I just tried this on 7.1-rc3 with the swap patches (full kernel build, on Ubuntu 25,10) and boot failed with out of memory which I had never seen before. Any idea how to workaround this with the swap patch series, or is there a fix for this in the swap series already?
On Tue, May 12, 2026 at 12:41 AM Christoph Hellwig <[email protected]> wrote: > > Hi all, > > Darrick recently posted iomap support for fuse-iomap, which was trivial > but a bit ugly, which triggered me into looking how this could be done > in a cleaner way. The result of that is this fairly big series that > reworks how the MM code calls into the file system to activate swap > files to make it much cleaner and easier to use. > > I've tested this with swap devices manually, and using the swap tests > in xfstests on btrfs, ext3, ext4, f2fs and xfs to exercise the different > implementation. Out of those all passed, but f2fs actually notruns all > tests even in the baseline as it requires special preparation for > swapfiles which never got wired up in xfstests. > > Diffstat: > Documentation/filesystems/iomap/operations.rst | 3 > Documentation/filesystems/locking.rst | 35 +-- > Documentation/filesystems/vfs.rst | 40 ++-- > block/fops.c | 15 + > fs/btrfs/btrfs_inode.h | 3 > fs/btrfs/file.c | 4 > fs/btrfs/inode.c | 72 ------- > fs/ext4/file.c | 6 > fs/ext4/inode.c | 11 - > fs/f2fs/data.c | 50 ----- > fs/f2fs/f2fs.h | 2 > fs/f2fs/file.c | 4 > fs/iomap/swapfile.c | 165 +++--------------- > fs/nfs/direct.c | 1 > fs/nfs/file.c | 21 -- > fs/nfs/nfs4file.c | 3 > fs/ntfs/aops.c | 8 > fs/ntfs/file.c | 6 > fs/smb/client/cifsfs.c | 18 + > fs/smb/client/cifsfs.h | 3 > fs/smb/client/file.c | 16 - > fs/xfs/xfs_aops.c | 48 ----- > fs/xfs/xfs_file.c | 39 ++++ > fs/zonefs/file.c | 30 +-- > include/linux/fs.h | 11 - > include/linux/iomap.h | 5 > include/linux/nfs_fs.h | 3 > include/linux/swap.h | 129 +------------- > mm/page_io.c | 45 ---- > mm/swap.h | 92 ++++++++++ > mm/swapfile.c | 227 > ++++++++++++++----------- > 31 files changed, 471 insertions(+), 644 deletions(-) > -- Thanks, Steve _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
