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Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: ocfs2: Trivial cleanup of jbd compatibility layer removal ocfs2: Refresh documentation ocfs2: return f_fsid info in ocfs2_statfs() ocfs2: duplicate inline data properly during reflink. ocfs2: Move ocfs2_complete_reflink to the right place. ocfs2: Return -EINVAL when a device is not ocfs2.
This commit is contained in:
Linus Torvalds
commit
931ed94430
6 changed files with 83 additions and 27 deletions
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@ -20,15 +20,16 @@ Lots of code taken from ext3 and other projects.
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Authors in alphabetical order:
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Joel Becker <joel.becker@oracle.com>
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Zach Brown <zach.brown@oracle.com>
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Mark Fasheh <mark.fasheh@oracle.com>
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Mark Fasheh <mfasheh@suse.com>
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Kurt Hackel <kurt.hackel@oracle.com>
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Tao Ma <tao.ma@oracle.com>
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Sunil Mushran <sunil.mushran@oracle.com>
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Manish Singh <manish.singh@oracle.com>
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Tiger Yang <tiger.yang@oracle.com>
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Caveats
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=======
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Features which OCFS2 does not support yet:
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- quotas
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- Directory change notification (F_NOTIFY)
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- Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease)
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@ -70,7 +71,6 @@ commit=nrsec (*) Ocfs2 can be told to sync all its data and metadata
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performance.
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localalloc=8(*) Allows custom localalloc size in MB. If the value is too
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large, the fs will silently revert it to the default.
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Localalloc is not enabled for local mounts.
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localflocks This disables cluster aware flock.
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inode64 Indicates that Ocfs2 is allowed to create inodes at
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any location in the filesystem, including those which
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@ -1712,7 +1712,8 @@ int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
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struct super_block *sb = inode->i_sb;
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if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb)) ||
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!(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL))
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!(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL) ||
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OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
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return 0;
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cpos = pos >> OCFS2_SB(sb)->s_clustersize_bits;
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@ -35,12 +35,7 @@
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#include <linux/kref.h>
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#include <linux/mutex.h>
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#include <linux/lockdep.h>
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#ifndef CONFIG_OCFS2_COMPAT_JBD
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# include <linux/jbd2.h>
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#else
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# include <linux/jbd.h>
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# include "ocfs2_jbd_compat.h"
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#endif
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#include <linux/jbd2.h>
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/* For union ocfs2_dlm_lksb */
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#include "stackglue.h"
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@ -3743,6 +3743,9 @@ static int ocfs2_attach_refcount_tree(struct inode *inode,
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goto out;
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}
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if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL)
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goto attach_xattr;
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ocfs2_init_dinode_extent_tree(&di_et, INODE_CACHE(inode), di_bh);
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size = i_size_read(inode);
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@ -3769,6 +3772,7 @@ static int ocfs2_attach_refcount_tree(struct inode *inode,
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cpos += num_clusters;
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}
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attach_xattr:
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if (oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) {
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ret = ocfs2_xattr_attach_refcount_tree(inode, di_bh,
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&ref_tree->rf_ci,
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@ -3858,6 +3862,49 @@ out:
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return ret;
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}
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static int ocfs2_duplicate_inline_data(struct inode *s_inode,
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struct buffer_head *s_bh,
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struct inode *t_inode,
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struct buffer_head *t_bh)
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{
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int ret;
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handle_t *handle;
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struct ocfs2_super *osb = OCFS2_SB(s_inode->i_sb);
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struct ocfs2_dinode *s_di = (struct ocfs2_dinode *)s_bh->b_data;
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struct ocfs2_dinode *t_di = (struct ocfs2_dinode *)t_bh->b_data;
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BUG_ON(!(OCFS2_I(s_inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL));
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handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
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if (IS_ERR(handle)) {
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ret = PTR_ERR(handle);
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mlog_errno(ret);
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goto out;
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}
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ret = ocfs2_journal_access_di(handle, INODE_CACHE(t_inode), t_bh,
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OCFS2_JOURNAL_ACCESS_WRITE);
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if (ret) {
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mlog_errno(ret);
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goto out_commit;
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}
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t_di->id2.i_data.id_count = s_di->id2.i_data.id_count;
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memcpy(t_di->id2.i_data.id_data, s_di->id2.i_data.id_data,
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le16_to_cpu(s_di->id2.i_data.id_count));
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spin_lock(&OCFS2_I(t_inode)->ip_lock);
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OCFS2_I(t_inode)->ip_dyn_features |= OCFS2_INLINE_DATA_FL;
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t_di->i_dyn_features = cpu_to_le16(OCFS2_I(t_inode)->ip_dyn_features);
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spin_unlock(&OCFS2_I(t_inode)->ip_lock);
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ocfs2_journal_dirty(handle, t_bh);
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out_commit:
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ocfs2_commit_trans(osb, handle);
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out:
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return ret;
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}
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static int ocfs2_duplicate_extent_list(struct inode *s_inode,
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struct inode *t_inode,
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struct buffer_head *t_bh,
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@ -3997,6 +4044,14 @@ static int ocfs2_create_reflink_node(struct inode *s_inode,
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goto out;
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}
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if (OCFS2_I(s_inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
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ret = ocfs2_duplicate_inline_data(s_inode, s_bh,
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t_inode, t_bh);
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if (ret)
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mlog_errno(ret);
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goto out;
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}
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ret = ocfs2_lock_refcount_tree(osb, le64_to_cpu(di->i_refcount_loc),
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1, &ref_tree, &ref_root_bh);
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if (ret) {
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@ -4013,10 +4068,6 @@ static int ocfs2_create_reflink_node(struct inode *s_inode,
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goto out_unlock_refcount;
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}
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ret = ocfs2_complete_reflink(s_inode, s_bh, t_inode, t_bh, preserve);
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if (ret)
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mlog_errno(ret);
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out_unlock_refcount:
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ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
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brelse(ref_root_bh);
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@ -4068,9 +4119,17 @@ static int __ocfs2_reflink(struct dentry *old_dentry,
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ret = ocfs2_reflink_xattrs(inode, old_bh,
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new_inode, new_bh,
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preserve);
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if (ret)
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if (ret) {
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mlog_errno(ret);
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goto inode_unlock;
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}
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}
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ret = ocfs2_complete_reflink(inode, old_bh,
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new_inode, new_bh, preserve);
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if (ret)
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mlog_errno(ret);
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inode_unlock:
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ocfs2_inode_unlock(new_inode, 1);
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brelse(new_bh);
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@ -773,18 +773,20 @@ static int ocfs2_sb_probe(struct super_block *sb,
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if (tmpstat < 0) {
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status = tmpstat;
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mlog_errno(status);
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goto bail;
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break;
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}
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di = (struct ocfs2_dinode *) (*bh)->b_data;
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memset(stats, 0, sizeof(struct ocfs2_blockcheck_stats));
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spin_lock_init(&stats->b_lock);
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status = ocfs2_verify_volume(di, *bh, blksize, stats);
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if (status >= 0)
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goto bail;
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brelse(*bh);
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*bh = NULL;
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if (status != -EAGAIN)
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tmpstat = ocfs2_verify_volume(di, *bh, blksize, stats);
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if (tmpstat < 0) {
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brelse(*bh);
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*bh = NULL;
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}
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if (tmpstat != -EAGAIN) {
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status = tmpstat;
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break;
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}
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}
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bail:
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@ -1645,6 +1647,10 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
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buf->f_bavail = buf->f_bfree;
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buf->f_files = numbits;
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buf->f_ffree = freebits;
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buf->f_fsid.val[0] = crc32_le(0, osb->uuid_str, OCFS2_VOL_UUID_LEN)
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& 0xFFFFFFFFUL;
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buf->f_fsid.val[1] = crc32_le(0, osb->uuid_str + OCFS2_VOL_UUID_LEN,
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OCFS2_VOL_UUID_LEN) & 0xFFFFFFFFUL;
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brelse(bh);
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@ -53,11 +53,6 @@
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#include <linux/highmem.h>
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#include <linux/buffer_head.h>
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#include <linux/rbtree.h>
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#ifndef CONFIG_OCFS2_COMPAT_JBD
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# include <linux/jbd2.h>
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#else
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# include <linux/jbd.h>
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#endif
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#define MLOG_MASK_PREFIX ML_UPTODATE
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