diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/libcfs/tracefile.c')
-rw-r--r-- | drivers/staging/lustre/lustre/libcfs/tracefile.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/staging/lustre/lustre/libcfs/tracefile.c b/drivers/staging/lustre/lustre/libcfs/tracefile.c index f2d018d7823c..65c4f1ab0de8 100644 --- a/drivers/staging/lustre/lustre/libcfs/tracefile.c +++ b/drivers/staging/lustre/lustre/libcfs/tracefile.c @@ -199,7 +199,6 @@ static void cfs_tcd_shrink(struct cfs_trace_cpu_data *tcd) pgcount + 1, tcd->tcd_cur_pages); INIT_LIST_HEAD(&pc.pc_pages); - spin_lock_init(&pc.pc_lock); list_for_each_entry_safe(tage, tmp, &tcd->tcd_pages, linkage) { if (pgcount-- == 0) @@ -451,7 +450,7 @@ console: cfs_print_to_console(&header, mask, string_buf, needed, file, msgdata->msg_fn); - cfs_trace_put_console_buffer(string_buf); + put_cpu(); } if (cdls != NULL && cdls->cdls_count != 0) { @@ -465,7 +464,7 @@ console: cfs_print_to_console(&header, mask, string_buf, needed, file, msgdata->msg_fn); - cfs_trace_put_console_buffer(string_buf); + put_cpu(); cdls->cdls_count = 0; } @@ -522,7 +521,6 @@ static void collect_pages_on_all_cpus(struct page_collection *pc) struct cfs_trace_cpu_data *tcd; int i, cpu; - spin_lock(&pc->pc_lock); for_each_possible_cpu(cpu) { cfs_tcd_for_each_type_lock(tcd, i, cpu) { list_splice_init(&tcd->tcd_pages, &pc->pc_pages); @@ -534,7 +532,6 @@ static void collect_pages_on_all_cpus(struct page_collection *pc) } } } - spin_unlock(&pc->pc_lock); } static void collect_pages(struct page_collection *pc) @@ -555,7 +552,6 @@ static void put_pages_back_on_all_cpus(struct page_collection *pc) struct cfs_trace_page *tmp; int i, cpu; - spin_lock(&pc->pc_lock); for_each_possible_cpu(cpu) { cfs_tcd_for_each_type_lock(tcd, i, cpu) { cur_head = tcd->tcd_pages.next; @@ -573,7 +569,6 @@ static void put_pages_back_on_all_cpus(struct page_collection *pc) } } } - spin_unlock(&pc->pc_lock); } static void put_pages_back(struct page_collection *pc) @@ -592,7 +587,6 @@ static void put_pages_on_tcd_daemon_list(struct page_collection *pc, struct cfs_trace_page *tage; struct cfs_trace_page *tmp; - spin_lock(&pc->pc_lock); list_for_each_entry_safe(tage, tmp, &pc->pc_pages, linkage) { __LASSERT_TAGE_INVARIANT(tage); @@ -616,7 +610,6 @@ static void put_pages_on_tcd_daemon_list(struct page_collection *pc, tcd->tcd_cur_daemon_pages--; } } - spin_unlock(&pc->pc_lock); } static void put_pages_on_daemon_list(struct page_collection *pc) @@ -636,8 +629,6 @@ void cfs_trace_debug_print(void) struct cfs_trace_page *tage; struct cfs_trace_page *tmp; - spin_lock_init(&pc.pc_lock); - pc.pc_want_daemon_pages = 1; collect_pages(&pc); list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) { @@ -692,7 +683,6 @@ int cfs_tracefile_dump_all_pages(char *filename) goto out; } - spin_lock_init(&pc.pc_lock); pc.pc_want_daemon_pages = 1; collect_pages(&pc); if (list_empty(&pc.pc_pages)) { @@ -739,8 +729,6 @@ void cfs_trace_flush_pages(void) struct cfs_trace_page *tage; struct cfs_trace_page *tmp; - spin_lock_init(&pc.pc_lock); - pc.pc_want_daemon_pages = 1; collect_pages(&pc); list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) { @@ -817,11 +805,6 @@ int cfs_trace_allocate_string_buffer(char **str, int nob) return 0; } -void cfs_trace_free_string_buffer(char *str, int nob) -{ - kfree(str); -} - int cfs_trace_dump_debug_buffer_usrstr(void __user *usr_str, int usr_str_nob) { char *str; @@ -842,7 +825,7 @@ int cfs_trace_dump_debug_buffer_usrstr(void __user *usr_str, int usr_str_nob) } rc = cfs_tracefile_dump_all_pages(str); out: - cfs_trace_free_string_buffer(str, usr_str_nob + 1); + kfree(str); return rc; } @@ -898,7 +881,7 @@ int cfs_trace_daemon_command_usrstr(void __user *usr_str, int usr_str_nob) if (rc == 0) rc = cfs_trace_daemon_command(str); - cfs_trace_free_string_buffer(str, usr_str_nob + 1); + kfree(str); return rc; } @@ -970,7 +953,6 @@ static int tracefiled(void *arg) /* we're started late enough that we pick up init's fs context */ /* this is so broken in uml? what on earth is going on? */ - spin_lock_init(&pc.pc_lock); complete(&tctl->tctl_start); while (1) { @@ -1170,7 +1152,6 @@ static void cfs_trace_cleanup(void) struct page_collection pc; INIT_LIST_HEAD(&pc.pc_pages); - spin_lock_init(&pc.pc_lock); trace_cleanup_on_all_cpus(); |