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Hi everyone, I described the reflink operation at the Linux Storage & Filesystems Workshop last month. Originally implemented as an ocfs2-specific ioctl, the consensus was that it should be a syscall from the get-go. Here's some first-cut patches. For people who have not seen reflink, either at LSF or on the ocfs2 wiki, the first patch contains Documentation/filesystems/reflink.txt to

...y (old_dentry, &old_de); + old_bh = ext3_find_entry (old_dir, &old_dentry->d_name, &old_de); /* * Check for inode number is _not_ due to possible IO errors. * We might rmdir the source, keep it as pwd of some process @@ -2190,7 +2187,7 @@ goto end_rename; new_inode = new_dentry->d_inode; - new_bh = ext3_find_entry (new_dentry, &new_de); + new_bh = ext3_find_entry (new_dir, &new_dentry->d_name, &new_de); if (new_bh) { if (!new_inode) { brelse (new_bh); @@ -2253,7 +2250,7 @@ struct buffer_head *old_bh2; struct ext3_dir_entry_2 *old_de2;...

Can someone explain to me what is happening here: ~ $ touch foo ~ $ ln foo bar ~ $ ls foo bar bar foo ~ $ mv foo bar ~ $ ls foo bar bar foo I try to move a file over a hard linked copy of itself and the move fails, but there is no error. Is this the intended behavior? -- Ben Escoto

...inode *inode, struct inode *dir, - const struct qstr *qstr, const char **name, - void **value, size_t *len); int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode); int security_inode_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry); @@ -771,15 +768,6 @@ static inline int security_inode_init_security_anon(struct inode *inode, return 0; } -static inline int security_old_inode_init_security(struct inode *inode, - struct inode *dir, - const struct qstr *qstr, - const char **name, - void **val...

...inode *inode, struct inode *dir, - const struct qstr *qstr, const char **name, - void **value, size_t *len); int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode); int security_inode_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry); @@ -778,15 +775,6 @@ static inline int security_inode_init_security_anon(struct inode *inode, return 0; } -static inline int security_old_inode_init_security(struct inode *inode, - struct inode *dir, - const struct qstr *qstr, - const char **name, - void **val...

...+33,6 @@ extern int smb_proc_read_link(struct smb_sb_info *server, struct dentry *d, char *buffer, int len); extern int smb_proc_symlink(struct smb_sb_info *server, struct dentry *d, const char *oldpath); extern int smb_proc_link(struct smb_sb_info *server, struct dentry *dentry, struct dentry *new_dentry); -extern int smb_proc_query_cifsunix(struct smb_sb_info *server); extern void smb_install_null_ops(struct smb_ops *ops); /* dir.c */ extern struct file_operations smb_dir_operations; @@ -62,7 +60,6 @@ extern void smb_set_inode_attr(struct inode *inode, struct smb_fattr *fattr); extern void sm...

...TID)) { /* force full log commit if subvolume involved. */ - root->fs_info->last_trans_log_full_commit = trans->transid; + atomic64_set(&root->fs_info->last_trans_log_full_commit, + trans->transid); } else { ret = btrfs_insert_inode_ref(trans, dest, new_dentry->d_name.name, diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index e6c8eb2..f352531 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2227,14 +2227,14 @@ static int wait_log_commit(struct btrfs_trans_handle *trans, &wait, TASK_UNINTERRUPTIBLE); mutex_unlock(&...

Hi all, this series removes most users of the write_one_page API. These helpers internally call ->writepage which we are gradually removing from the kernel. Changes since v2: - more minix error handling fixes Changes since v1: - drop the btrfs changes (queue up in the btrfs tree) - drop the finaly move to jfs (can't be done without the btrfs patches) - fix the existing minix code to

...smb_invalid_dir_cache(dir); error = smb_proc_rmdir(dentry); out: @@ -482,6 +495,7 @@ */ smb_close(dentry->d_inode); + smb_invalid_dir_cache(dir); error = smb_proc_unlink(dentry); if (!error) { @@ -519,6 +533,8 @@ d_delete(new_dentry); } + smb_invalid_dir_cache(old_dir); + smb_invalid_dir_cache(new_dir); error = smb_proc_mv(old_dentry, new_dentry); if (!error) { Index: fs/smbfs/inode.c =================================================================== RCS file: /usr/src/cvsroot/linu...

...*old_dentry, old_dentry->d_name.name, old_dentry->d_name.len); } - BUG_ON(ret); + btrfs_fixable_bug_on(ret); if (new_inode) { new_inode->i_ctime = CURRENT_TIME; @@ -6535,17 +6535,17 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, new_dentry->d_name.name, new_dentry->d_name.len); } - BUG_ON(ret); + btrfs_fixable_bug_on(ret); if (new_inode->i_nlink == 0) { ret = btrfs_orphan_add(trans, new_dentry->d_inode); - BUG_ON(ret); + btrfs_fixable_bug_on(ret); } } ret = btrfs_add_link(trans, new_dir, o...

The following patches implement indexed directory support in Ocfs2, mostly according to the design doc I wrote up a while ago: http://oss.oracle.com/osswiki/OCFS2/DesignDocs/IndexedDirectories The patches have been rebased on top of 2.6.29-rc2. It should be trivial to put them into merge_window. Things are what I'd call complete now. I'd like to get these into the merge_window branch

Hi all, So I have finally finished the v1 of reflink for ocfs2. It has some bugs that I am still investigating, but the schema is almost there. So I'd like to send it out first for review. And Tristan and I will continue to work on the stability of the code. The general information for reflink, please see http://oss.oracle.com/osswiki/OCFS2/DesignDocs/Reflink. For the design doc, please

Hi all, Change from v1 to v2: bug fix and metadata/credits reservation improvement. The general information for reflink, please see http://oss.oracle.com/osswiki/OCFS2/DesignDocs/Reflink. For the design doc, please see http://oss.oracle.com/osswiki/OCFS2/DesignDocs/RefcountTrees http://oss.oracle.com/osswiki/OCFS2/DesignDocs/ReflinkOperation

Hi all, So I have finally finished the v3 of reflink for ocfs2. The biggest change is that we support 64bit cluster offset now(Thank Mark and Joel for it). [View] http://oss.oracle.com/git/?p=tma/linux-2.6.git;a=shortlog;h=refcount [Pull] git://oss.oracle.com/git/tma/linux-2.6.git refcount The general information for reflink, please see http://oss.oracle.com/osswiki/OCFS2/DesignDocs/Reflink.

Hi, The following patches comprise the bulk of Ocfs2 updates for the 2.6.30 merge window. Aside from larger, more involved fixes, we're adding the following features, which I will describe in the order their patches are mailed. Sunil's exported some more state to our debugfs files, and consolidated some other aspects of our debugfs infrastructure. This will further aid us in debugging

From: Roberto Sassu <roberto.sassu at huawei.com> One of the major goals of LSM stacking is to run multiple LSMs side by side without interfering with each other. The ultimate decision will depend on individual LSM decision. Several changes need to be made to the LSM infrastructure to be able to support that. This patch set tackles one of them: gives to each LSM the ability to specify one

From: Roberto Sassu <roberto.sassu at huawei.com> One of the major goals of LSM stacking is to run multiple LSMs side by side without interfering with each other. The ultimate decision will depend on individual LSM decision. Several changes need to be made to the LSM infrastructure to be able to support that. This patch set tackles one of them: gives to each LSM the ability to specify one

The following series of patches comprises the bulk of our outstanding changes for Ocfs2. Aside from the usual set of cleanups and fixes that were inappropriate for 2.6.25, there are a few highlights: The '/sys/o2cb' directory has been moved to '/sys/fs/o2cb'. The new location meshes better with modern sysfs layout. A symbolic link has been placed in the old location so as to