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

/xnu-10063.141.1/bsd/dev/
H A Dunix_startup.c79 int niobuf_headers = (NBUF / 2) + 2048; variable
84 int niobuf_headers = 0; variable
126 if (niobuf_headers == 0) { in bsd_get_bufferhdr_map_size()
128 niobuf_headers = max_nbuf_headers; in bsd_get_bufferhdr_map_size()
130 niobuf_headers = (max_nbuf_headers / 2) + 2048; in bsd_get_bufferhdr_map_size()
133 if (niobuf_headers < CONFIG_MIN_NIOBUF) { in bsd_get_bufferhdr_map_size()
134 niobuf_headers = CONFIG_MIN_NIOBUF; in bsd_get_bufferhdr_map_size()
137 size = (max_nbuf_headers + niobuf_headers) * sizeof(struct buf); in bsd_get_bufferhdr_map_size()
/xnu-10063.141.1/bsd/sys/
H A Dbuf_internal.h289 extern int niobuf_headers; /* The number of IO buffer headers for cluster IO */
/xnu-10063.141.1/bsd/vfs/
H A Dvfs_bio.c2208 for (; i < nbuf_headers + niobuf_headers; i++) { in bufinit()
2221 nbuf_headers, niobuf_headers); in bufinit()
4437 #define VIRTUALDEV_MAX_IOBUFS ((40*niobuf_headers)/100)
4471 while ((((uint32_t)(niobuf_headers - NRESERVEDIOBUFS) < bufstats.bufs_iobufinuse) && !priv) || in alloc_io_buf()