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| author | Zheng Liu <wenqing.lz@taobao.com> | 2013-02-18 00:28:04 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-02-18 00:28:04 -0500 |
| commit | a25a4e1a5d5dc0f97dddbca44e695c532d8228c1 (patch) | |
| tree | 4c2c484e8f0fe68835f859ff85c66b1a3a6a5497 /fs/ext4/extents.c | |
| parent | be401363ac5ec652c706263a59b0bd0acc3612e8 (diff) | |
| download | op-kernel-dev-a25a4e1a5d5dc0f97dddbca44e695c532d8228c1.zip op-kernel-dev-a25a4e1a5d5dc0f97dddbca44e695c532d8228c1.tar.gz | |
ext4: let ext4_ext_map_blocks return EXT4_MAP_UNWRITTEN flag
This commit lets ext4_ext_map_blocks return EXT4_MAP_UNWRITTEN flag
because in later commit ext4_map_blocks needs to use this flag to
determine the extent status.
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 895c195..cae8ae3 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3659,6 +3659,7 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode, ext4_set_io_unwritten_flag(inode, io); else ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN); + map->m_flags |= EXT4_MAP_UNWRITTEN; if (ext4_should_dioread_nolock(inode)) map->m_flags |= EXT4_MAP_UNINIT; goto out; @@ -3680,8 +3681,10 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode, * repeat fallocate creation request * we already have an unwritten extent */ - if (flags & EXT4_GET_BLOCKS_UNINIT_EXT) + if (flags & EXT4_GET_BLOCKS_UNINIT_EXT) { + map->m_flags |= EXT4_MAP_UNWRITTEN; goto map_out; + } /* buffered READ or buffered write_begin() lookup */ if ((flags & EXT4_GET_BLOCKS_CREATE) == 0) { @@ -4111,6 +4114,7 @@ got_allocated_blocks: /* Mark uninitialized */ if (flags & EXT4_GET_BLOCKS_UNINIT_EXT){ ext4_ext_mark_uninitialized(&newex); + map->m_flags |= EXT4_MAP_UNWRITTEN; /* * io_end structure was created for every IO write to an * uninitialized extent. To avoid unnecessary conversion, |
