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authorJosef Bacik <jbacik@redhat.com>2008-12-02 06:36:08 -0500
committerChris Mason <chris.mason@oracle.com>2008-12-02 06:36:08 -0500
commitf2b636e80d8206dd4012de6e973c2367259a7d22 (patch)
tree4ed39baca853608bb7b77a6d1061766690cbb32a /samples/firmware_class/firmware_sample_driver.c
parent7a865e8ac3a8ead776ea2c8c74fa2b2d00a2c9cf (diff)
Btrfs: add support for compat flags to btrfs
This adds the necessary disk format for handling compatibility flags in the future to handle disk format changes. We have a compat_flags, compat_ro_flags and incompat_flags set for the super block. Compat flags will be to hold the features that are compatible with older versions of btrfs, compat_ro flags have features that are compatible with older versions of btrfs if the fs is mounted read only, and incompat_flags has features that are incompatible with older versions of btrfs. This also axes the compat_flags field for the inode and just makes the flags field a 64bit field, and changes the root item flags field to 64bit. Signed-off-by: Josef Bacik <jbacik@redhat.com>
Diffstat (limited to 'samples/firmware_class/firmware_sample_driver.c')
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