fs: Add support FALLOC_FL_INSERT_RANGE for fallocate
FALLOC_FL_INSERT_RANGE command is the opposite command of FALLOC_FL_COLLAPSE_RANGE that is needed for someone who wants to add some data in the middle of file. FALLOC_FL_INSERT_RANGE will create space for writing new data within a file after shifting extents to right as given length. This command also has same limitations as FALLOC_FL_COLLAPSE_RANGE in that operations need to be filesystem block boundary aligned and cannot cross the current EOF. Signed-off-by:Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by:
Ashish Sangwan <a.sangwan@samsung.com> Reviewed-by:
Dave Chinner <dchinner@redhat.com> Signed-off-by:
Dave Chinner <david@fromorbit.com>
parent
444a7022
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