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btrfs: send: remove virtual_mem member from fs_path 

We don't need to keep track of that, it's available via is_vmalloc_addr.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
This commit is contained in:
David Sterba 2014-02-03 19:23:33 +01:00 committed by Josef Bacik
parent b23ab57d48
commit e25a812206
1 changed files with 2 additions and 6 deletions
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8
fs/btrfs/send.c
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@ -55,7 +55,6 @@ struct fs_path {
char *buf;
int buf_len;
unsigned int reversed:1;
unsigned int virtual_mem:1;
char inline_buf[];
};
char pad[PAGE_SIZE];
@ -241,7 +240,6 @@ static struct fs_path *fs_path_alloc(void)
if (!p)
return NULL;
p->reversed = 0;
p->virtual_mem = 0;
p->buf = p->inline_buf;
p->buf_len = FS_PATH_INLINE_SIZE;
fs_path_reset(p);
@ -265,7 +263,7 @@ static void fs_path_free(struct fs_path *p)
if (!p)
return;
if (p->buf != p->inline_buf) {
if (p->virtual_mem)
if (is_vmalloc_addr(p->buf))
vfree(p->buf);
else
kfree(p->buf);
@ -299,13 +297,12 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
tmp_buf = vmalloc(len);
if (!tmp_buf)
return -ENOMEM;
p->virtual_mem = 1;
}
memcpy(tmp_buf, p->buf, p->buf_len);
p->buf = tmp_buf;
p->buf_len = len;
} else {
if (p->virtual_mem) {
if (is_vmalloc_addr(p->buf)) {
tmp_buf = vmalloc(len);
if (!tmp_buf)
return -ENOMEM;
@ -319,7 +316,6 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
return -ENOMEM;
memcpy(tmp_buf, p->buf, p->buf_len);
kfree(p->buf);
p->virtual_mem = 1;
}
}
p->buf = tmp_buf;