tree 723d781b430e7ab796b67eec4e956b6a2e47bf93
parent 166348dd37a4baacfb6fe495954b56f56b116f0c
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1220929534 -0400
committer Theodore Ts'o <tytso@mit.edu> 1220929534 -0400

ext4: Retry block allocation if we have free blocks left

When we truncate files, the meta-data blocks released are not reused
untill we commit the truncate transaction.  That means delayed get_block
request will return ENOSPC even if we have free blocks left.  Force a
journal commit and retry block allocation if we get ENOSPC with free
blocks left.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>