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mars_bio: fix size update in get_info()

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Thomas Schoebel-Theuer 2012-08-16 14:42:54 +02:00 committed by Thomas Schoebel-Theuer
parent a9e7affde5
commit e76694df49
1 changed files with 10 additions and 3 deletions
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13
mars_bio.c
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@ -190,13 +190,20 @@ out:
static int bio_get_info(struct bio_output *output, struct mars_info *info) static int bio_get_info(struct bio_output *output, struct mars_info *info)
{ {
struct bio_brick *brick = output->brick; struct bio_brick *brick = output->brick;
struct inode *inode;
int status = 0; int status = 0;
if (unlikely(!brick->filp ||
!brick->filp->f_mapping ||
!(inode = brick->filp->f_mapping->host))) {
status = -ENOENT;
goto done;
}
brick->total_size = inode->i_size;
info->current_size = brick->total_size; info->current_size = brick->total_size;
MARS_DBG("determined device size = %lld\n", info->current_size); MARS_DBG("determined device size = %lld\n", info->current_size);
info->backing_file = brick->filp; info->backing_file = brick->filp;
if (!brick->filp) { done:
status = -ENOENT;
}
return status; return status;
} }