[Qemu-devel] [PATCH 15/19] block/parallels: rename catalog_ names to bat_

["Denis V. Lunev" <den@openvz.org>]

BAT means 'block allocation table'. Thus this name is clean and shorter
on writing.

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Kevin Wolf <kwolf@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
---
 block/parallels.c | 48 ++++++++++++++++++++++++------------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/block/parallels.c b/block/parallels.c
index d072276..ddc3aee 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -47,7 +47,7 @@ typedef struct ParallelsHeader {
     uint32_t heads;
     uint32_t cylinders;
     uint32_t tracks;
-    uint32_t catalog_entries;
+    uint32_t bat_entries;
     uint64_t nb_sectors;
     uint32_t inuse;
     uint32_t data_off;
@@ -59,8 +59,8 @@ typedef struct BDRVParallelsState {
 
     ParallelsHeader ph;
 
-    uint32_t *catalog_bitmap;
-    unsigned int catalog_size;
+    uint32_t *bat;
+    unsigned int bat_size;
 
     unsigned int tracks;
 
@@ -68,7 +68,7 @@ typedef struct BDRVParallelsState {
 } BDRVParallelsState;
 
 
-static uint32_t catalog_offset(uint32_t index)
+static uint32_t bat_offset(uint32_t index)
 {
     return sizeof(ParallelsHeader) + sizeof(uint32_t) * index;
 }
@@ -126,26 +126,26 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
         goto fail;
     }
 
-    s->catalog_size = le32_to_cpu(s->ph.catalog_entries);
-    if (s->catalog_size > INT_MAX / sizeof(uint32_t)) {
+    s->bat_size = le32_to_cpu(s->ph.bat_entries);
+    if (s->bat_size > INT_MAX / sizeof(uint32_t)) {
         error_setg(errp, "Catalog too large");
         ret = -EFBIG;
         goto fail;
     }
-    s->catalog_bitmap = g_try_new(uint32_t, s->catalog_size);
-    if (s->catalog_size && s->catalog_bitmap == NULL) {
+    s->bat = g_try_new(uint32_t, s->bat_size);
+    if (s->bat_size && s->bat == NULL) {
         ret = -ENOMEM;
         goto fail;
     }
 
     ret = bdrv_pread(bs->file, sizeof(ParallelsHeader),
-                     s->catalog_bitmap, s->catalog_size * sizeof(uint32_t));
+                     s->bat, s->bat_size * sizeof(uint32_t));
     if (ret < 0) {
         goto fail;
     }
 
-    for (i = 0; i < s->catalog_size; i++)
-        le32_to_cpus(&s->catalog_bitmap[i]);
+    for (i = 0; i < s->bat_size; i++)
+        le32_to_cpus(&s->bat[i]);
 
     qemu_co_mutex_init(&s->lock);
     return 0;
@@ -154,7 +154,7 @@ fail_format:
     error_setg(errp, "Image not in Parallels format");
     ret = -EINVAL;
 fail:
-    g_free(s->catalog_bitmap);
+    g_free(s->bat);
     return ret;
 }
 
@@ -166,9 +166,9 @@ static int64_t seek_to_sector(BDRVParallelsState *s, int64_t sector_num)
     offset = sector_num % s->tracks;
 
     /* not allocated */
-    if ((index >= s->catalog_size) || (s->catalog_bitmap[index] == 0))
+    if ((index >= s->bat_size) || (s->bat[index] == 0))
         return -1;
-    return (uint64_t)s->catalog_bitmap[index] * s->off_multiplier + offset;
+    return (uint64_t)s->bat[index] * s->off_multiplier + offset;
 }
 
 static int64_t allocate_sector(BlockDriverState *bs, int64_t sector_num)
@@ -181,24 +181,24 @@ static int64_t allocate_sector(BlockDriverState *bs, int64_t sector_num)
     idx = sector_num / s->tracks;
     offset = sector_num % s->tracks;
 
-    if (idx >= s->catalog_size) {
+    if (idx >= s->bat_size) {
         return -EINVAL;
     }
-    if (s->catalog_bitmap[idx] != 0) {
-        return (uint64_t)s->catalog_bitmap[idx] * s->off_multiplier + offset;
+    if (s->bat[idx] != 0) {
+        return (uint64_t)s->bat[idx] * s->off_multiplier + offset;
     }
 
     pos = bdrv_getlength(bs->file) >> BDRV_SECTOR_BITS;
     bdrv_truncate(bs->file, (pos + s->tracks) << BDRV_SECTOR_BITS);
-    s->catalog_bitmap[idx] = pos / s->off_multiplier;
+    s->bat[idx] = pos / s->off_multiplier;
 
-    tmp = cpu_to_le32(s->catalog_bitmap[idx]);
+    tmp = cpu_to_le32(s->bat[idx]);
 
-    ret = bdrv_pwrite_sync(bs->file, catalog_offset(idx), &tmp, sizeof(tmp));
+    ret = bdrv_pwrite_sync(bs->file, bat_offset(idx), &tmp, sizeof(tmp));
     if (ret < 0) {
         return ret;
     }
-    return (uint64_t)s->catalog_bitmap[idx] * s->off_multiplier + offset;
+    return (uint64_t)s->bat[idx] * s->off_multiplier + offset;
 }
 
 static int cluster_remainder(BDRVParallelsState *s, int64_t sector_num,
@@ -347,7 +347,7 @@ static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
     }
 
     cat_entries = DIV_ROUND_UP(total_size, cl_size);
-    cat_sectors = DIV_ROUND_UP(catalog_offset(cat_entries), cl_size);
+    cat_sectors = DIV_ROUND_UP(bat_offset(cat_entries), cl_size);
     cat_sectors = (cat_sectors *  cl_size) >> BDRV_SECTOR_BITS;
 
     memset(&header, 0, sizeof(header));
@@ -357,7 +357,7 @@ static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
     header.heads = cpu_to_le32(16);
     header.cylinders = cpu_to_le32(total_size / BDRV_SECTOR_SIZE / 16 / 32);
     header.tracks = cpu_to_le32(cl_size >> BDRV_SECTOR_BITS);
-    header.catalog_entries = cpu_to_le32(cat_entries);
+    header.bat_entries = cpu_to_le32(cat_entries);
     header.nb_sectors = cpu_to_le64(DIV_ROUND_UP(total_size, BDRV_SECTOR_SIZE));
     header.data_off = cpu_to_le32(cat_sectors);
 
@@ -387,7 +387,7 @@ exit:
 static void parallels_close(BlockDriverState *bs)
 {
     BDRVParallelsState *s = bs->opaque;
-    g_free(s->catalog_bitmap);
+    g_free(s->bat);
 }
 
 static QemuOptsList parallels_create_opts = {
-- 
1.9.1