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btrfs: move leak debug code to functions

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Clean up the leak debugging in extent_io.c by moving
the debug code into functions.  This also removes the
list_heads used for debugging from the extent_buffer
and extent_state structures when debug is not enabled.

Since we need a global debug config to do that last
part, implement CONFIG_BTRFS_DEBUG to accommodate.

Thanks to Dave Sterba for the Kconfig bit.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Eric Sandeen
2013-04-22 16:12:31 +00:00
committed by Josef Bacik
parent ace68bac61
commit 6d49ba1b47
3 changed files with 72 additions and 56 deletions
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9
fs/btrfs/Kconfig
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@@ -63,3 +63,12 @@ config BTRFS_FS_RUN_SANITY_TESTS
If unsure, say N.
config BTRFS_DEBUG
bool "Btrfs debugging support"
depends on BTRFS_FS
help
Enable run-time debugging support for the btrfs filesystem. This may
enable additional and expensive checks with negative impact on
performance, or export extra information via sysfs.
If unsure, say N.