tree 51f8a245caa53776fb9617973742ffc81023e007
parent 2fa3cdfb319055fd8b25abdafa413e16f00ad493
author Theodore Ts'o <tytso@mit.edu> 1242323828 -0400
committer Theodore Ts'o <tytso@mit.edu> 1242323828 -0400

ext4: Clean up ext4_get_blocks() so it does not depend on bh_result->b_state

The ext4_get_blocks() function was depending on the value of
bh_result->b_state as an input parameter to decide whether or not
update the delalloc accounting statistics by calling
ext4_da_update_reserve_space().  We now use a separate flag,
EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE, to requests this update, so that
all callers of ext4_get_blocks() can clear map_bh.b_state before
calling ext4_get_blocks() without worrying about any consistency
issues.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>