filemap: Add a version of folio_end_writeback that ignores dropbehind

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Filesystems such as NFS may need to defer dropbehind until after their
2-stage writes are done. This adds a helper
folio_end_writeback_no_dropbehind() that allows them to release the
writeback flag without immediately dropping the folio.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>

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Trond Myklebust 2025-09-06 12:48:15 -04:00 • committed by Anna Schumaker

parent 24bbd533f5

commit 010054a530

2 changed files with 24 additions and 6 deletions

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1

include/linux/pagemap.h

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29

mm/filemap.c

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