btrfs: use non-RCU list traversal in write_all_supers callees

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We take the fs_devices::device_list_mutex mutex in write_all_supers
which will prevent any add/del changes to the device list. Therefore we
don't need to use the RCU variant list_for_each_entry_rcu in any of the
called functions.

Signed-off-by: David Sterba <dsterba@suse.com>

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David Sterba 2017-06-16 00:28:47 +02:00

parent d03262c75d

commit 1538e6c52e

1 changed files with 5 additions and 4 deletions

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fs/btrfs/disk-io.c

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