diff mbox series

[3/8] xfs: create a helper to count per-device inode block usage

Message ID 170659062802.3353369.11902244582318302459.stgit@frogsfrogsfrogs (mailing list archive)
State New
Headers show
Series [1/8] xfs: report the health of quota counts | expand

Commit Message

Darrick J. Wong Jan. 30, 2024, 5:06 a.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Create a helper to compute the number of blocks that a file has
allocated from the data realtime volumes.  Christoph requested this be
split out to reduce the size of the upcoming quotacheck patch.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/xfs/xfs_inode.c |   16 ++++++++++++++++
 fs/xfs/xfs_inode.h |    2 ++
 2 files changed, 18 insertions(+)

Comments

Christoph Hellwig Jan. 30, 2024, 8:16 a.m. UTC | #1 
Not a fan of the name calling, but the patch looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 1fd94958aa97a..5670a2966e19f 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -3777,3 +3777,19 @@  xfs_ifork_zapped(
 		return false;
 	}
 }
+
+/* Compute the number of data and realtime blocks used by a file. */
+void
+xfs_inode_count_blocks(
+	struct xfs_trans	*tp,
+	struct xfs_inode	*ip,
+	xfs_filblks_t		*dblocks,
+	xfs_filblks_t		*rblocks)
+{
+	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK);
+
+	*rblocks = 0;
+	if (XFS_IS_REALTIME_INODE(ip))
+		xfs_bmap_count_leaves(ifp, rblocks);
+	*dblocks = ip->i_nblocks - *rblocks;
+}
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 97f63bacd4c2b..15a16e1404eea 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -623,5 +623,7 @@  int xfs_inode_reload_unlinked_bucket(struct xfs_trans *tp, struct xfs_inode *ip)
 int xfs_inode_reload_unlinked(struct xfs_inode *ip);
 
 bool xfs_ifork_zapped(const struct xfs_inode *ip, int whichfork);
+void xfs_inode_count_blocks(struct xfs_trans *tp, struct xfs_inode *ip,
+		xfs_filblks_t *dblocks, xfs_filblks_t *rblocks);
 
 #endif	/* __XFS_INODE_H__ */