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xfs: remove the nr_extents argument to xfs_iext_insert

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We only have two places that insert 2 extents at the same time, so unroll
the loop there.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2017-11-03 10:34:46 -07:00 committed by Darrick J. Wong
parent 6bdcf26ade
commit 0254c2f253
4 changed files with 26 additions and 40 deletions
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31
fs/xfs/libxfs/xfs_bmap.c
View File

@ -901,7 +901,7 @@ xfs_bmap_local_to_extents(
rec.br_blockcount = 1;
rec.br_state = XFS_EXT_NORM;
xfs_iext_first(ifp, &icur);
xfs_iext_insert(ip, &icur, 1, &rec, 0);
xfs_iext_insert(ip, &icur, &rec, 0);
XFS_IFORK_NEXT_SET(ip, whichfork, 1);
ip->i_d.di_nblocks = 1;
@ -1268,7 +1268,7 @@ xfs_iread_extents(
goto out_brelse;
}
xfs_bmbt_disk_get_all(frp, &new);
xfs_iext_insert(ip, &icur, 1, &new, state);
xfs_iext_insert(ip, &icur, &new, state);
trace_xfs_read_extent(ip, &icur, state, _THIS_IP_);
xfs_iext_next(ifp, &icur);
}
@ -1824,7 +1824,7 @@ xfs_bmap_add_extent_delay_real(
PREV.br_blockcount = temp;
PREV.br_startblock = nullstartblock(da_new);
xfs_iext_next(ifp, &bma->icur);
xfs_iext_insert(bma->ip, &bma->icur, 1, &PREV, state);
xfs_iext_insert(bma->ip, &bma->icur, &PREV, state);
xfs_iext_prev(ifp, &bma->icur);
break;
@ -1900,7 +1900,7 @@ xfs_bmap_add_extent_delay_real(
PREV.br_startblock = nullstartblock(da_new);
PREV.br_blockcount = temp;
xfs_iext_insert(bma->ip, &bma->icur, 1, &PREV, state);
xfs_iext_insert(bma->ip, &bma->icur, &PREV, state);
xfs_iext_next(ifp, &bma->icur);
break;
@ -1946,9 +1946,9 @@ xfs_bmap_add_extent_delay_real(
PREV.br_blockcount));
xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);
/* insert LEFT (r[0]) and RIGHT (r[1]) at the same time */
xfs_iext_next(ifp, &bma->icur);
xfs_iext_insert(bma->ip, &bma->icur, 2, &LEFT, state);
xfs_iext_insert(bma->ip, &bma->icur, &RIGHT, state);
xfs_iext_insert(bma->ip, &bma->icur, &LEFT, state);
(*nextents)++;
if (bma->cur == NULL)
@ -2312,7 +2312,7 @@ xfs_bmap_add_extent_unwritten_real(
PREV.br_blockcount -= new->br_blockcount;
xfs_iext_update_extent(ip, state, icur, &PREV);
xfs_iext_insert(ip, icur, 1, new, state);
xfs_iext_insert(ip, icur, new, state);
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
if (cur == NULL)
@ -2379,7 +2379,7 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_update_extent(ip, state, icur, &PREV);
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, 1, new, state);
xfs_iext_insert(ip, icur, new, state);
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
@ -2422,7 +2422,8 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_update_extent(ip, state, icur, &PREV);
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, 2, &r[0], state);
xfs_iext_insert(ip, icur, &r[1], state);
xfs_iext_insert(ip, icur, &r[0], state);
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 2);
@ -2630,7 +2631,7 @@ xfs_bmap_add_extent_hole_delay(
* Insert a new entry.
*/
oldlen = newlen = 0;
xfs_iext_insert(ip, icur, 1, new, state);
xfs_iext_insert(ip, icur, new, state);
break;
}
if (oldlen != newlen) {
@ -2814,7 +2815,7 @@ xfs_bmap_add_extent_hole_real(
* real allocation.
* Insert a new entry.
*/
xfs_iext_insert(ip, icur, 1, new, state);
xfs_iext_insert(ip, icur, new, state);
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
if (cur == NULL) {
@ -4737,7 +4738,7 @@ xfs_bmap_del_extent_delay(
xfs_iext_update_extent(ip, state, icur, got);
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, 1, &new, state);
xfs_iext_insert(ip, icur, &new, state);
da_new = got_indlen + new_indlen - stolen;
del->br_blockcount -= stolen;
@ -4818,7 +4819,7 @@ xfs_bmap_del_extent_cow(
xfs_iext_update_extent(ip, state, icur, got);
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, 1, &new, state);
xfs_iext_insert(ip, icur, &new, state);
break;
}
}
@ -5031,7 +5032,7 @@ xfs_bmap_del_extent_real(
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, 1, &new, state);
xfs_iext_insert(ip, icur, &new, state);
break;
}
@ -5893,7 +5894,7 @@ xfs_bmap_split_extent_at(
/* Add new extent */
xfs_iext_next(ifp, &icur);
xfs_iext_insert(ip, &icur, 1, &new, 0);
xfs_iext_insert(ip, &icur, &new, 0);
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);

31
fs/xfs/libxfs/xfs_iext_tree.c
View File

@ -619,16 +619,20 @@ xfs_iext_realloc_root(
cur->leaf = new;
}
static void
__xfs_iext_insert(
struct xfs_ifork *ifp,
void
xfs_iext_insert(
struct xfs_inode *ip,
struct xfs_iext_cursor *cur,
struct xfs_bmbt_irec *irec)
struct xfs_bmbt_irec *irec,
int state)
{
struct xfs_ifork *ifp = xfs_iext_state_to_fork(ip, state);
xfs_fileoff_t offset = irec->br_startoff;
struct xfs_iext_leaf *new = NULL;
int nr_entries, i;
trace_xfs_iext_insert(ip, cur, state, _RET_IP_);
if (ifp->if_height == 0)
xfs_iext_alloc_root(ifp, cur);
else if (ifp->if_height == 1)
@ -656,25 +660,6 @@ __xfs_iext_insert(
xfs_iext_insert_node(ifp, xfs_iext_leaf_key(new, 0), new, 2);
}
void
xfs_iext_insert(
struct xfs_inode *ip,
struct xfs_iext_cursor *cur,
xfs_extnum_t nr_extents,
struct xfs_bmbt_irec *new,
int state)
{
struct xfs_ifork *ifp = xfs_iext_state_to_fork(ip, state);
int i;
ASSERT(nr_extents > 0);
for (i = nr_extents - 1; i >= 0; i--) {
__xfs_iext_insert(ifp, cur, new + i);
trace_xfs_iext_insert(ip, cur, state, _RET_IP_);
}
}
static struct xfs_iext_node *
xfs_iext_rebalance_node(
struct xfs_iext_node *parent,

2
fs/xfs/libxfs/xfs_inode_fork.c
View File

@ -362,7 +362,7 @@ xfs_iformat_extents(
}
xfs_bmbt_disk_get_all(dp, &new);
xfs_iext_insert(ip, &icur, 1, &new, state);
xfs_iext_insert(ip, &icur, &new, state);
trace_xfs_read_extent(ip, &icur, state, _THIS_IP_);
xfs_iext_next(ifp, &icur);
}

2
fs/xfs/libxfs/xfs_inode_fork.h
View File

@ -114,7 +114,7 @@ void xfs_init_local_fork(struct xfs_inode *, int, const void *, int);
xfs_extnum_t xfs_iext_count(struct xfs_ifork *ifp);
void xfs_iext_insert(struct xfs_inode *, struct xfs_iext_cursor *cur,
xfs_extnum_t, struct xfs_bmbt_irec *, int);
struct xfs_bmbt_irec *, int);
void xfs_iext_remove(struct xfs_inode *, struct xfs_iext_cursor *,
int, int);
void xfs_iext_destroy(struct xfs_ifork *);