xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
複製 0
程式碼 問題管理 合併請求 Actions Packages Projects 版本發佈 Wiki Activity

gfs2: Add gfs2_max_stuffed_size

瀏覽代碼 
Add a small inline function for computing the maximum size of a stuffed
inode instead of open coding that in several places throughout the code.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
This commit is contained in:
Andreas Gruenbacher
2017-11-14 16:53:12 +01:00
committed by Bob Peterson
父節點 9db115a0e3
當前提交 235628c5c7
共有 5 個文件被更改，包括 17 次插入 和 16 次删除
Download Patch File Download Diff File Expand all files Collapse all files

10
fs/gfs2/bmap.c
查看文件

@@ -69,8 +69,8 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
void *kaddr = kmap(page);
u64 dsize = i_size_read(inode);
if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
dsize = dibh->b_size - sizeof(struct gfs2_dinode);
if (dsize > gfs2_max_stuffed_size(ip))
dsize = gfs2_max_stuffed_size(ip);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
@@ -1692,8 +1692,7 @@ static int do_grow(struct inode *inode, u64 size)
int error;
int unstuff = 0;
if (gfs2_is_stuffed(ip) &&
(size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) {
if (gfs2_is_stuffed(ip) && size > gfs2_max_stuffed_size(ip)) {
error = gfs2_quota_lock_check(ip, &ap);
if (error)
return error;
@@ -1928,8 +1927,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
return 0;
if (gfs2_is_stuffed(ip)) {
if (offset + len >
sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode))
if (offset + len > gfs2_max_stuffed_size(ip))
return 1;
return 0;
}