diff options
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 90ba8d9df69..c7f166ab50e 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -1619,7 +1619,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode, BUG_ON(path[depth].p_hdr == NULL); /* try to insert block into found extent and return */ - if (ex && (flag != EXT4_GET_BLOCKS_PRE_IO) + if (ex && !(flag & EXT4_GET_BLOCKS_PRE_IO) && ext4_can_extents_be_merged(inode, ex, newext)) { ext_debug("append [%d]%d block to %d:[%d]%d (from %llu)\n", ext4_ext_is_uninitialized(newext), @@ -1740,7 +1740,7 @@ has_space: merge: /* try to merge extents to the right */ - if (flag != EXT4_GET_BLOCKS_PRE_IO) + if (!(flag & EXT4_GET_BLOCKS_PRE_IO)) ext4_ext_try_to_merge(inode, path, nearex); /* try to merge extents to the left */ @@ -3065,7 +3065,7 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode, ext4_ext_show_leaf(inode, path); /* get_block() before submit the IO, split the extent */ - if (flags == EXT4_GET_BLOCKS_PRE_IO) { + if ((flags & EXT4_GET_BLOCKS_PRE_IO)) { ret = ext4_split_unwritten_extents(handle, inode, path, iblock, max_blocks, flags); @@ -3078,10 +3078,12 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode, io->flag = EXT4_IO_UNWRITTEN; else ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN); + if (ext4_should_dioread_nolock(inode)) + set_buffer_uninit(bh_result); goto out; } /* IO end_io complete, convert the filled extent to written */ - if (flags == EXT4_GET_BLOCKS_CONVERT) { + if ((flags & EXT4_GET_BLOCKS_CONVERT)) { ret = ext4_convert_unwritten_extents_endio(handle, inode, path); if (ret >= 0) @@ -3351,21 +3353,21 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode, if (flags & EXT4_GET_BLOCKS_UNINIT_EXT){ ext4_ext_mark_uninitialized(&newex); /* - * io_end structure was created for every async - * direct IO write to the middle of the file. - * To avoid unecessary convertion for every aio dio rewrite - * to the mid of file, here we flag the IO that is really - * need the convertion. + * io_end structure was created for every IO write to an + * uninitialized extent. To avoid unecessary conversion, + * here we flag the IO that really needs the conversion. * For non asycn direct IO case, flag the inode state * that we need to perform convertion when IO is done. */ - if (flags == EXT4_GET_BLOCKS_PRE_IO) { + if ((flags & EXT4_GET_BLOCKS_PRE_IO)) { if (io) io->flag = EXT4_IO_UNWRITTEN; else ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN); } + if (ext4_should_dioread_nolock(inode)) + set_buffer_uninit(bh_result); } if (unlikely(EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL)) { |