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-rw-r--r--fs/ext4/extents.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a5c8caaaa099..2798945a1920 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4337,10 +4337,16 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
4337 trace_ext4_fallocate_exit(inode, offset, max_blocks, ret); 4337 trace_ext4_fallocate_exit(inode, offset, max_blocks, ret);
4338 return ret; 4338 return ret;
4339 } 4339 }
4340 flags = EXT4_GET_BLOCKS_CREATE_UNINIT_EXT | 4340 flags = EXT4_GET_BLOCKS_CREATE_UNINIT_EXT;
4341 EXT4_GET_BLOCKS_NO_NORMALIZE;
4342 if (mode & FALLOC_FL_KEEP_SIZE) 4341 if (mode & FALLOC_FL_KEEP_SIZE)
4343 flags |= EXT4_GET_BLOCKS_KEEP_SIZE; 4342 flags |= EXT4_GET_BLOCKS_KEEP_SIZE;
4343 /*
4344 * Don't normalize the request if it can fit in one extent so
4345 * that it doesn't get unnecessarily split into multiple
4346 * extents.
4347 */
4348 if (len <= EXT_UNINIT_MAX_LEN << blkbits)
4349 flags |= EXT4_GET_BLOCKS_NO_NORMALIZE;
4344retry: 4350retry:
4345 while (ret >= 0 && ret < max_blocks) { 4351 while (ret >= 0 && ret < max_blocks) {
4346 map.m_lblk = map.m_lblk + ret; 4352 map.m_lblk = map.m_lblk + ret;