linux-kernel - [PATCH] jffs2: add sparse annotations for the erase_completion

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Date:	Thu, 29 May 2008 18:47:44 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Al Viro <viro@...IV.linux.org.uk>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] jffs2: add sparse annotations for the erase_completion_lock

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
 fs/jffs2/gc.c       |    2 ++
 fs/jffs2/nodemgmt.c |    4 ++++
 fs/jffs2/summary.c  |    2 ++
 3 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index 090c556..6312a67 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -39,6 +39,8 @@ static int jffs2_garbage_collect_live(struct jffs2_sb_info *c,  struct jffs2_era
 
 /* Called with erase_completion_lock held */
 static struct jffs2_eraseblock *jffs2_find_gc_block(struct jffs2_sb_info *c)
+__releases(&c->erase_completion_lock)
+__acquires(&c->erase_completion_lock)
 {
 	struct jffs2_eraseblock *ret;
 	struct list_head *nextlist = NULL;
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index a9bf960..728c8aa 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -204,6 +204,8 @@ static void jffs2_close_nextblock(struct jffs2_sb_info *c, struct jffs2_eraseblo
 /* Select a new jeb for nextblock */
 
 static int jffs2_find_nextblock(struct jffs2_sb_info *c)
+__releases(&c->erase_completion_lock)
+__acquires(&c->erase_completion_lock)
 {
 	struct list_head *next;
 
@@ -269,6 +271,8 @@ static int jffs2_find_nextblock(struct jffs2_sb_info *c)
 /* Called with alloc sem _and_ erase_completion_lock */
 static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
 				  uint32_t *len, uint32_t sumsize)
+__releases(&c->erase_completion_lock)
+__acquires(&c->erase_completion_lock)
 {
 	struct jffs2_eraseblock *jeb = c->nextblock;
 	uint32_t reserved_size;				/* for summary information at the end of the jeb */
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index 629af01..8410b6c 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -818,6 +818,8 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
 /* Write out summary information - called from jffs2_do_reserve_space */
 
 int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
+__releases(&c->erase_completion_lock)
+__acquires(&c->erase_completion_lock)
 {
 	int datasize, infosize, padsize;
 	struct jffs2_eraseblock *jeb;
-- 
1.5.6.rc0.277.g804cf



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