diff options
| -rw-r--r-- | fs/ntfs/attrib.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c index 239b7bcbaedf..58f32aac5f61 100644 --- a/fs/ntfs/attrib.c +++ b/fs/ntfs/attrib.c @@ -4293,6 +4293,16 @@ static int ntfs_non_resident_attr_shrink(struct ntfs_inode *ni, const s64 newsiz ni->initialized_size = newsize; ctx->attr->data.non_resident.initialized_size = cpu_to_le64(newsize); } + + /* + * Drop any page-cache folios that now lie beyond the shrunk + * attribute. The clusters backing them have just been freed and the + * runlist truncated, so leaving stale dirty folios around makes a + * later writeback map a vcn past the new allocation, which fails with + * -ENOENT and loses the write. + */ + truncate_inode_pages(VFS_I(ni)->i_mapping, newsize); + /* Update data size in the index. */ if (ni->type == AT_DATA && ni->name == AT_UNNAMED) NInoSetFileNameDirty(ni); |