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22779ae817
Currently swap to and from file systems goes through two indirect calls between the swap ops and the swap_rw method. Reduce this by directly providing the swap_ops from the file system. For this refactor swap_fs_submit into a swap_fs_prepare_rw helper that initializes the iov_iter on the callers stack so that file systems can call it directly, and use that to initialize file system specific ops in the NFS and SMB clients, which then get passed to swap_fs_activate. Link: https://lore.kernel.org/20260723054622.3460249-4-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Chris Li <chrisl@kernel.org> Cc: Baoquan He <baoquan.he@linux.dev> Cc: Kairui Song <kasong@tencent.com> Cc: Kairui Song <ryncsn@gmail.com> Cc: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Nhat Pham <nphamcs@gmail.com> Cc: Steve French <sfrench@samba.org> Cc: Usama Arif <usama.arif@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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