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d1384f70b2
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