Add a new parameter 'struct file *' to ocfs2_refcount_cow so that we can add readahead support later.
Signed-off-by: Tao Ma <[email protected]> --- fs/ocfs2/aops.c | 2 +- fs/ocfs2/file.c | 4 ++-- fs/ocfs2/refcounttree.c | 4 +++- fs/ocfs2/refcounttree.h | 3 ++- 4 files changed, 8 insertions(+), 5 deletions(-) diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 13a41ef..968ae3d 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1691,7 +1691,7 @@ int ocfs2_write_begin_nolock(struct file *filp, mlog_errno(ret); goto out; } else if (ret == 1) { - ret = ocfs2_refcount_cow(inode, di_bh, + ret = ocfs2_refcount_cow(inode, filp, di_bh, wc->w_cpos, wc->w_clen, UINT_MAX); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index d61137e..ab1d0ce 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -361,7 +361,7 @@ static int ocfs2_cow_file_pos(struct inode *inode, if (!(ext_flags & OCFS2_EXT_REFCOUNTED)) goto out; - return ocfs2_refcount_cow(inode, fe_bh, cpos, 1, cpos+1); + return ocfs2_refcount_cow(inode, NULL, fe_bh, cpos, 1, cpos+1); out: return status; @@ -1882,7 +1882,7 @@ static int ocfs2_prepare_inode_for_refcount(struct inode *inode, *meta_level = 1; - ret = ocfs2_refcount_cow(inode, di_bh, cpos, clusters, UINT_MAX); + ret = ocfs2_refcount_cow(inode, file, di_bh, cpos, clusters, UINT_MAX); if (ret) mlog_errno(ret); out: diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 4793f36..7636174 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -3398,6 +3398,7 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context) * unrefcounted extent. */ static int ocfs2_refcount_cow_hunk(struct inode *inode, + struct file *file, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos) { @@ -3475,6 +3476,7 @@ out: * clusters between cpos and cpos+write_len are safe to modify. */ int ocfs2_refcount_cow(struct inode *inode, + struct file *file, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos) { @@ -3494,7 +3496,7 @@ int ocfs2_refcount_cow(struct inode *inode, num_clusters = write_len; if (ext_flags & OCFS2_EXT_REFCOUNTED) { - ret = ocfs2_refcount_cow_hunk(inode, di_bh, cpos, + ret = ocfs2_refcount_cow_hunk(inode, file, di_bh, cpos, num_clusters, max_cpos); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 9983ba1..29cba0e 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -52,7 +52,8 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode, u32 clusters, int *credits, int *ref_blocks); -int ocfs2_refcount_cow(struct inode *inode, struct buffer_head *di_bh, +int ocfs2_refcount_cow(struct inode *inode, + struct file *filep, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos); typedef int (ocfs2_post_refcount_func)(struct inode *inode, -- 1.7.1.GIT _______________________________________________ Ocfs2-devel mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-devel
