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authorCheng Nie <niecheng1@uniontech.com>2024-01-18 14:25:11 +0800
committerTheodore Ts'o <tytso@mit.edu>2024-02-21 22:33:21 -0500
commit547e64bda9c7bd6bda2d20a329bb0f60258fe19b (patch)
treef6dada6f98d861f46d57933b3e8dc9c6b24fc4ad /fs/ext4/inode.c
parent4b55d3431ce5ce906480f95391b7af4fecfa2d84 (diff)
ext4: fix the comment of ext4_map_blocks()/ext4_ext_map_blocks()
this comment of ext4_map_blocks()/ext4_ext_map_blocks() need update after commit c21770573319("ext4: Define a new set of flags for ext4_get_blocks()"). Signed-off-by: Cheng Nie <niecheng1@uniontech.com> Link: https://lore.kernel.org/r/20240118062511.28276-1-niecheng1@uniontech.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 2ccf3b5e3a7c..537803250ca9 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -465,9 +465,10 @@ static void ext4_map_blocks_es_recheck(handle_t *handle,
* Otherwise, call with ext4_ind_map_blocks() to handle indirect mapping
* based files
*
- * On success, it returns the number of blocks being mapped or allocated. if
- * create==0 and the blocks are pre-allocated and unwritten, the resulting @map
- * is marked as unwritten. If the create == 1, it will mark @map as mapped.
+ * On success, it returns the number of blocks being mapped or allocated.
+ * If flags doesn't contain EXT4_GET_BLOCKS_CREATE the blocks are
+ * pre-allocated and unwritten, the resulting @map is marked as unwritten.
+ * If the flags contain EXT4_GET_BLOCKS_CREATE, it will mark @map as mapped.
*
* It returns 0 if plain look up failed (blocks have not been allocated), in
* that case, @map is returned as unmapped but we still do fill map->m_len to
@@ -589,8 +590,7 @@ found:
* Returns if the blocks have already allocated
*
* Note that if blocks have been preallocated
- * ext4_ext_get_block() returns the create = 0
- * with buffer head unmapped.
+ * ext4_ext_map_blocks() returns with buffer head unmapped
*/
if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED)
/*