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Date: Sun, 19 Feb 2017 21:27:49 +0530 From: Bhumika Goyal <bhumirks@...il.com> To: julia.lawall@...6.fr, mfasheh@...sity.com, jlbec@...lplan.org, ocfs2-devel@....oracle.com, linux-kernel@...r.kernel.org Cc: Bhumika Goyal <bhumirks@...il.com> Subject: [PATCH] ocfs2: Add const to various occurrences of struct ocfs2_lock_res_ops The field l_ops of structure ocfs2_lock_res can be made const as it never modified after getting initialized. After making this change the parameter struct ocfs2_lock_res_ops *ops of function ocfs2_lock_res_init_common can be made const as ops is only stored in l_ops. Now the structures of type ocfs2_lock_res_ops can be made const as they are only passed as an argument to the above updated function. Signed-off-by: Bhumika Goyal <bhumirks@...il.com> --- fs/ocfs2/dlmglue.c | 26 +++++++++++++------------- fs/ocfs2/ocfs2.h | 2 +- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 77d1632..885f200 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -233,12 +233,12 @@ struct ocfs2_lock_res_ops { */ #define LOCK_TYPE_USES_LVB 0x2 -static struct ocfs2_lock_res_ops ocfs2_inode_rw_lops = { +static const struct ocfs2_lock_res_ops ocfs2_inode_rw_lops = { .get_osb = ocfs2_get_inode_osb, .flags = 0, }; -static struct ocfs2_lock_res_ops ocfs2_inode_inode_lops = { +static const struct ocfs2_lock_res_ops ocfs2_inode_inode_lops = { .get_osb = ocfs2_get_inode_osb, .check_downconvert = ocfs2_check_meta_downconvert, .set_lvb = ocfs2_set_meta_lvb, @@ -246,46 +246,46 @@ struct ocfs2_lock_res_ops { .flags = LOCK_TYPE_REQUIRES_REFRESH|LOCK_TYPE_USES_LVB, }; -static struct ocfs2_lock_res_ops ocfs2_super_lops = { +static const struct ocfs2_lock_res_ops ocfs2_super_lops = { .flags = LOCK_TYPE_REQUIRES_REFRESH, }; -static struct ocfs2_lock_res_ops ocfs2_rename_lops = { +static const struct ocfs2_lock_res_ops ocfs2_rename_lops = { .flags = 0, }; -static struct ocfs2_lock_res_ops ocfs2_nfs_sync_lops = { +static const struct ocfs2_lock_res_ops ocfs2_nfs_sync_lops = { .flags = 0, }; -static struct ocfs2_lock_res_ops ocfs2_orphan_scan_lops = { +static const struct ocfs2_lock_res_ops ocfs2_orphan_scan_lops = { .flags = LOCK_TYPE_REQUIRES_REFRESH|LOCK_TYPE_USES_LVB, }; -static struct ocfs2_lock_res_ops ocfs2_dentry_lops = { +static const struct ocfs2_lock_res_ops ocfs2_dentry_lops = { .get_osb = ocfs2_get_dentry_osb, .post_unlock = ocfs2_dentry_post_unlock, .downconvert_worker = ocfs2_dentry_convert_worker, .flags = 0, }; -static struct ocfs2_lock_res_ops ocfs2_inode_open_lops = { +static const struct ocfs2_lock_res_ops ocfs2_inode_open_lops = { .get_osb = ocfs2_get_inode_osb, .flags = 0, }; -static struct ocfs2_lock_res_ops ocfs2_flock_lops = { +static const struct ocfs2_lock_res_ops ocfs2_flock_lops = { .get_osb = ocfs2_get_file_osb, .flags = 0, }; -static struct ocfs2_lock_res_ops ocfs2_qinfo_lops = { +static const struct ocfs2_lock_res_ops ocfs2_qinfo_lops = { .set_lvb = ocfs2_set_qinfo_lvb, .get_osb = ocfs2_get_qinfo_osb, .flags = LOCK_TYPE_REQUIRES_REFRESH | LOCK_TYPE_USES_LVB, }; -static struct ocfs2_lock_res_ops ocfs2_refcount_block_lops = { +static const struct ocfs2_lock_res_ops ocfs2_refcount_block_lops = { .check_downconvert = ocfs2_check_refcount_downconvert, .downconvert_worker = ocfs2_refcount_convert_worker, .flags = 0, @@ -497,7 +497,7 @@ static inline void ocfs2_init_start_time(struct ocfs2_mask_waiter *mw) static void ocfs2_lock_res_init_common(struct ocfs2_super *osb, struct ocfs2_lock_res *res, enum ocfs2_lock_type type, - struct ocfs2_lock_res_ops *ops, + const struct ocfs2_lock_res_ops *ops, void *priv) { res->l_type = type; @@ -539,7 +539,7 @@ void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, unsigned int generation, struct inode *inode) { - struct ocfs2_lock_res_ops *ops; + const struct ocfs2_lock_res_ops *ops; switch(type) { case OCFS2_LOCK_TYPE_RW: diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 7e5958b..691e0813 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -167,7 +167,7 @@ struct ocfs2_lock_stats { struct ocfs2_lock_res { void *l_priv; - struct ocfs2_lock_res_ops *l_ops; + const struct ocfs2_lock_res_ops *l_ops; struct list_head l_blocked_list; -- 1.9.1
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