btrfs: merge nr_pages input and output parameter in compress_pages

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The parameter saying how many pages can be allocated at maximum can be
merged with the output page counter, to save some stack space.  The
compression implementation will sink the parameter to a local variable
so everything works as before.

The nr_pages variables can also be simply merged in compress_file_range
into one.

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

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This commit is contained in:

David Sterba 2017-02-14 19:04:07 +01:00

parent 38c3146408

commit 4d3a800ebb

5 changed files with 11 additions and 15 deletions

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7

fs/btrfs/compression.c

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2

fs/btrfs/compression.h

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13

fs/btrfs/inode.c

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2

fs/btrfs/lzo.c

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2

fs/btrfs/zlib.c

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