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authorAdrian Hunter <ext-adrian.hunter@nokia.com>2008-08-22 14:23:35 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-08-25 14:34:02 +0300
commit601c0bc46753007be011b513ba4fc50ed8e30aef (patch)
tree39017065a8418b60362686a7771afe138e100c08 /fs/ubifs/budget.c
parent761e29f3bb19b05bea55285dfdf2d28e001a63b8 (diff)
UBIFS: allow for racing between GC and TNC
The TNC mutex is unlocked prematurely when reading leaf nodes with non-hashed keys. This is unsafe because the node may be moved by garbage collection and the eraseblock unmapped, although that has never actually happened during stress testing. This patch fixes the flaw by detecting the race and retrying with the TNC mutex locked. Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Diffstat (limited to 'fs/ubifs/budget.c')
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