commit | 08c3a8133810d955d97f7146c50c43e4073f2148 | [log] [tgz] |
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author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | Wed Sep 09 23:50:17 2009 -0400 |
committer | Theodore Ts'o <tytso@mit.edu> | Wed Sep 09 23:50:17 2009 -0400 |
tree | 7caab5e454cdfc39817bd34b9a5be21743af5771 | |
parent | f41c0750538667b87a19c93952e5d42fcc069bd7 [diff] |
ext4: Clarify the locking details in mballoc We don't need to take the alloc_sem lock when we are adding new groups, since mballoc won't see the new group added until we bump sbi->s_groups_count. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>