
(We could instead make crc32_le_shift() faster on short lengths. But
all its callers do just fine without it, so I'd like to just remove it.)
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Since commit eb65540aa9fc ("iomap: warn on zero range of a post-eof
folio"), iomap_zero_range() warns when asked to zero a folio beyond eof.
The warning triggers on the following code path:
gfs2_fallocate(FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE)
__gfs2_punch_hole()
gfs2_block_zero_range()
iomap_zero_range()
In __gfs2_punch_hole(), gfs2 zeroes out partial folios at the beginning
and at the end of the specified range, whether those folios are beyond
eof or not. This may add folios to the page cache which are entirely
beyond eof, which isn't of any use. Avoid that by truncating the range
to zero out at eof.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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__gfs2_jdata_write_folio can't return AOP_WRITEPAGE_ACTIVATE, so don't
check for it in gfs2_write_jdata_batch.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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When attempting to use an archive file, such as APEX on android,
as a file-backed mount source, it fails because EROFS image within
the archive file does not start at offset 0. As a result, a loop
or a dm device is still needed to attach the image file at an
appropriate offset first. Similarly, if an EROFS image within a
block device does not start at offset 0, it cannot be mounted
directly either.
To address this issue, this patch adds a new mount option `fsoffset=x'
to accept a start offset for the primary device. The offset should be
aligned to the block size. EROFS will add this offset before performing
read requests.
Signed-off-by: Sheng Yong <shengyong1@xiaomi.com>
Signed-off-by: Wang Shuai <wangshuai12@xiaomi.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250517090544.2687651-1-shengyong1@xiaomi.com
[ Gao Xiang: minor update on documentation and the error message. ]
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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The list_first_entry() macro never returns NULL. If the list is
empty then it returns an invalid pointer. Use list_first_entry_or_null()
to check if the list is empty.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202505080231.7OXwq4Te-lkp@intel.com/
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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I found that rename fails after cifs mount due to update of
lookup_one_qstr_excl().
mv a/c b/
mv: cannot move 'a/c' to 'b/c': No such file or directory
In order to rename to a new name regardless of whether the dentry is
negative, we need to get the dentry through lookup_one_qstr_excl().
So It will not return error if the name doesn't exist.
Fixes: 204a575e91f3 ("VFS: add common error checks to lookup_one_qstr_excl()")
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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- Convert to a 'fs_str' tracepoint that just emits as a string: this
lets us build up the tracepoint with a printbuf, using our pretty
printers, and they're much easier to manage
- Include locks_held, before and after
- Include the btree node pointer we failed on (error pointer, null, or
real node)
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Add a flag for tracking whether a directory has case-insensitive
descendents - so that overlayfs can disallow mounting, even though the
filesystem supports case insensitivity.
This is a new on disk format version, with a (cheap) upgrade to ensure
the flag is correctly set on existing inodes.
Create, rename and fssetxattr are all plumbed to ensure the new flag is
set, and we've got new fsck code that hooks into check_inode(0.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Move a fsck.c helper into inode.c, eliminate some duplicate and organize
the inode lookup helpers.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Add a better helper for printing out paths of inodes when we don't know
the subvolume, for fsck.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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bi_casefold only makes sense for directories, and since it's one of the
variable length fields setting it unnecessarily wastes space.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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There is one in for_each_btree_key_max().
Signed-off-by: Alan Huang <mmpgouride@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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There's no reason to be running this inside our transaction; it forces
us to copy the key we're updating to a temporary, which we'd like to
skip.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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It used to be that we had a fixed maximum number of btree paths to work
with - 64.
That's no longer the case, so bch2_extent_atomic_end() doesn't have to
be as strict.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Accounting has gotten quite heavy, and there's lots of redundancy in
accounting updates within a transaction, as we often add/delete multiple
extents that touch the same accountign counters.
This will reduce the amount of data that we journal, and reduce pressure
downstream on the btree write buffer.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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There can be a lot of rendundancy in accounting updates within a single
btree transaction.
Split out accounting updates so that they can be deduped, in the next
commit.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This fixes the subvol loop checking and directory loop checking to print
the loop.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Detect buckets with missing backpointers, and run repair on demand.
__bch2_move_data_phys() now calls
bch2_check_bucket_backpointer_mismatch() as it walks buckets, which
checks for missing backpointers by comparing backpointers against bucket
sector counts.
When missing backpointers are detected, we kick off
bch2_check_extents_to_backpointers() asynchronously - right away if
we're trying to evacuate, or with a threshold if we're just running
copygc.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Add some more helpers, and mismatches is now a superset of the empty
bitmap - simplifies most checks.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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When we request a recovery pass to be run online, i.e. not during
recovery, if it's an online pass it'll now be run in the background,
instead of waiting for the next mount.
To avoid situations where recovery passes are running continuously, this
also includes ratelimiting: if the RUN_RECOVERY_PASS_ratelimit flag is
passed, the pass may be deferred until later - depending on the runtime
and last run stats in the recovery_passes superblock section.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Consolidate the run_explicit_recovery_pass() interfaces by adding a
flags parameter; this will also let us add a RUN_RECOVERY_PASS_ratelimit
flag.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Show recovery pass status in sysfs - important now that we're running
them automatically in the background.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We want recovery.curr_pass to be private to the recovery passes code,
for better showing recovery pass status; also, it may rewind and is
generally not the correct member to use.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Consolidate bch2_run_recovery_passes() and
bch2_run_online_recovery_passes(), prep work for automatically
scheduling and running recovery passes in the background.
- Now takes a mask of which passes to run, automatic background repair
will pass in sb.recovery_passes_required.
- Skips passes that are failing: a pass that failed may be reattempted
after another pass succeeds (some passes depend on repair done by
other passes for successful completion).
- bch2_recovery_passes_match() helper to skip alloc passes on a
filesystem without alloc info.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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bch_fs has gotten obnoxiously big, let's start organizing thins a bit
better.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Avoid doing more updates if we already have one.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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