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Theodore Ts'o
61e2a90a91
The jbd2 layer enables NOFS mode using memalloc_nofs_{save,restore}()
while a handle is active. We need to do the same in nojournal mode so
that it is safe to remove GFP_NOFS flags while a jbd2 handle is
active.
This will require that we actually allocate a real handle, but with an
h_invalid flag set, so there is a place to put the saved memalloc
context.
Signed-off-by: Theodore Ts'o <[email protected]>
Reviewed-by: Andreas Dilger <[email protected]>