[PATCH 3/6] f2fs: skip truncate when verity in progress in ->write_begin()

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From: Eric Biggers <ebiggers@xxxxxxxxxx>

When an error (e.g. ENOSPC) occurs during f2fs_write_begin() when called
from f2fs_write_merkle_tree_block(), skip truncating the file.  i_size
is not meaningful in this case, and the truncation is handled by
f2fs_end_enable_verity() instead.

Fixes: 60d7bf0f790f ("f2fs: add fs-verity support")
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
 fs/f2fs/data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 3f525f8a3a5fa..00b03fb87bd9b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2476,7 +2476,7 @@ static void f2fs_write_failed(struct address_space *mapping, loff_t to)
 	struct inode *inode = mapping->host;
 	loff_t i_size = i_size_read(inode);
 
-	if (to > i_size) {
+	if (to > i_size && !f2fs_verity_in_progress(inode)) {
 		down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 		down_write(&F2FS_I(inode)->i_mmap_sem);
 
-- 
2.22.0




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