Only pass the current reservation down to gfs2_rbm_find rather than the entire inode; we don't need any of the other information.
Signed-off-by: Andreas Gruenbacher <[email protected]> --- fs/gfs2/rgrp.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 05c97f8a078a..227a24eb83bf 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -79,7 +79,7 @@ static const char valid_change[16] = { }; static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, - const struct gfs2_inode *ip, bool nowrap); + struct gfs2_blkreserv *rs, bool nowrap); /** @@ -1587,7 +1587,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip, if (WARN_ON(gfs2_rbm_from_block(&rbm, goal))) return; - ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true); + ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, &ip->i_res, true); if (ret == 0) { rs->rs_start = gfs2_rbm_to_block(&rbm); rs->rs_free = extlen; @@ -1603,7 +1603,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip, * @rgd: The resource group * @block: The starting block * @length: The required length - * @ip: Ignore any reservations for this inode + * @ignore_rs: Reservation to ignore * * If the block does not appear in any reservation, then return the * block number unchanged. If it does appear in the reservation, then @@ -1613,7 +1613,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip, static u64 gfs2_next_unreserved_block(struct gfs2_rgrpd *rgd, u64 block, u32 length, - const struct gfs2_inode *ip) + struct gfs2_blkreserv *ignore_rs) { struct gfs2_blkreserv *rs; struct rb_node *n; @@ -1633,7 +1633,7 @@ static u64 gfs2_next_unreserved_block(struct gfs2_rgrpd *rgd, u64 block, } if (n) { - while ((rs_cmp(block, length, rs) == 0) && (&ip->i_res != rs)) { + while (rs_cmp(block, length, rs) == 0 && rs != ignore_rs) { block = rs->rs_start + rs->rs_free; n = n->rb_right; if (n == NULL) @@ -1649,7 +1649,7 @@ static u64 gfs2_next_unreserved_block(struct gfs2_rgrpd *rgd, u64 block, /** * gfs2_reservation_check_and_update - Check for reservations during block alloc * @rbm: The current position in the resource group - * @ip: The inode for which we are searching for blocks + * @rs: Our own reservation * @minext: The minimum extent length * @maxext: A pointer to the maximum extent structure * @@ -1663,7 +1663,7 @@ static u64 gfs2_next_unreserved_block(struct gfs2_rgrpd *rgd, u64 block, */ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm, - const struct gfs2_inode *ip, + struct gfs2_blkreserv *rs, u32 minext, struct gfs2_extent *maxext) { @@ -1685,7 +1685,7 @@ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm, * Check the extent which has been found against the reservations * and skip if parts of it are already reserved */ - nblock = gfs2_next_unreserved_block(rbm->rgd, block, extlen, ip); + nblock = gfs2_next_unreserved_block(rbm->rgd, block, extlen, rs); if (nblock == block) { if (!minext || extlen >= minext) return 0; @@ -1712,7 +1712,7 @@ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm, * @state: The state which we want to find * @minext: Pointer to the requested extent length * This is updated to be the actual reservation size. - * @ip: If set, check for reservations + * @rs: Our own reservation (NULL to skip checking reservations) * @nowrap: Stop looking at the end of the rgrp, rather than wrapping * around until we've reached the starting point. * @@ -1726,7 +1726,7 @@ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm, */ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, - const struct gfs2_inode *ip, bool nowrap) + struct gfs2_blkreserv *rs, bool nowrap) { bool scan_from_start = rbm->bii == 0 && rbm->offset == 0; struct buffer_head *bh; @@ -1763,10 +1763,10 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, goto next_bitmap; } rbm->offset = offset; - if (ip == NULL) + if (!rs) return 0; - ret = gfs2_reservation_check_and_update(rbm, ip, *minext, + ret = gfs2_reservation_check_and_update(rbm, rs, *minext, &maxext); if (ret == 0) return 0; @@ -2387,7 +2387,7 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks, int error; gfs2_set_alloc_start(&rbm, ip, dinode); - error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &minext, ip, false); + error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &minext, &ip->i_res, false); if (error == -ENOSPC) { gfs2_set_alloc_start(&rbm, ip, dinode); -- 2.26.2
