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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-13 06:40:34 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-13 06:40:34 +0100
commitdd19f4116ec330bc985e1a85a66b8dd0f2dca20d (patch)
treeaaa5b5c3b7105ab2ed22b1c5107ba9127fbeafa9 /fs/btrfs/send.c
parent8ff656643d3075154419680470dbfdbd6092e31f (diff)
parent5bc55a333a2f7316b58edc7573e8e893f7acb532 (diff)
Merge 6.13-rc7 into driver-core-next
We need the debugfs / driver-core fixes in here as well for testing and to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/send.c')
-rw-r--r--fs/btrfs/send.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 7254279c3cc9..498c84323253 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -5280,6 +5280,7 @@ static int put_file_data(struct send_ctx *sctx, u64 offset, u32 len)
unsigned cur_len = min_t(unsigned, len,
PAGE_SIZE - pg_offset);
+again:
folio = filemap_lock_folio(mapping, index);
if (IS_ERR(folio)) {
page_cache_sync_readahead(mapping,
@@ -5312,6 +5313,11 @@ static int put_file_data(struct send_ctx *sctx, u64 offset, u32 len)
ret = -EIO;
break;
}
+ if (folio->mapping != mapping) {
+ folio_unlock(folio);
+ folio_put(folio);
+ goto again;
+ }
}
memcpy_from_folio(sctx->send_buf + sctx->send_size, folio,