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27 March 2024, 02:37:15 UTC
Revision 947b10ae0aeda89fc066a7470fdba55f72b0b8fc authored by Ryusuke Konishi on 16 December 2010, 00:57:57 UTC, committed by Ryusuke Konishi on 16 December 2010, 05:35:18 UTC 
nilfs2: fix regression of garbage collection ioctl
 
On 2.6.37-rc1, garbage collection ioctl of nilfs was broken due to the
commit 263d90cefc7d82a0 ("nilfs2: remove own inode hash used for GC"),
and leading to filesystem corruption.

The patch doesn't queue gc-inodes for log writer if they are reused
through the vfs inode cache.  Here, gc-inode is the inode which
buffers blocks to be relocated on GC.  That patch queues gc-inodes in
nilfs_init_gcinode() function, but this function is not called when
they don't have I_NEW flag.  Thus, some of live blocks are wrongly
overrode without being moved to new logs.

This resolves the problem by moving the gc-inode queueing to an outer
function to ensure it's done right.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
1 parent b0c3844
History
Tip revision: 947b10ae0aeda89fc066a7470fdba55f72b0b8fc authored by Ryusuke Konishi on 16 December 2010, 00:57:57 UTC
nilfs2: fix regression of garbage collection ioctl
Tip revision: 947b10a
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