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authorVishal Moola (Oracle) <vishal.moola@gmail.com>2023-06-07 23:41:19 +0300
committerDavid Howells <dhowells@redhat.com>2023-06-19 16:30:48 +0300
commita2b6f2ab3e144f8e23666aafeba0e4d9ea4b7975 (patch)
tree1de2687efca786689641db1738242ec54249515a
parent45a3e24f65e90a047bef86f927ebdc4c710edaa1 (diff)
downloadlinux-a2b6f2ab3e144f8e23666aafeba0e4d9ea4b7975.tar.xz
afs: Fix dangling folio ref counts in writeback
Commit acc8d8588cb7 converted afs_writepages_region() to write back a folio batch. If writeback needs rescheduling, the function exits without dropping the references to the folios in fbatch. This patch fixes that. [DH: Moved the added line before the _leave()] Fixes: acc8d8588cb7 ("afs: convert afs_writepages_region() to use filemap_get_folios_tag()") Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Link: https://lore.kernel.org/r/20230607204120.89416-1-vishal.moola@gmail.com/
-rw-r--r--fs/afs/write.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c
index c822d6006033..fd433024070e 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -763,6 +763,7 @@ static int afs_writepages_region(struct address_space *mapping,
if (wbc->sync_mode == WB_SYNC_NONE) {
if (skips >= 5 || need_resched()) {
*_next = start;
+ folio_batch_release(&fbatch);
_leave(" = 0 [%llx]", *_next);
return 0;
}