Commit 9c389aa6 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] export unmap_underlying__metadata()

From Anton Altaparmakov

The below bk patch against your current bk repository adds an export
for fs/buffer.c::unmap_underlying_metadata() to modules.

It is required to make ntfs compile as a module in the current kernel.

Note that NTFS doesn't currently dirty bufferheads of the underlying
blockdevice and as such could probably live without calling
unmap_underlying_metadata() but as soon as we enable writing to
compressed files it will do so and considering some of the
infrastructure code is already present I would rather not rip it out
now.
parent bf53ceda
...@@ -1622,6 +1622,7 @@ void unmap_underlying_metadata(struct block_device *bdev, sector_t block) ...@@ -1622,6 +1622,7 @@ void unmap_underlying_metadata(struct block_device *bdev, sector_t block)
__brelse(old_bh); __brelse(old_bh);
} }
} }
EXPORT_SYMBOL(unmap_underlying_metadata);
/* /*
* NOTE! All mapped/uptodate combinations are valid: * NOTE! All mapped/uptodate combinations are valid:
......
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