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Commit c282af49 authored by Bryn M. Reeves's avatar Bryn M. Reeves Committed by David Teigland
Browse files

dlm: use vmalloc for hash tables 



Allocate dlm hash tables in the vmalloc area to allow a greater
maximum size without restructuring of the hash table code.

Signed-off-by: default avatarBryn M. Reeves <bmr@redhat.com>
Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent 55b3286d

fs/dlm/lockspace.c

+9 −9
Original line number Diff line number Diff line
@@ -463,7 +463,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, 
	size = dlm_config.ci_rsbtbl_size;

	ls->ls_rsbtbl_size = size;



	ls->ls_rsbtbl = kmalloc(sizeof(struct dlm_rsbtable) * size, GFP_NOFS);

	ls->ls_rsbtbl = vmalloc(sizeof(struct dlm_rsbtable) * size);

	if (!ls->ls_rsbtbl)

		goto out_lsfree;

	for (i = 0; i < size; i++) {
@@ -475,7 +475,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, 
	size = dlm_config.ci_lkbtbl_size;

	ls->ls_lkbtbl_size = size;



	ls->ls_lkbtbl = kmalloc(sizeof(struct dlm_lkbtable) * size, GFP_NOFS);

	ls->ls_lkbtbl = vmalloc(sizeof(struct dlm_lkbtable) * size);

	if (!ls->ls_lkbtbl)

		goto out_rsbfree;

	for (i = 0; i < size; i++) {
@@ -487,7 +487,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, 
	size = dlm_config.ci_dirtbl_size;

	ls->ls_dirtbl_size = size;



	ls->ls_dirtbl = kmalloc(sizeof(struct dlm_dirtable) * size, GFP_NOFS);

	ls->ls_dirtbl = vmalloc(sizeof(struct dlm_dirtable) * size);

	if (!ls->ls_dirtbl)

		goto out_lkbfree;

	for (i = 0; i < size; i++) {
@@ -603,11 +603,11 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, 
	spin_unlock(&lslist_lock);

	kfree(ls->ls_recover_buf);

 out_dirfree:

	kfree(ls->ls_dirtbl);

	vfree(ls->ls_dirtbl);

 out_lkbfree:

	kfree(ls->ls_lkbtbl);

	vfree(ls->ls_lkbtbl);

 out_rsbfree:

	kfree(ls->ls_rsbtbl);

	vfree(ls->ls_rsbtbl);

 out_lsfree:

	if (do_unreg)

		kobject_put(&ls->ls_kobj);
@@ -721,7 +721,7 @@ static int release_lockspace(struct dlm_ls *ls, int force) 
	 */



	dlm_dir_clear(ls);

	kfree(ls->ls_dirtbl);

	vfree(ls->ls_dirtbl);



	/*

	 * Free all lkb's on lkbtbl[] lists.
@@ -745,7 +745,7 @@ static int release_lockspace(struct dlm_ls *ls, int force) 
	}

	dlm_astd_resume();



	kfree(ls->ls_lkbtbl);

	vfree(ls->ls_lkbtbl);



	/*

	 * Free all rsb's on rsbtbl[] lists
@@ -770,7 +770,7 @@ static int release_lockspace(struct dlm_ls *ls, int force) 
		}

	}



	kfree(ls->ls_rsbtbl);

	vfree(ls->ls_rsbtbl);



	/*

	 * Free structures on any other lists