diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2025-09-06 12:48:14 -0400 |
|---|---|---|
| committer | Anna Schumaker <anna.schumaker@oracle.com> | 2025-09-23 13:29:50 -0400 |
| commit | 24bbd533f596a4544e17579e9f622918680e7bff (patch) | |
| tree | 2c45643318cdd164265ce653119fb7498b1be406 /mm/filemap.c | |
| parent | cc6ac66f1c0946299b8f192026cff9a320aaad18 (diff) | |
filemap: Add a helper for filesystems implementing dropbehind
Add a helper to allow filesystems to attempt to free the 'dropbehind'
folio.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Link: https://lore.kernel.org/all/5588a06f6d5a2cf6746828e2d36e7ada668b1739.1745381692.git.trond.myklebust@hammerspace.com/
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 751838ef05e5..66cec689bec4 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1608,7 +1608,7 @@ static void filemap_end_dropbehind(struct folio *folio) * completes. Do that now. If we fail, it's likely because of a big folio - * just reset dropbehind for that case and latter completions should invalidate. */ -static void filemap_end_dropbehind_write(struct folio *folio) +void folio_end_dropbehind(struct folio *folio) { if (!folio_test_dropbehind(folio)) return; @@ -1625,6 +1625,7 @@ static void filemap_end_dropbehind_write(struct folio *folio) folio_unlock(folio); } } +EXPORT_SYMBOL_GPL(folio_end_dropbehind); /** * folio_end_writeback - End writeback against a folio. @@ -1660,7 +1661,7 @@ void folio_end_writeback(struct folio *folio) if (__folio_end_writeback(folio)) folio_wake_bit(folio, PG_writeback); - filemap_end_dropbehind_write(folio); + folio_end_dropbehind(folio); acct_reclaim_writeback(folio); folio_put(folio); } |