Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 (931ed944) · Commits · 戴 / test

Documentation/filesystems/ocfs2.txt

+3 −3

Original line number	Diff line number	Diff line
		@@ -20,15 +20,16 @@ Lots of code taken from ext3 and other projects.
		Authors in alphabetical order:
		Joel Becker <joel.becker@oracle.com>
		Zach Brown <zach.brown@oracle.com>
		Mark Fasheh <mark.fasheh@oracle.com>
		Mark Fasheh <mfasheh@suse.com>
		Kurt Hackel <kurt.hackel@oracle.com>
		Tao Ma <tao.ma@oracle.com>
		Sunil Mushran <sunil.mushran@oracle.com>
		Manish Singh <manish.singh@oracle.com>
		Tiger Yang <tiger.yang@oracle.com>

		Caveats
		=======
		Features which OCFS2 does not support yet:
		- quotas
		- Directory change notification (F_NOTIFY)
		- Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease)

		@@ -70,7 +71,6 @@ commit=nrsec (*) Ocfs2 can be told to sync all its data and metadata
		performance.
		localalloc=8(*) Allows custom localalloc size in MB. If the value is too
		large, the fs will silently revert it to the default.
		Localalloc is not enabled for local mounts.
		localflocks This disables cluster aware flock.
		inode64 Indicates that Ocfs2 is allowed to create inodes at
		any location in the filesystem, including those which

fs/ocfs2/file.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1712,7 +1712,8 @@ int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
		struct super_block *sb = inode->i_sb;

		if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb)) \|\|
		!(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL))
		!(OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL) \|\|
		OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
		return 0;

		cpos = pos >> OCFS2_SB(sb)->s_clustersize_bits;

fs/ocfs2/ocfs2.h

+1 −6

Original line number	Diff line number	Diff line
		@@ -35,12 +35,7 @@
		#include <linux/kref.h>
		#include <linux/mutex.h>
		#include <linux/lockdep.h>
		#ifndef CONFIG_OCFS2_COMPAT_JBD
		#include <linux/jbd2.h>
		#else
		# include <linux/jbd.h>
		# include "ocfs2_jbd_compat.h"
		#endif

		/* For union ocfs2_dlm_lksb */
		#include "stackglue.h"

fs/ocfs2/refcounttree.c

+64 −5

Original line number	Diff line number	Diff line
		@@ -3743,6 +3743,9 @@ static int ocfs2_attach_refcount_tree(struct inode *inode,
		goto out;
		}

		if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL)
		goto attach_xattr;

		ocfs2_init_dinode_extent_tree(&di_et, INODE_CACHE(inode), di_bh);

		size = i_size_read(inode);
		@@ -3769,6 +3772,7 @@ static int ocfs2_attach_refcount_tree(struct inode *inode,
		cpos += num_clusters;
		}

		attach_xattr:
		if (oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) {
		ret = ocfs2_xattr_attach_refcount_tree(inode, di_bh,
		&ref_tree->rf_ci,
		@@ -3858,6 +3862,49 @@ out:
		return ret;
		}

		static int ocfs2_duplicate_inline_data(struct inode *s_inode,
		struct buffer_head *s_bh,
		struct inode *t_inode,
		struct buffer_head *t_bh)
		{
		int ret;
		handle_t *handle;
		struct ocfs2_super *osb = OCFS2_SB(s_inode->i_sb);
		struct ocfs2_dinode s_di = (struct ocfs2_dinode )s_bh->b_data;
		struct ocfs2_dinode t_di = (struct ocfs2_dinode )t_bh->b_data;

		BUG_ON(!(OCFS2_I(s_inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL));

		handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
		if (IS_ERR(handle)) {
		ret = PTR_ERR(handle);
		mlog_errno(ret);
		goto out;
		}

		ret = ocfs2_journal_access_di(handle, INODE_CACHE(t_inode), t_bh,
		OCFS2_JOURNAL_ACCESS_WRITE);
		if (ret) {
		mlog_errno(ret);
		goto out_commit;
		}

		t_di->id2.i_data.id_count = s_di->id2.i_data.id_count;
		memcpy(t_di->id2.i_data.id_data, s_di->id2.i_data.id_data,
		le16_to_cpu(s_di->id2.i_data.id_count));
		spin_lock(&OCFS2_I(t_inode)->ip_lock);
		OCFS2_I(t_inode)->ip_dyn_features \|= OCFS2_INLINE_DATA_FL;
		t_di->i_dyn_features = cpu_to_le16(OCFS2_I(t_inode)->ip_dyn_features);
		spin_unlock(&OCFS2_I(t_inode)->ip_lock);

		ocfs2_journal_dirty(handle, t_bh);

		out_commit:
		ocfs2_commit_trans(osb, handle);
		out:
		return ret;
		}

		static int ocfs2_duplicate_extent_list(struct inode *s_inode,
		struct inode *t_inode,
		struct buffer_head *t_bh,
		@@ -3997,6 +4044,14 @@ static int ocfs2_create_reflink_node(struct inode *s_inode,
		goto out;
		}

		if (OCFS2_I(s_inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
		ret = ocfs2_duplicate_inline_data(s_inode, s_bh,
		t_inode, t_bh);
		if (ret)
		mlog_errno(ret);
		goto out;
		}

		ret = ocfs2_lock_refcount_tree(osb, le64_to_cpu(di->i_refcount_loc),
		1, &ref_tree, &ref_root_bh);
		if (ret) {
		@@ -4013,10 +4068,6 @@ static int ocfs2_create_reflink_node(struct inode *s_inode,
		goto out_unlock_refcount;
		}

		ret = ocfs2_complete_reflink(s_inode, s_bh, t_inode, t_bh, preserve);
		if (ret)
		mlog_errno(ret);

		out_unlock_refcount:
		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
		brelse(ref_root_bh);
		@@ -4068,9 +4119,17 @@ static int __ocfs2_reflink(struct dentry *old_dentry,
		ret = ocfs2_reflink_xattrs(inode, old_bh,
		new_inode, new_bh,
		preserve);
		if (ret)
		if (ret) {
		mlog_errno(ret);
		goto inode_unlock;
		}
		}

		ret = ocfs2_complete_reflink(inode, old_bh,
		new_inode, new_bh, preserve);
		if (ret)
		mlog_errno(ret);

		inode_unlock:
		ocfs2_inode_unlock(new_inode, 1);
		brelse(new_bh);

fs/ocfs2/super.c

+13 −7

Original line number	Diff line number	Diff line
		@@ -773,19 +773,21 @@ static int ocfs2_sb_probe(struct super_block *sb,
		if (tmpstat < 0) {
		status = tmpstat;
		mlog_errno(status);
		goto bail;
		break;
		}
		di = (struct ocfs2_dinode ) (bh)->b_data;
		memset(stats, 0, sizeof(struct ocfs2_blockcheck_stats));
		spin_lock_init(&stats->b_lock);
		status = ocfs2_verify_volume(di, *bh, blksize, stats);
		if (status >= 0)
		goto bail;
		tmpstat = ocfs2_verify_volume(di, *bh, blksize, stats);
		if (tmpstat < 0) {
		brelse(*bh);
		*bh = NULL;
		if (status != -EAGAIN)
		}
		if (tmpstat != -EAGAIN) {
		status = tmpstat;
		break;
		}
		}

		bail:
		return status;
		@@ -1645,6 +1647,10 @@ static int ocfs2_statfs(struct dentry dentry, struct kstatfs buf)
		buf->f_bavail = buf->f_bfree;
		buf->f_files = numbits;
		buf->f_ffree = freebits;
		buf->f_fsid.val[0] = crc32_le(0, osb->uuid_str, OCFS2_VOL_UUID_LEN)
		& 0xFFFFFFFFUL;
		buf->f_fsid.val[1] = crc32_le(0, osb->uuid_str + OCFS2_VOL_UUID_LEN,
		OCFS2_VOL_UUID_LEN) & 0xFFFFFFFFUL;

		brelse(bh);

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