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Searched refs:niobuf_headers (Results 1 – 3 of 3) sorted by relevance

/xnu-11417.140.69/bsd/dev/
H A Dunix_startup.c79 int niobuf_headers = (NBUF / 2) + 2048; variable
84 int niobuf_headers = 0; variable
123 if (niobuf_headers == 0) { in bsd_get_bufferhdr_map_size()
125 niobuf_headers = max_nbuf_headers; in bsd_get_bufferhdr_map_size()
127 niobuf_headers = (max_nbuf_headers / 2) + 2048; in bsd_get_bufferhdr_map_size()
130 if (niobuf_headers < CONFIG_MIN_NIOBUF) { in bsd_get_bufferhdr_map_size()
131 niobuf_headers = CONFIG_MIN_NIOBUF; in bsd_get_bufferhdr_map_size()
134 size = (max_nbuf_headers + niobuf_headers) * sizeof(struct buf); in bsd_get_bufferhdr_map_size()
/xnu-11417.140.69/bsd/sys/
H A Dbuf_internal.h291 extern int niobuf_headers; /* The number of IO buffer headers for cluster IO */
/xnu-11417.140.69/bsd/vfs/
H A Dvfs_bio.c2214 for (; i < nbuf_headers + niobuf_headers; i++) { in bufinit()
2227 nbuf_headers, niobuf_headers); in bufinit()
4445 #define VIRTUALDEV_MAX_IOBUFS ((40*niobuf_headers)/100)
4479 while ((((uint32_t)(niobuf_headers - NRESERVEDIOBUFS) < bufstats.bufs_iobufinuse) && !priv) || in alloc_io_buf()