Searched refs:IO_HEADZEROFILL (Results 1 - 5 of 5) sorted by relevance

/xnu-2422.115.4/bsd/vfs/
H A Dvfs_cluster.c1989 if ( (flags & (IO_TAILZEROFILL | IO_HEADZEROFILL)) && write_type == IO_DIRECT)
2012 * first call should have IO_HEADZEROFILL
2015 flags &= ~IO_HEADZEROFILL;
2030 zflags = flags & ~(IO_TAILZEROFILL | IO_HEADZEROFILL);
2032 if (flags & IO_HEADZEROFILL) {
2036 flags &= ~IO_HEADZEROFILL;
2039 headOff, (off_t)0, zflags | IO_HEADZEROFILL | IO_SYNC, callback, callback_arg);
2049 * treat this as an IO_HEADZEROFILL which doesn't require a uio
2050 * by rearranging the args and passing in IO_HEADZEROFILL
2053 (off_t)0, zflags | IO_HEADZEROFILL | IO_SYN
[all...]
/xnu-2422.115.4/bsd/sys/
H A Dvnode.h138 #define IO_HEADZEROFILL 0x0080 /* zero fills at the head of write */ macro
/xnu-2422.115.4/bsd/hfs/
H A Dhfs_readwrite.c555 lflag = ioflag & ~(IO_TAILZEROFILL | IO_HEADZEROFILL | IO_NOZEROVALID | IO_NOZERODIRTY);
566 lflag |= IO_HEADZEROFILL;
621 lflag | IO_HEADZEROFILL | IO_NOZERODIRTY);
635 if (offset > zero_off) lflag |= IO_HEADZEROFILL;
659 io_start = (lflag & IO_HEADZEROFILL) ? zero_off : offset;
3437 (flags & IO_SYNC) | IO_HEADZEROFILL | IO_NOZERODIRTY);
H A Dhfs_cnode.c753 int cluster_zero_flags = IO_HEADZEROFILL | IO_NOZERODIRTY | IO_NOCACHE;
H A Dhfs_vnops.c2705 IO_HEADZEROFILL | IO_NOZERODIRTY | IO_NOCACHE);

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