plucky (3) pmemblk_set_zero.3.gz

NAME

       pmemblk_set_zero()(DEPRECATED), pmemblk_set_error()(DEPRECATED) - block management functions

SYNOPSIS

              #include <libpmemblk.h>

              int pmemblk_set_zero(PMEMblkpool *pbp, long long blockno);
              int pmemblk_set_error(PMEMblkpool *pbp, long long blockno);

DESCRIPTION

       The  pmemblk_set_zero() function writes zeros to block number blockno in persistent memory resident array
       of blocks pbp.  Using this function is faster than actually writing a block of zeros since  libpmemblk(7)
       uses metadata to indicate the block should read back as zero.

       The  pmemblk_set_error()  function  sets  the  error  state for block number blockno in persistent memory
       resident array of blocks pbp.  A block in the error state returns errno EIO when read.  Writing the block
       clears the error state and returns the block to normal use.

RETURN VALUE

       On  success, pmemblk_set_zero() and pmemblk_set_error() return 0.  On error, they return -1 and set errno
       appropriately.

SEE ALSO

       libpmemblk(7) and <https://pmem.io>