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authorBrian Behlendorf <[email protected]>2014-07-15 13:29:57 -0700
committerBrian Behlendorf <[email protected]>2014-07-17 15:15:07 -0700
commit1e8db7710220332808920a582e5794d6fc37b109 (patch)
tree5480855f5bc841e32703bc7cf4f0835b212f3077 /config/kernel-blk-queue-discard.m4
parenta5778ea2427bd340e3b4f697d9b6e1452bd71909 (diff)
Fix zil_commit() NULL dereference
Update the current code to ensure inodes are never dirtied if they are part of a read-only file system or snapshot. If they do somehow get dirtied an attempt will make made to write them to disk. In the case of snapshots, which don't have a ZIL, this will result in a NULL dereference in zil_commit(). Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2405
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