ext4: add comments to definition of ext4_io_end_t
authorCurt Wohlgemuth <curtw@google.com>
Mon, 5 Mar 2012 15:40:22 +0000 (10:40 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 5 Mar 2012 15:40:22 +0000 (10:40 -0500)
commit4188188bdc3aed29eb41fb1537305cff7431d062
tree8068d261bb142eeb6b5c443db23baf1dca77b09e
parentb43d17f319f2c502b17139d1cf70731b2b62c644
ext4: add comments to definition of ext4_io_end_t

This should make it more clear what this structure is used
for, and how some of the (mutually exclusive) fields are
used to keep page cache references.

Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/ext4.h
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