mirrors/scoutfs
1
0
Fork 0
mirror of https://github.com/versity/scoutfs.git synced 2026-09-20 23:14:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add support for i_version

Browse Source 
This adds i_version to our inode and maintains it as we allocate, load,
modify, and store inodes.  We set the flag in the superblock so
in-kernel users can use i_version to see changes in our inodes.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2021-09-13 14:41:07 -07:00
parent d5eec7d001
commit ea2b01434e
6 changed files with 29 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kmod/src/dir.c
+16
View File
@@ -836,6 +836,8 @@ static int scoutfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
inode->i_mtime = inode->i_atime = inode->i_ctime = dir->i_mtime;
si->crtime = inode->i_mtime;
inode_inc_iversion(dir);
inode_inc_iversion(inode);
if (S_ISDIR(mode)) {
inc_nlink(inode);
@@ -961,6 +963,8 @@ retry:
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
inode->i_ctime = dir->i_mtime;
inc_nlink(inode);
inode_inc_iversion(dir);
inode_inc_iversion(inode);
scoutfs_update_inode_item(inode, inode_lock, &ind_locks);
scoutfs_update_inode_item(dir, dir_lock, &ind_locks);
@@ -1058,6 +1062,8 @@ retry:
dir->i_ctime = ts;
dir->i_mtime = ts;
i_size_write(dir, i_size_read(dir) - dentry->d_name.len);
inode_inc_iversion(dir);
inode_inc_iversion(inode);
inode->i_ctime = ts;
drop_nlink(inode);
@@ -1295,10 +1301,12 @@ static int scoutfs_symlink(struct inode *dir, struct dentry *dentry,
i_size_write(dir, i_size_read(dir) + dentry->d_name.len);
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
inode_inc_iversion(dir);
inode->i_ctime = dir->i_mtime;
si->crtime = inode->i_ctime;
i_size_write(inode, name_len);
inode_inc_iversion(inode);
scoutfs_update_inode_item(inode, inode_lock, &ind_locks);
scoutfs_update_inode_item(dir, dir_lock, &ind_locks);
@@ -1779,6 +1787,13 @@ retry:
if (new_inode)
old_inode->i_ctime = now;
inode_inc_iversion(old_dir);
inode_inc_iversion(old_inode);
if (new_dir != old_dir)
inode_inc_iversion(new_dir);
if (new_inode)
inode_inc_iversion(new_inode);
scoutfs_update_inode_item(old_dir, old_dir_lock, &ind_locks);
scoutfs_update_inode_item(old_inode, old_inode_lock, &ind_locks);
if (new_dir != old_dir)
@@ -1888,6 +1903,7 @@ static int scoutfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mod
insert_inode_hash(inode);
ihold(inode); /* need to update inode modifications in d_tmpfile */
d_tmpfile(dentry, inode);
inode_inc_iversion(inode);
scoutfs_update_inode_item(inode, inode_lock, &ind_locks);
scoutfs_update_inode_item(dir, dir_lock, &ind_locks);