[PATCH 13/17] xfs: pass a struct xfs_bmbt_irec to xfs_bmbt_update

Christoph Hellwig
2017-09-03T07:30:39Z

Now that we've massaged the callers into the right form we can always
pass the actual extent record instead of the individual fields.

With that xfs_bmbt_disk_set_allf can go away, and xfs_bmbt_disk_set_all
can be merged into the former implementation of xfs_bmbt_disk_set_allf.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/libxfs/xfs_bmap.c | 114 +++++++++++------------------------------
fs/xfs/libxfs/xfs_bmap_btree.c | 42 +++++----------
fs/xfs/libxfs/xfs_bmap_btree.h | 4 +-
3 files changed, 44 insertions(+), 116 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index bc41fc18cceb..9d1e66c708f9 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -161,21 +161,17 @@ static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)
}

/*
- * Update the record referred to by cur to the value given
- * by [off, bno, len, state].
+ * Update the record referred to by cur to the value given by irec
* This either works (return 0) or gets an EFSCORRUPTED error.
*/
STATIC int
xfs_bmbt_update(
struct xfs_btree_cur *cur,
- xfs_fileoff_t off,
- xfs_fsblock_t bno,
- xfs_filblks_t len,
- xfs_exntst_t state)
+ struct xfs_bmbt_irec *irec)
{
union xfs_btree_rec rec;

- xfs_bmbt_disk_set_allf(&rec.bmbt, off, bno, len, state);
+ xfs_bmbt_disk_set_all(&rec.bmbt, irec);
return xfs_btree_update(cur, &rec);
}

@@ -1729,9 +1725,7 @@ xfs_bmap_add_extent_delay_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(bma->cur, LEFT.br_startoff,
- LEFT.br_startblock,
- LEFT.br_blockcount, LEFT.br_state);
+ error = xfs_bmbt_update(bma->cur, &LEFT);
if (error)
goto done;
}
@@ -1761,9 +1755,7 @@ xfs_bmap_add_extent_delay_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(bma->cur, LEFT.br_startoff,
- LEFT.br_startblock,
- LEFT.br_blockcount, LEFT.br_state);
+ error = xfs_bmbt_update(bma->cur, &LEFT);
if (error)
goto done;
}
@@ -1791,9 +1783,7 @@ xfs_bmap_add_extent_delay_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(bma->cur, PREV.br_startoff,
- PREV.br_startblock,
- PREV.br_blockcount, PREV.br_state);
+ error = xfs_bmbt_update(bma->cur, &PREV);
if (error)
goto done;
}
@@ -1852,9 +1842,7 @@ xfs_bmap_add_extent_delay_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(bma->cur, LEFT.br_startoff,
- LEFT.br_startblock, LEFT.br_blockcount,
- LEFT.br_state);
+ error = xfs_bmbt_update(bma->cur, &LEFT);
if (error)
goto done;
}
@@ -1942,9 +1930,7 @@ xfs_bmap_add_extent_delay_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(bma->cur, new->br_startoff,
- new->br_startblock, new->br_blockcount,
- new->br_state);
+ error = xfs_bmbt_update(bma->cur, new);
if (error)
goto done;
}
@@ -2304,9 +2290,7 @@ xfs_bmap_add_extent_unwritten_real(
if ((error = xfs_btree_decrement(cur, 0, &i)))
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, LEFT.br_startoff,
- LEFT.br_startblock, LEFT.br_blockcount,
- LEFT.br_state);
+ error = xfs_bmbt_update(cur, &LEFT);
if (error)
goto done;
}
@@ -2342,9 +2326,7 @@ xfs_bmap_add_extent_unwritten_real(
if ((error = xfs_btree_decrement(cur, 0, &i)))
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, LEFT.br_startoff,
- LEFT.br_startblock, LEFT.br_blockcount,
- LEFT.br_state);
+ error = xfs_bmbt_update(cur, &LEFT);
if (error)
goto done;
}
@@ -2379,9 +2361,7 @@ xfs_bmap_add_extent_unwritten_real(
if ((error = xfs_btree_decrement(cur, 0, &i)))
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, PREV.br_startoff,
- PREV.br_startblock, PREV.br_blockcount,
- PREV.br_state);
+ error = xfs_bmbt_update(cur, &PREV);
if (error)
goto done;
}
@@ -2407,9 +2387,7 @@ xfs_bmap_add_extent_unwritten_real(
&i)))
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, PREV.br_startoff,
- PREV.br_startblock, PREV.br_blockcount,
- PREV.br_state);
+ error = xfs_bmbt_update(cur, &PREV);
if (error)
goto done;
}
@@ -2445,17 +2423,13 @@ xfs_bmap_add_extent_unwritten_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, PREV.br_startoff,
- PREV.br_startblock, PREV.br_blockcount,
- PREV.br_state);
+ error = xfs_bmbt_update(cur, &PREV);
if (error)
goto done;
error = xfs_btree_decrement(cur, 0, &i);
if (error)
goto done;
- error = xfs_bmbt_update(cur, LEFT.br_startoff,
- LEFT.br_startblock, LEFT.br_blockcount,
- LEFT.br_state);
+ error = xfs_bmbt_update(cur, &LEFT);
if (error)
goto done;
}
@@ -2487,9 +2461,7 @@ xfs_bmap_add_extent_unwritten_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, PREV.br_startoff,
- PREV.br_startblock, PREV.br_blockcount,
- PREV.br_state);
+ error = xfs_bmbt_update(cur, &PREV);
if (error)
goto done;
cur->bc_rec.b = *new;
@@ -2529,17 +2501,13 @@ xfs_bmap_add_extent_unwritten_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, PREV.br_startoff,
- PREV.br_startblock, PREV.br_blockcount,
- PREV.br_state);
+ error = xfs_bmbt_update(cur, &PREV);
if (error)
goto done;
error = xfs_btree_increment(cur, 0, &i);
if (error)
goto done;
- error = xfs_bmbt_update(cur, RIGHT.br_startoff,
- RIGHT.br_startblock,
- RIGHT.br_blockcount, RIGHT.br_state);
+ error = xfs_bmbt_update(cur, &RIGHT);
if (error)
goto done;
}
@@ -2571,9 +2539,7 @@ xfs_bmap_add_extent_unwritten_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, PREV.br_startoff,
- PREV.br_startblock, PREV.br_blockcount,
- PREV.br_state);
+ error = xfs_bmbt_update(cur, &PREV);
if (error)
goto done;
if ((error = xfs_bmbt_lookup_eq(cur, new->br_startoff,
@@ -2623,9 +2589,8 @@ xfs_bmap_add_extent_unwritten_real(
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
/* new right extent - oldext */
- if ((error = xfs_bmbt_update(cur, r[1].br_startoff,
- r[1].br_startblock, r[1].br_blockcount,
- r[1].br_state)))
+ error = xfs_bmbt_update(cur, &r[1]);
+ if (error)
goto done;
/* new left extent - oldext */
cur->bc_rec.b = PREV;
@@ -2966,9 +2931,7 @@ xfs_bmap_add_extent_hole_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, left.br_startoff,
- left.br_startblock,
- left.br_blockcount, left.br_state);
+ error = xfs_bmbt_update(cur, &left);
if (error)
goto done;
}
@@ -2997,9 +2960,7 @@ xfs_bmap_add_extent_hole_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, left.br_startoff,
- left.br_startblock,
- left.br_blockcount, left.br_state);
+ error = xfs_bmbt_update(cur, &left);
if (error)
goto done;
}
@@ -3029,9 +2990,7 @@ xfs_bmap_add_extent_hole_real(
if (error)
goto done;
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
- error = xfs_bmbt_update(cur, right.br_startoff,
- right.br_startblock,
- right.br_blockcount, right.br_state);
+ error = xfs_bmbt_update(cur, &right);
if (error)
goto done;
}
@@ -5204,8 +5163,7 @@ xfs_bmap_del_extent_real(
flags |= xfs_ilog_fext(whichfork);
break;
}
- error = xfs_bmbt_update(cur, got.br_startoff, got.br_startblock,
- got.br_blockcount, got.br_state);
+ error = xfs_bmbt_update(cur, &got);
if (error)
goto done;
break;
@@ -5221,8 +5179,7 @@ xfs_bmap_del_extent_real(
flags |= xfs_ilog_fext(whichfork);
break;
}
- error = xfs_bmbt_update(cur, got.br_startoff, got.br_startblock,
- got.br_blockcount, got.br_state);
+ error = xfs_bmbt_update(cur, &got);
if (error)
goto done;
break;
@@ -5243,9 +5200,7 @@ xfs_bmap_del_extent_real(

flags |= XFS_ILOG_CORE;
if (cur) {
- error = xfs_bmbt_update(cur, got.br_startoff,
- got.br_startblock, got.br_blockcount,
- got.br_state);
+ error = xfs_bmbt_update(cur, &got);
if (error)
goto done;
error = xfs_btree_increment(cur, 0, &i);
@@ -5275,10 +5230,7 @@ xfs_bmap_del_extent_real(
* Update the btree record back
* to the original value.
*/
- error = xfs_bmbt_update(cur, old.br_startoff,
- old.br_startblock,
- old.br_blockcount,
- old.br_state);
+ error = xfs_bmbt_update(cur, &old);
if (error)
goto done;
/*
@@ -5816,8 +5768,7 @@ xfs_bmse_merge(
return error;
XFS_WANT_CORRUPTED_RETURN(mp, i == 1);

- error = xfs_bmbt_update(cur, new.br_startoff, new.br_startblock,
- new.br_blockcount, new.br_state);
+ error = xfs_bmbt_update(cur, &new);
if (error)
return error;

@@ -5934,9 +5885,7 @@ xfs_bmse_shift_one(
return error;
XFS_WANT_CORRUPTED_RETURN(mp, i == 1);

- error = xfs_bmbt_update(cur, new.br_startoff,
- new.br_startblock, new.br_blockcount,
- new.br_state);
+ error = xfs_bmbt_update(cur, &new);
if (error)
return error;
} else {
@@ -6197,10 +6146,7 @@ xfs_bmap_split_extent_at(

logflags = XFS_ILOG_CORE;
if (cur) {
- error = xfs_bmbt_update(cur, got.br_startoff,
- got.br_startblock,
- got.br_blockcount,
- got.br_state);
+ error = xfs_bmbt_update(cur, &got);
if (error)
goto del_cursor;
} else
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index a6331ffa51e3..7e2d981626ef 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -228,48 +228,32 @@ xfs_bmbt_set_all(
s->br_blockcount, s->br_state);
}

-
/*
- * Set all the fields in a disk format bmap extent record from the arguments.
+ * Set all the fields in a bmap extent record from the uncompressed form.
*/
void
-xfs_bmbt_disk_set_allf(
- xfs_bmbt_rec_t *r,
- xfs_fileoff_t startoff,
- xfs_fsblock_t startblock,
- xfs_filblks_t blockcount,
- xfs_exntst_t state)
+xfs_bmbt_disk_set_all(
+ struct xfs_bmbt_rec *r,
+ struct xfs_bmbt_irec *s)
{
- int extent_flag = (state == XFS_EXT_NORM) ? 0 : 1;
+ int extent_flag = (s->br_state != XFS_EXT_NORM);

- ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN);
- ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0);
- ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
- ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0);
+ ASSERT(s->br_state == XFS_EXT_NORM || s->br_state == XFS_EXT_UNWRITTEN);
+ ASSERT(!(s->br_startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)));
+ ASSERT(!(s->br_blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)));
+ ASSERT(!(s->br_startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)));

r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
- ((xfs_bmbt_rec_base_t)startoff << 9) |
- ((xfs_bmbt_rec_base_t)startblock >> 43));
+ ((xfs_bmbt_rec_base_t)s->br_startoff << 9) |
+ ((xfs_bmbt_rec_base_t)s->br_startblock >> 43));
r->l1 = cpu_to_be64(
- ((xfs_bmbt_rec_base_t)startblock << 21) |
- ((xfs_bmbt_rec_base_t)blockcount &
+ ((xfs_bmbt_rec_base_t)s->br_startblock << 21) |
+ ((xfs_bmbt_rec_base_t)s->br_blockcount &
(xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
}

/*
- * Set all the fields in a bmap extent record from the uncompressed form.
- */
-STATIC void
-xfs_bmbt_disk_set_all(
- xfs_bmbt_rec_t *r,
- xfs_bmbt_irec_t *s)
-{
- xfs_bmbt_disk_set_allf(r, s->br_startoff, s->br_startblock,
- s->br_blockcount, s->br_state);
-}
-
-/*
* Set the blockcount field in a bmap extent record.
*/
void
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.h b/fs/xfs/libxfs/xfs_bmap_btree.h
index 9da5a8d4f184..bd3c56f1cd03 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.h
+++ b/fs/xfs/libxfs/xfs_bmap_btree.h
@@ -104,6 +104,7 @@ extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_host_t *r);
extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_host_t *r);
extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_host_t *r);

+void xfs_bmbt_disk_set_all(struct xfs_bmbt_rec *r, struct xfs_bmbt_irec *s);
extern xfs_filblks_t xfs_bmbt_disk_get_blockcount(xfs_bmbt_rec_t *r);
extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(xfs_bmbt_rec_t *r);

@@ -115,9 +116,6 @@ extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_host_t *r, xfs_fsblock_t v);
extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_host_t *r, xfs_fileoff_t v);
extern void xfs_bmbt_set_state(xfs_bmbt_rec_host_t *r, xfs_exntst_t v);

-extern void xfs_bmbt_disk_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o,
- xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v);
-
extern void xfs_bmbt_to_bmdr(struct xfs_mount *, struct xfs_btree_block *, int,
xfs_bmdr_block_t *, int);

--
2.11.0