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xfs: specify AG in bulk req

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Add a new xfs_bulk_ireq flag to constrain the iteration to a single AG.
If the passed-in startino value is zero then we start with the first
inode in the AG that the user passes in; otherwise, we iterate only
within the same AG as the passed-in inode.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2019-07-03 20:36:28 -07:00
parent fba9760a43
commit 13d59a2a61
7 changed files with 69 additions and 12 deletions
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4
fs/xfs/xfs_itable.h
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@@ -12,8 +12,12 @@ struct xfs_ibulk {
xfs_ino_t startino; /* start with this inode */
unsigned int icount; /* number of elements in ubuffer */
unsigned int ocount; /* number of records returned */
unsigned int flags; /* see XFS_IBULK_FLAG_* */
};
/* Only iterate within the same AG as startino */
#define XFS_IBULK_SAME_AG (XFS_IWALK_SAME_AG)
/* Return value that means we want to abort the walk. */
#define XFS_IBULK_ABORT (XFS_IWALK_ABORT)