ext4: allow a NULL argument to ext4_ext_drop_refs()

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Teach ext4_ext_drop_refs() to accept a NULL argument, much like
kfree().  This allows us to drop a lot of checks to make sure path is
non-NULL before calling ext4_ext_drop_refs().

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

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This commit is contained in:

Theodore Ts'o 2014-09-01 14:39:09 -04:00

parent 523f431ccf

commit b7ea89ad0a

4 changed files with 29 additions and 51 deletions

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48

fs/ext4/extents.c

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6

fs/ext4/extents_status.c

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6

fs/ext4/migrate.c

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20

fs/ext4/move_extent.c

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