Rename all ref_count to refs in struct

refs is better than ref_count to record a struct's ref count.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Suggested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 1ae527c9f8f4bf8f733313191f39368086964308..8af7372238fc13393772000189b9a083ba8f9f7e 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -79,7 +79,7 @@ struct scrub_page {
        u64                     logical;
        u64                     physical;
        u64                     physical_for_dev_replace;
-       atomic_t                ref_count;
+       atomic_t                refs;
        struct {
                unsigned int    mirror_num:8;
                unsigned int    have_csum:1;
@@ -112,7 +112,7 @@ struct scrub_block {
        struct scrub_page       *pagev[SCRUB_MAX_PAGES_PER_BLOCK];
        int                     page_count;
        atomic_t                outstanding_pages;
-       atomic_t                ref_count; /* free mem on transition to zero */
+       atomic_t                refs; /* free mem on transition to zero */
        struct scrub_ctx        *sctx;
        struct scrub_parity     *sparity;
        struct {
@@ -141,7 +141,7 @@ struct scrub_parity {
 
        int                     stripe_len;
 
-       atomic_t                ref_count;
+       atomic_t                refs;
 
        struct list_head        spages;
 
@@ -1313,7 +1313,7 @@ static int scrub_setup_recheck_block(struct scrub_block *original_sblock,
        int ret;
 
        /*
-        * note: the two members ref_count and outstanding_pages
+        * note: the two members refs and outstanding_pages
         * are not used (and not set) in the blocks that are used for
         * the recheck procedure
         */
@@ -2026,12 +2026,12 @@ static int scrub_checksum_super(struct scrub_block *sblock)
 
 static void scrub_block_get(struct scrub_block *sblock)
 {
-       atomic_inc(&sblock->ref_count);
+       atomic_inc(&sblock->refs);
 }
 
 static void scrub_block_put(struct scrub_block *sblock)
 {
-       if (atomic_dec_and_test(&sblock->ref_count)) {
+       if (atomic_dec_and_test(&sblock->refs)) {
                int i;
 
                if (sblock->sparity)
@@ -2045,12 +2045,12 @@ static void scrub_block_put(struct scrub_block *sblock)
 
 static void scrub_page_get(struct scrub_page *spage)
 {
-       atomic_inc(&spage->ref_count);
+       atomic_inc(&spage->refs);
 }
 
 static void scrub_page_put(struct scrub_page *spage)
 {
-       if (atomic_dec_and_test(&spage->ref_count)) {
+       if (atomic_dec_and_test(&spage->refs)) {
                if (spage->page)
                        __free_page(spage->page);
                kfree(spage);
@@ -2176,7 +2176,7 @@ static int scrub_pages(struct scrub_ctx *sctx, u64 logical, u64 len,
 
        /* one ref inside this function, plus one for each page added to
         * a bio later on */
-       atomic_set(&sblock->ref_count, 1);
+       atomic_set(&sblock->refs, 1);
        sblock->sctx = sctx;
        sblock->no_io_error_seen = 1;
 
@@ -2469,7 +2469,7 @@ static int scrub_pages_for_parity(struct scrub_parity *sparity,
 
        /* one ref inside this function, plus one for each page added to
         * a bio later on */
-       atomic_set(&sblock->ref_count, 1);
+       atomic_set(&sblock->refs, 1);
        sblock->sctx = sctx;
        sblock->no_io_error_seen = 1;
        sblock->sparity = sparity;
@@ -2721,12 +2721,12 @@ static inline int scrub_calc_parity_bitmap_len(int nsectors)
 
 static void scrub_parity_get(struct scrub_parity *sparity)
 {
-       atomic_inc(&sparity->ref_count);
+       atomic_inc(&sparity->refs);
 }
 
 static void scrub_parity_put(struct scrub_parity *sparity)
 {
-       if (!atomic_dec_and_test(&sparity->ref_count))
+       if (!atomic_dec_and_test(&sparity->refs))
                return;
 
        scrub_parity_check_and_repair(sparity);
@@ -2776,7 +2776,7 @@ static noinline_for_stack int scrub_raid56_parity(struct scrub_ctx *sctx,
        sparity->scrub_dev = sdev;
        sparity->logic_start = logic_start;
        sparity->logic_end = logic_end;
-       atomic_set(&sparity->ref_count, 1);
+       atomic_set(&sparity->refs, 1);
        INIT_LIST_HEAD(&sparity->spages);
        sparity->dbitmap = sparity->bitmap;
        sparity->ebitmap = (void *)sparity->bitmap + bitmap_len;