Update fiemap document to add FIEMAP_FLAG_COW support. Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx> Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Andreas Dilger <adilger@xxxxxxxxx> Cc: Dave Chinner <david@xxxxxxxxxxxxx> Cc: Mark Fasheh <mfasheh@xxxxxxxx> Cc: Joel Becker <jlbec@xxxxxxxxxxxx> Cc: Jan Kara <jack@xxxxxxx> Cc: Chris Mason <chris.mason@xxxxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx> --- Documentation/filesystems/fiemap.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/filesystems/fiemap.txt b/Documentation/filesystems/fiemap.txt index 1b805a0..8942d3f 100644 --- a/Documentation/filesystems/fiemap.txt +++ b/Documentation/filesystems/fiemap.txt @@ -58,6 +58,9 @@ If this flag is set, the kernel will sync the file before mapping extents. If this flag is set, the extents returned will describe the inodes extended attribute lookup tree, instead of its data tree. +* FIEMAP_FLAG_COW +If this flag is set, the kernel will only return the extents which are in +copy-on-write state. Extent Mapping -------------- -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html