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由 Aneesh Kumar K.V 提交于
The delayed allocation code allocates blocks during writepages(), which can not handle block allocation failures. To deal with this, we switch away from delayed allocation mode when we are running low on free blocks. This also allows us to avoid needing to reserve a large number of meta-data blocks in case all of the requested blocks are discontiguous. Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NMingming Cao <cmm@us.ibm.com> Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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