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authorChao Yu <yuchao0@huawei.com>2017-07-25 19:01:41 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2017-08-01 02:48:32 +0300
commit5c57132eaf5265937e46340bfbfb97ffb078c423 (patch)
tree66d113156b37e09e6b82e2eece25638eab86f269 /fs/f2fs/namei.c
parenta6d3a479ae082173c6102eba0e502cc439dacf21 (diff)
downloadlinux-5c57132eaf5265937e46340bfbfb97ffb078c423.tar.xz
f2fs: support project quota
This patch adds to support plain project quota. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 98e13f123d87..e241c1b2c636 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -58,6 +58,13 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
goto fail;
}
+ if (f2fs_sb_has_project_quota(sbi->sb) &&
+ (F2FS_I(dir)->i_flags & FS_PROJINHERIT_FL))
+ F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid;
+ else
+ F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns,
+ F2FS_DEF_PROJID);
+
err = dquot_initialize(inode);
if (err)
goto fail_drop;
@@ -90,6 +97,12 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
stat_inc_inline_inode(inode);
stat_inc_inline_dir(inode);
+ F2FS_I(inode)->i_flags =
+ f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
+
+ if (F2FS_I(inode)->i_flags & FS_PROJINHERIT_FL)
+ set_inode_flag(inode, FI_PROJ_INHERIT);
+
trace_f2fs_new_inode(inode, 0);
return inode;
@@ -209,6 +222,11 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
!fscrypt_has_permitted_context(dir, inode))
return -EPERM;
+ if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
+ (!projid_eq(F2FS_I(dir)->i_projid,
+ F2FS_I(old_dentry->d_inode)->i_projid)))
+ return -EXDEV;
+
err = dquot_initialize(dir);
if (err)
return err;
@@ -733,6 +751,11 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
}
+ if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+ (!projid_eq(F2FS_I(new_dir)->i_projid,
+ F2FS_I(old_dentry->d_inode)->i_projid)))
+ return -EXDEV;
+
err = dquot_initialize(old_dir);
if (err)
goto out;
@@ -921,6 +944,14 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
!fscrypt_has_permitted_context(old_dir, new_inode)))
return -EPERM;
+ if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+ !projid_eq(F2FS_I(new_dir)->i_projid,
+ F2FS_I(old_dentry->d_inode)->i_projid)) ||
+ (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+ !projid_eq(F2FS_I(old_dir)->i_projid,
+ F2FS_I(new_dentry->d_inode)->i_projid)))
+ return -EXDEV;
+
err = dquot_initialize(old_dir);
if (err)
goto out;