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2024-09-10btrfs: convert find_next_dirty_byte() to take a folioJosef Bacik1-9/+9
We already use a folio some in this function, replace all page usage with the folio and update the function to take the folio as an argument. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert __get_extent_map() to take a folioJosef Bacik1-5/+6
Now that btrfs_get_extent takes a folio, update __get_extent_map to take a folio as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_get_extent() to take a folioJosef Bacik3-5/+5
We only pass this into read_inline_extent, change it to take a folio and update the callers. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert read_inline_extent() to use a folioJosef Bacik1-7/+7
Instead of using a page, use a folio instead, take a folio as an argument, and update the callers appropriately. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert uncompress_inline() to take a folioJosef Bacik1-4/+5
Update uncompress_inline to take a folio and update it's usage accordingly. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert struct btrfs_writepage_fixup to use a folioJosef Bacik1-4/+3
Now the fixup creator and consumer use folios, change this to use a folio as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_writepage_cow_fixup() to use folioJosef Bacik3-17/+18
Instead of a page, use a folio for btrfs_writepage_cow_fixup. We already have a folio at the only caller, and the fixup worker uses folios. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_writepage_fixup_worker() to use a folioJosef Bacik1-26/+28
This function heavily messes with pages, instead update it to use a folio. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert submit_uncompressed_range() to take a folioJosef Bacik1-14/+12
This mostly uses folios already, update it to take a folio and update the rest of the function to use the folio instead of the page. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert struct async_chunk to hold a folioJosef Bacik1-12/+14
Instead of passing in the page for ->locked_page, make it hold a locked_folio and then update the users of async_chunk to act accordingly. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_run_delalloc_range() to take a folioJosef Bacik3-16/+14
Now that every function that btrfs_run_delalloc_range calls takes a folio, update it to take a folio and update the callers. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert run_delalloc_compressed() to take a folioJosef Bacik1-9/+11
This just passes the page into the compressed machinery to keep track of the locked page. Update this to take a folio and convert it to a page where appropriate. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_cleanup_ordered_extents() to take a folioJosef Bacik1-12/+14
Now that btrfs_cleanup_ordered_extents is operating mostly with folios, update it to use a folio instead of a page, and the update the function and the callers as appropriate. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_cleanup_ordered_extents() to use foliosJosef Bacik1-6/+6
We walk through pages in this function and clear ordered, and the function for this uses folios. Update the function to use a folio for this whole operation. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert run_delalloc_nocow() to take a folioJosef Bacik1-9/+8
Now all of the functions that use locked_page in run_delalloc_nocow take a folio, update it to take a folio and update the caller. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert fallback_to_cow() to take a folioJosef Bacik1-6/+8
With this we can pass the folio directly into cow_file_range(). Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert cow_file_range() to take a folioJosef Bacik1-24/+21
Convert this to take a folio and pass it into all of the various cleanup functions. Update the callers to pass in a folio instead. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert cow_file_range_inline() to take a folioJosef Bacik1-6/+6
Now that we want the folio in this function, convert it to take a folio directly and use that. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert run_delalloc_cow() to take a folioJosef Bacik1-10/+10
We pass the folio into extent_write_locked_range, go ahead and take a folio to pass along, and update the callers to pass in a folio. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert extent_write_locked_range() to take a folioJosef Bacik3-4/+5
This mostly uses folios, convert it to take a folio instead and update the callers to pass in the folio. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert extent_clear_unlock_delalloc() to take a folioJosef Bacik3-15/+18
Instead of taking the locked page, take the locked folio so we can pass that into __process_folios_contig. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert process_one_page() to operate only on foliosJosef Bacik1-8/+6
Now that this mostly uses folios, update it to take folios, use the folios that are passed in, and rename from process_one_page => process_one_folio. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert __process_pages_contig() to take a folioJosef Bacik1-9/+10
This operates mostly on folios, update it to take a folio for the locked folio instead of the page, rename from __process_pages_contig => __process_folios_contig. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert __unlock_for_delalloc() to take a folioJosef Bacik1-9/+9
All of the callers have a folio at this point, update __unlock_for_delalloc to take a folio so that it's consistent with its callers. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert lock_delalloc_pages() to take a folioJosef Bacik1-12/+11
Also rename lock_delalloc_pages => lock_delalloc_folios in the process, now that it exclusively works on folios. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert find_lock_delalloc_range() to use a folioJosef Bacik3-20/+20
Instead of passing in a page for locked_page, pass in the folio instead. We only use the folio itself to validate some range assumptions, and then pass it into other functions. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert writepage_delalloc() to take a folioJosef Bacik1-18/+20
We already use a folio heavily in this function, pass the folio in directly and use it everywhere, only passing the page down to functions that do not take a folio yet. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_mark_ordered_io_finished() to take a folioJosef Bacik4-14/+14
We only need a folio now, make it take a folio as an argument and update all of the callers. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_finish_ordered_extent() to take a folioJosef Bacik3-6/+6
The callers and callee's of this now all use folios, update it to take a folio as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert can_finish_ordered_extent() to use a folioJosef Bacik1-10/+11
Pass in a folio instead, and use a folio instead of a page. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: utilize folio more in btrfs_page_mkwrite()Josef Bacik1-12/+12
We already have a folio that we're using in btrfs_page_mkwrite, update the rest of the function to use folio everywhere else. This will make it easier on Willy when he drops page->index. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert add_ra_bio_pages() to use only foliosJosef Bacik1-29/+33
Willy is going to get rid of page->index, and add_ra_bio_pages uses page->index. Make his life easier by converting add_ra_bio_pages to use folios so that we are no longer using page->index. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert __extent_writepage() to be completely folio basedJosef Bacik1-18/+17
Now that we've gotten most of the helpers updated to only take a folio, update __extent_writepage to only deal in folios. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert extent_write_locked_range() to use foliosJosef Bacik1-13/+23
Instead of using pages for everything, find a folio and use that. This makes things a bit cleaner as a lot of the functions calls here all take folios. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert __extent_writepage_io() to take a folioJosef Bacik1-28/+27
__extent_writepage_io uses page everywhere, but a lot of these functions take a folio. Convert it to use the folio based helpers, and then change it to take a folio as an argument and update its callers. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: update the writepage tracepoint to take a folioJosef Bacik2-6/+6
Willy is wanting to get rid of page->index, convert the writepage tracepoint to take a folio so we can do folio->index instead of page->index. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_do_readpage() to only use a folioJosef Bacik1-29/+29
Now that the callers and helpers mostly use folio, convert btrfs_do_readpage to take a folio, and rename it to btrfs_do_read_folio. Update all of the page stuff to use the folio based helpers instead. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert submit_extent_page() to use a folioJosef Bacik1-20/+22
The callers of this helper are going to be converted to using a folio, so adjust submit_extent_page to become submit_extent_folio and update it to use all the relevant folio helpers. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert begin_page_folio() to take a folio insteadJosef Bacik1-5/+3
This already uses a folio internally, change it to take a folio as an argument instead. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert end_page_read() to take a folioJosef Bacik1-19/+20
We have this helper function to set the page range uptodate once we're done reading it, as well as run fsverity against it. Half of these functions already take a folio, just rename this to end_folio_read and then rework it to take a folio instead, and update everything accordingly. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_read_folio() to only use a folioJosef Bacik1-5/+4
Currently we're using the page for everything here. Convert this to use the folio helpers instead. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: convert btrfs_readahead() to only use folioJosef Bacik1-28/+8
We're the only user of readahead_page_batch(). Convert btrfs_readahead() to use the folio based helpers to do readahead. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: print message on device opening error during mountLi Zhang1-0/+2
[ENHANCEMENT] When mounting a btrfs filesystem, the filesystem opens the block device, and if this fails, there is no message about it. Print a message about it to help debugging. [TEST] I have a btrfs filesystem on three block devices, one of which is write-protected, so regular mounts fail, but there is no message in dmesg. /dev/vdb normal /dev/vdc write protected /dev/vdd normal Before patch: $ sudo mount /dev/vdb /mnt/ mount: mount(2) failed: no such file or directory $ sudo dmesg # Show only messages about missing block devices .... [ 352.947196] BTRFS error (device vdb): devid 2 uuid 4ee2c625-a3b2-4fe0-b411-756b23e08533 missing .... After patch: $ sudo mount /dev/vdb /mnt/ mount: mount(2) failed: no such file or directory $ sudo dmesg # Show bdev_file_open_by_path failed. .... [ 352.944328] BTRFS error: failed to open device for path /dev/vdc with flags 0x3: -13 [ 352.947196] BTRFS error (device vdb): missing devid 2 uuid 4ee2c625-a3b2-4fe0-b411-756b23e08533 .... Signed-off-by: Li Zhang <zhanglikernel@gmail.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: move uuid tree related code to uuid-tree.[ch]Qu Wenruo4-179/+181
Functions btrfs_uuid_scan_kthread() and btrfs_create_uuid_tree() are for UUID tree rescan and creation, it's not suitable for volumes.[ch]. Move them to uuid-tree.[ch] instead. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: reduce size and overhead of extent_map_block_end()Filipe Manana1-3/+6
At extent_map_block_end() we are calling the inline functions extent_map_block_start() and extent_map_block_len() multiple times, which results in expanding their code multiple times, increasing the compiled code size and repeating the computations those functions do. Improve this by caching their results in local variables. The size of the module before this change: $ size fs/btrfs/btrfs.ko text data bss dec hex filename 1755770 163800 16920 1936490 1d8c6a fs/btrfs/btrfs.ko And after this change: $ size fs/btrfs/btrfs.ko text data bss dec hex filename 1755656 163800 16920 1936376 1d8bf8 fs/btrfs/btrfs.ko Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: update stripe_extent delete loop assumptionsJohannes Thumshirn1-0/+5
btrfs_delete_raid_extent() was written under the assumption, that it's call-chain always passes a start, length tuple that matches a single extent. But btrfs_delete_raid_extent() is called by do_free_extent_accounting() which in turn is called by __btrfs_free_extent(). But this call-chain passes in a start address and a length that can possibly match multiple on-disk extents. To make this possible, we have to adjust the start and length of each btree node lookup, to not delete beyond the requested range. Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-10btrfs: update stripe extents for existing logical addressesJohannes Thumshirn1-0/+33
Update a stripe extent in case of an already existing logical address, but with different physical addresses and/or device id instead of bailing out with EEXIST. This can happen i.e. in case of a device replace operation, where data extents get rewritten to a new disk. Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: David Sterba <dsterba@suse.com>
2024-09-08Linux 6.11-rc7Linus Torvalds1-1/+1
2024-09-06KVM: x86: don't fall through case statements without annotationsLinus Torvalds1-0/+1
clang warns on this because it has an unannotated fall-through between cases: arch/x86/kvm/x86.c:4819:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough] and while we could annotate it as a fallthrough, the proper fix is to just add the break for this case, instead of falling through to the default case and the break there. gcc also has that warning, but it looks like gcc only warns for the cases where they fall through to "real code", rather than to just a break. Odd. Fixes: d30d9ee94cc0 ("KVM: x86: Only advertise KVM_CAP_READONLY_MEM when supported by VM") Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Tom Dohrmann <erbse.13@gmx.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-09-06libfs: fix get_stashed_dentry()Christian Brauner1-3/+3
get_stashed_dentry() tries to optimistically retrieve a stashed dentry from a provided location. It needs to ensure to hold rcu lock before it dereference the stashed location to prevent UAF issues. Use rcu_dereference() instead of READ_ONCE() it's effectively equivalent with some lockdep bells and whistles and it communicates clearly that this expects rcu protection. Link: https://lore.kernel.org/r/20240906-vfs-hotfix-5959800ffa68@brauner Fixes: 07fd7c329839 ("libfs: add path_from_stashed()") Reported-by: syzbot+f82b36bffae7ef78b6a7@syzkaller.appspotmail.com Fixes: syzbot+f82b36bffae7ef78b6a7@syzkaller.appspotmail.com Reported-by: syzbot+cbe4b96e1194b0e34db6@syzkaller.appspotmail.com Fixes: syzbot+cbe4b96e1194b0e34db6@syzkaller.appspotmail.com Signed-off-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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