In the case of interval_tree.h only interval_set() uses LASSERT which is removed in this patch and interval_set() instead reports a real error. The header libcfs.h for interval_tree.h is not needed anymore so we can just use the standard linux kernel headers instead.h Signed-off-by: James Simmons <uja.ornl@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6401 Reviewed-on: https://review.whamcloud.com/22522 Reviewed-on: https://review.whamcloud.com/24323 Reviewed-by: Frank Zago <fzago@xxxxxxxx> Reviewed-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx> Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- drivers/staging/lustre/lustre/include/interval_tree.h | 12 ++++++++---- drivers/staging/lustre/lustre/ldlm/ldlm_extent.c | 5 +++-- drivers/staging/lustre/lustre/llite/range_lock.c | 10 ++++++++-- drivers/staging/lustre/lustre/llite/range_lock.h | 2 +- 4 files changed, 20 insertions(+), 9 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/interval_tree.h b/drivers/staging/lustre/lustre/include/interval_tree.h index 5d387d3..0d4f92e 100644 --- a/drivers/staging/lustre/lustre/include/interval_tree.h +++ b/drivers/staging/lustre/lustre/include/interval_tree.h @@ -36,7 +36,9 @@ #ifndef _INTERVAL_H__ #define _INTERVAL_H__ -#include "../../include/linux/libcfs/libcfs.h" /* LASSERT. */ +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/types.h> struct interval_node { struct interval_node *in_left; @@ -73,13 +75,15 @@ static inline __u64 interval_high(struct interval_node *node) return node->in_extent.end; } -static inline void interval_set(struct interval_node *node, - __u64 start, __u64 end) +static inline int interval_set(struct interval_node *node, + __u64 start, __u64 end) { - LASSERT(start <= end); + if (start > end) + return -ERANGE; node->in_extent.start = start; node->in_extent.end = end; node->in_max_high = end; + return 0; } /* diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c index 5616ea4..08f97e2 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c @@ -162,7 +162,7 @@ void ldlm_extent_add_lock(struct ldlm_resource *res, struct interval_node *found, **root; struct ldlm_interval *node; struct ldlm_extent *extent; - int idx; + int idx, rc; LASSERT(lock->l_granted_mode == lock->l_req_mode); @@ -176,7 +176,8 @@ void ldlm_extent_add_lock(struct ldlm_resource *res, /* node extent initialize */ extent = &lock->l_policy_data.l_extent; - interval_set(&node->li_node, extent->start, extent->end); + rc = interval_set(&node->li_node, extent->start, extent->end); + LASSERT(!rc); root = &res->lr_itree[idx].lit_root; found = interval_insert(&node->li_node, root); diff --git a/drivers/staging/lustre/lustre/llite/range_lock.c b/drivers/staging/lustre/lustre/llite/range_lock.c index 94c818f..14148a0 100644 --- a/drivers/staging/lustre/lustre/llite/range_lock.c +++ b/drivers/staging/lustre/lustre/llite/range_lock.c @@ -61,17 +61,23 @@ void range_lock_tree_init(struct range_lock_tree *tree) * Pre: Caller should have allocated the range lock node. * Post: The range lock node is meant to cover [start, end] region */ -void range_lock_init(struct range_lock *lock, __u64 start, __u64 end) +int range_lock_init(struct range_lock *lock, __u64 start, __u64 end) { + int rc; + memset(&lock->rl_node, 0, sizeof(lock->rl_node)); if (end != LUSTRE_EOF) end >>= PAGE_SHIFT; - interval_set(&lock->rl_node, start >> PAGE_SHIFT, end); + rc = interval_set(&lock->rl_node, start >> PAGE_SHIFT, end); + if (rc) + return rc; + INIT_LIST_HEAD(&lock->rl_next_lock); lock->rl_task = NULL; lock->rl_lock_count = 0; lock->rl_blocking_ranges = 0; lock->rl_sequence = 0; + return rc; } static inline struct range_lock *next_lock(struct range_lock *lock) diff --git a/drivers/staging/lustre/lustre/llite/range_lock.h b/drivers/staging/lustre/lustre/llite/range_lock.h index c6d04a6..779091c 100644 --- a/drivers/staging/lustre/lustre/llite/range_lock.h +++ b/drivers/staging/lustre/lustre/llite/range_lock.h @@ -76,7 +76,7 @@ struct range_lock_tree { }; void range_lock_tree_init(struct range_lock_tree *tree); -void range_lock_init(struct range_lock *lock, __u64 start, __u64 end); +int range_lock_init(struct range_lock *lock, __u64 start, __u64 end); int range_lock(struct range_lock_tree *tree, struct range_lock *lock); void range_unlock(struct range_lock_tree *tree, struct range_lock *lock); #endif -- 1.8.3.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
