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a62fe21079
Pull exfat updates from Namjae Jeon: - Implement FALLOC_FL_ALLOCATE_RANGE to add support for preallocating clusters without zeroing, helping to reduce file fragmentation - Add a unified block readahead helper for FAT chain conversion, bitmap allocation, and directory entry lookups - Optimize exfat_chain_cont_cluster() by caching buffer heads to minimize mark_buffer_dirty() and mirroring overhead during NO_FAT_CHAIN to FAT_CHAIN conversion - Switch to truncate_inode_pages_final() in evict_inode() to prevent BUG_ON caused by shadow entries during reclaim - Fix a 32-bit truncation bug in directory entry calculations by ensuring proper bitwise coercion - Fix sb->s_maxbytes calculation to correctly reflect the maximum possible volume size for a given cluster size, resolving xfstests generic/213 - Introduced exfat_cluster_walk() helper to traverse FAT chains by a specified step, handling both ALLOC_NO_FAT_CHAIN and ALLOC_FAT_CHAIN modes - Introduced exfat_chain_advance() helper to advance an exfat_chain structure, updating both the current cluster and remaining size - Remove dead assignments and fix Smatch warnings * tag 'exfat-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat: exfat: use exfat_chain_advance helper exfat: introduce exfat_chain_advance helper exfat: remove NULL cache pointer case in exfat_ent_get exfat: use exfat_cluster_walk helper exfat: introduce exfat_cluster_walk helper exfat: fix incorrect directory checksum after rename to shorter name exfat: fix s_maxbytes exfat: fix passing zero to ERR_PTR() in exfat_mkdir() exfat: fix error handling for FAT table operations exfat: optimize exfat_chain_cont_cluster with cached buffer heads exfat: drop redundant sec parameter from exfat_mirror_bh exfat: use readahead helper in exfat_get_dentry exfat: use readahead helper in exfat_allocate_bitmap exfat: add block readahead in exfat_chain_cont_cluster exfat: add fallocate FALLOC_FL_ALLOCATE_RANGE support exfat: Fix bitwise operation having different size exfat: Drop dead assignment of num_clusters exfat: use truncate_inode_pages_final() at evict_inode()