[JFFS2] Add 'jeb' argument to jffs2_prealloc_raw_node_refs()

Preallocation of refs is shortly going to be a per-eraseblock thing,
rather than per-filesystem. Add the required argument to the function.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index aea58ee..c8386b2 100644 (file)
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -383,7 +383,7 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
                        .totlen =       cpu_to_je32(c->cleanmarker_size)
                };
 
-               jffs2_prealloc_raw_node_refs(c, 1);
+               jffs2_prealloc_raw_node_refs(c, jeb, 1);
 
                marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4));
 

diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
index 3df3250..171483e 100644 (file)
--- a/fs/jffs2/malloc.c
+++ b/fs/jffs2/malloc.c
@@ -190,7 +190,8 @@ void jffs2_free_tmp_dnode_info(struct jffs2_tmp_dnode_info *x)
        kmem_cache_free(tmp_dnode_info_slab, x);
 }
 
-int jffs2_prealloc_raw_node_refs(struct jffs2_sb_info *c, int nr)
+int jffs2_prealloc_raw_node_refs(struct jffs2_sb_info *c,
+                                struct jffs2_eraseblock *jeb, int nr)
 {
        struct jffs2_raw_node_ref *p = c->refs;
 

diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 21b0b7b..6c92dc4 100644 (file)
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -378,7 +378,8 @@ struct jffs2_raw_inode *jffs2_alloc_raw_inode(void);
 void jffs2_free_raw_inode(struct jffs2_raw_inode *);
 struct jffs2_tmp_dnode_info *jffs2_alloc_tmp_dnode_info(void);
 void jffs2_free_tmp_dnode_info(struct jffs2_tmp_dnode_info *);
-int jffs2_prealloc_raw_node_refs(struct jffs2_sb_info *c, int nr);
+int jffs2_prealloc_raw_node_refs(struct jffs2_sb_info *c, 
+                                struct jffs2_eraseblock *jeb, int nr);
 struct jffs2_raw_node_ref *__jffs2_alloc_raw_node_ref(void);
 void __jffs2_free_raw_node_ref(struct jffs2_raw_node_ref *);
 struct jffs2_node_frag *jffs2_alloc_node_frag(void);

diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index bbc873e..73a06d0 100644 (file)
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -138,7 +138,7 @@ int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
        }
        spin_unlock(&c->erase_completion_lock);
        if (!ret)
-               ret = jffs2_prealloc_raw_node_refs(c, 1);
+               ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
        if (ret)
                up(&c->alloc_sem);
        return ret;
@@ -161,7 +161,7 @@ int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize,
        }
        spin_unlock(&c->erase_completion_lock);
        if (!ret)
-               ret = jffs2_prealloc_raw_node_refs(c, 1);
+               ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
 
        return ret;
 }

diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index c25750a..5bbd4a3 100644 (file)
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -244,7 +244,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
 
                D1(printk(KERN_DEBUG "jffs2_scan_medium(): Skipping %d bytes in nextblock to ensure page alignment\n",
                          skip));
-               jffs2_prealloc_raw_node_refs(c, 1);
+               jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
                jffs2_scan_dirty_space(c, c->nextblock, skip);
        }
 #endif
@@ -576,7 +576,7 @@ scan_more:
                jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
                /* Make sure there are node refs available for use */
-               err = jffs2_prealloc_raw_node_refs(c, 2);
+               err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
                if (err)
                        return err;
 

diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index 0c66d16..a60bbce 100644 (file)
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -400,7 +400,7 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
                dbg_summary("processing summary index %d\n", i);
 
                /* Make sure there's a spare ref for dirty space */
-               err = jffs2_prealloc_raw_node_refs(c, 2);
+               err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
                if (err)
                        return err;
 
@@ -630,7 +630,7 @@ int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
                return ret;             /* real error */
 
        /* for PARANOIA_CHECK */
-       ret = jffs2_prealloc_raw_node_refs(c, 2);
+       ret = jffs2_prealloc_raw_node_refs(c, jeb, 2);
        if (ret)
                return ret;
 
@@ -815,9 +815,9 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
        dbg_summary("called\n");
 
        spin_unlock(&c->erase_completion_lock);
-       jffs2_prealloc_raw_node_refs(c, 1);
 
        jeb = c->nextblock;
+       jffs2_prealloc_raw_node_refs(c, jeb, 1);
 
        if (!c->summary->sum_num || !c->summary->sum_list_head) {
                JFFS2_WARNING("Empty summary info!!!\n");

diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 1871140..e16e45e 100644 (file)
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -179,13 +179,13 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
        unsigned char *buf;
        uint32_t start, end, ofs, len;
 
-       if (jffs2_prealloc_raw_node_refs(c, c->reserved_refs + 1))
+       jeb = &c->blocks[c->wbuf_ofs / c->sector_size];
+
+       if (jffs2_prealloc_raw_node_refs(c, jeb, c->reserved_refs + 1))
                return;
 
        spin_lock(&c->erase_completion_lock);
 
-       jeb = &c->blocks[c->wbuf_ofs / c->sector_size];
-
        jffs2_block_refile(c, jeb, REFILE_NOTEMPTY);
 
        /* Find the first node to be recovered, by skipping over every
@@ -417,7 +417,7 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad)
        if (!c->wbuf_len)       /* already checked c->wbuf above */
                return 0;
 
-       if (jffs2_prealloc_raw_node_refs(c, c->reserved_refs + 1))
+       if (jffs2_prealloc_raw_node_refs(c, c->nextblock, c->reserved_refs + 1))
                return -ENOMEM;
 
        /* claim remaining space on the page