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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2008-04-29 08:11:12 -0400
committerTheodore Ts'o <tytso@mit.edu>2008-04-29 08:11:12 -0400
commit1a89734d4057066344356e9c7e13b6379497aebe (patch)
tree7e0466cb367e3eb7aec72bdfd0c03aaa3e22449e /include/net/irda/discovery.h
parente067ba0078cd6f00eb6c4052fec630b78ebe59de (diff)
ext4: Return unwritten buffer head when trying to read from prealloc space.
ext4_ext_get_blocks() returns the number of blocks allocated with buffer head unmapped for a read from prealloc space. This is needed so that delayed allocation doesn't do block reservation for prealloc space since the blocks are already reserved on disk. Mark the buffer head unwritten. Some code paths try to read the block if the buffer_head is not new and no uptodate. Marking the buffer head unwritten avoids this reading. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/net/irda/discovery.h')
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