Merge tag 'vfs-7.0-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull vfs fixes from Christian Brauner:

 - Fix netfs_limit_iter() hitting BUG() when an ITER_KVEC iterator
   reaches it via core dump writes to 9P filesystems. Add ITER_KVEC
   handling following the same pattern as the existing ITER_BVEC code.

 - Fix a NULL pointer dereference in the netfs unbuffered write retry
   path when the filesystem (e.g., 9P) doesn't set the prepare_write
   operation.

 - Clear I_DIRTY_TIME in sync_lazytime for filesystems implementing
  ->sync_lazytime. Without this the flag stays set and may cause
   additional unnecessary calls during inode deactivation.

 - Increase tmpfs size in mount_setattr selftests. A recent commit
   bumped the ext4 image size to 2 GB but didn't adjust the tmpfs
   backing store, so mkfs.ext4 fails with ENOSPC writing metadata.

 - Fix an invalid folio access in iomap when i_blkbits matches the folio
   size but differs from the I/O granularity. The cur_folio pointer
   would not get invalidated and iomap_read_end() would still be called
   on it despite the IO helper owning it.

 - Fix hash_name() docstring.

 - Fix read abandonment during netfs retry where the subreq variable
   used for abandonment could be uninitialized on the first pass or
   point to a deleted subrequest on later passes.

 - Don't block sync for filesystems with no data integrity guarantees.
   Add a SB_I_NO_DATA_INTEGRITY superblock flag replacing the per-inode
   AS_NO_DATA_INTEGRITY mapping flag so sync kicks off writeback but
   doesn't wait for flusher threads. This fixes a suspend-to-RAM hang on
   fuse-overlayfs where the flusher thread blocks when the fuse daemon
   is frozen.

 - Fix a lockdep splat in iomap when reads fail. iomap_read_end_io()
   invokes fserror_report() which calls igrab() taking i_lock in hardirq
   context while i_lock is normally held with interrupts enabled. Kick
   failed read handling to a workqueue.

 - Remove the redundant netfs_io_stream::front member and use
   stream->subrequests.next instead, fixing a potential issue in the
   direct write code path.

* tag 'vfs-7.0-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  netfs: Fix the handling of stream->front by removing it
  iomap: fix lockdep complaint when reads fail
  writeback: don't block sync for filesystems with no data integrity guarantees
  netfs: Fix read abandonment during retry
  vfs: fix docstring of hash_name()
  iomap: fix invalid folio access when i_blkbits differs from I/O granularity
  selftests/mount_setattr: increase tmpfs size for idmapped mount tests
  fs: clear I_DIRTY_TIME in sync_lazytime
  netfs: Fix NULL pointer dereference in netfs_unbuffered_write() on retry
  netfs: Fix kernel BUG in netfs_limit_iter() for ITER_KVEC iterators

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