Btrfs: add search and inode lookup ioctls

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The search ioctl is a generic tool for doing btree searches from
userland applications.  The first user of the search ioctl is a
subvolume listing feature, but we'll also use it to find new
files in a subvolume.

The search ioctl allows you to specify min and max keys to search for,
along with min and max transid.  It returns the items along with a
header that includes the item key.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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This commit is contained in:

Chris Mason 2010-02-28 15:39:26 -05:00

parent 98d377a089

commit ac8e9819d7

2 changed files with 299 additions and 16 deletions

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249

fs/btrfs/ioctl.c

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66

fs/btrfs/ioctl.h

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