Theodore Ts'o 2ed886852a ext4: Convert callers of ext4_get_blocks() to use ext4_map_blocks()
This saves a huge amount of stack space by avoiding unnecesary struct
buffer_head's from being allocated on the stack.

In addition, to make the code easier to understand, collapse and
refactor ext4_get_block(), ext4_get_block_write(),
noalloc_get_block_write(), into a single function.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2010-05-16 20:00:00 -04:00
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