f2fs: check cap_resource only for data blocks
This patch changes the rule to check cap_resource for data blocks, not inode
or node blocks in order to avoid selinux denial.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 7d586b3..84be1e7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1612,7 +1612,7 @@
}
static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
- struct inode *inode)
+ struct inode *inode, bool cap)
{
if (!inode)
return true;
@@ -1625,7 +1625,7 @@
if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
in_group_p(F2FS_OPTION(sbi).s_resgid))
return true;
- if (capable(CAP_SYS_RESOURCE))
+ if (cap && capable(CAP_SYS_RESOURCE))
return true;
return false;
}
@@ -1660,7 +1660,7 @@
avail_user_block_count = sbi->user_block_count -
sbi->current_reserved_blocks;
- if (!__allow_reserved_blocks(sbi, inode))
+ if (!__allow_reserved_blocks(sbi, inode, true))
avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
@@ -1867,7 +1867,7 @@
valid_block_count = sbi->total_valid_block_count +
sbi->current_reserved_blocks + 1;
- if (!__allow_reserved_blocks(sbi, inode))
+ if (!__allow_reserved_blocks(sbi, inode, false))
valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
if (unlikely(valid_block_count > sbi->user_block_count)) {