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ocfs2: reserve inline space for extended attribute

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Add the structures and helper functions we want for handling inline extended
attributes. We also update the inline-data handlers so that they properly
function in the event that we have both inline data and inline attributes
sharing an inode block.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Tiger Yang
2008-08-18 17:08:55 +08:00
committed by Mark Fasheh
parent f56654c435
commit fdd77704a8
4 changed files with 62 additions and 9 deletions
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22
fs/ocfs2/alloc.c
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@@ -6577,20 +6577,29 @@ out:
return ret;
}
static void ocfs2_zero_dinode_id2(struct inode *inode, struct ocfs2_dinode *di)
static void ocfs2_zero_dinode_id2_with_xattr(struct inode *inode,
struct ocfs2_dinode *di)
{
unsigned int blocksize = 1 << inode->i_sb->s_blocksize_bits;
unsigned int xattrsize = le16_to_cpu(di->i_xattr_inline_size);
memset(&di->id2, 0, blocksize - offsetof(struct ocfs2_dinode, id2));
if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_XATTR_FL)
memset(&di->id2, 0, blocksize -
offsetof(struct ocfs2_dinode, id2) -
xattrsize);
else
memset(&di->id2, 0, blocksize -
offsetof(struct ocfs2_dinode, id2));
}
void ocfs2_dinode_new_extent_list(struct inode *inode,
struct ocfs2_dinode *di)
{
ocfs2_zero_dinode_id2(inode, di);
ocfs2_zero_dinode_id2_with_xattr(inode, di);
di->id2.i_list.l_tree_depth = 0;
di->id2.i_list.l_next_free_rec = 0;
di->id2.i_list.l_count = cpu_to_le16(ocfs2_extent_recs_per_inode(inode->i_sb));
di->id2.i_list.l_count = cpu_to_le16(
ocfs2_extent_recs_per_inode_with_xattr(inode->i_sb, di));
}
void ocfs2_set_inode_data_inline(struct inode *inode, struct ocfs2_dinode *di)
@@ -6607,9 +6616,10 @@ void ocfs2_set_inode_data_inline(struct inode *inode, struct ocfs2_dinode *di)
* We clear the entire i_data structure here so that all
* fields can be properly initialized.
*/
ocfs2_zero_dinode_id2(inode, di);
ocfs2_zero_dinode_id2_with_xattr(inode, di);
idata->id_count = cpu_to_le16(ocfs2_max_inline_data(inode->i_sb));
idata->id_count = cpu_to_le16(
ocfs2_max_inline_data_with_xattr(inode->i_sb, di));
}
int ocfs2_convert_inline_data_to_extents(struct inode *inode,