fs/zfs/arc.c

1108 	arc_flags_t		b_flags;
1261 #define	HDR_IN_HASH_TABLE(hdr)	((hdr)->b_flags & ARC_FLAG_IN_HASH_TABLE)
1262 #define	HDR_IO_IN_PROGRESS(hdr)	((hdr)->b_flags & ARC_FLAG_IO_IN_PROGRESS)
1263 #define	HDR_IO_ERROR(hdr)	((hdr)->b_flags & ARC_FLAG_IO_ERROR)
1264 #define	HDR_PREFETCH(hdr)	((hdr)->b_flags & ARC_FLAG_PREFETCH)
1266 	((hdr)->b_flags & ARC_FLAG_PRESCIENT_PREFETCH)
1268 	((hdr)->b_flags & ARC_FLAG_COMPRESSED_ARC)
1270 #define	HDR_L2CACHE(hdr)	((hdr)->b_flags & ARC_FLAG_L2CACHE)
1272 	(((hdr)->b_flags & ARC_FLAG_IO_IN_PROGRESS) &&	\
1273 	((hdr)->b_flags & ARC_FLAG_HAS_L2HDR))
1274 #define	HDR_L2_WRITING(hdr)	((hdr)->b_flags & ARC_FLAG_L2_WRITING)
1275 #define	HDR_L2_EVICTED(hdr)	((hdr)->b_flags & ARC_FLAG_L2_EVICTED)
1276 #define	HDR_L2_WRITE_HEAD(hdr)	((hdr)->b_flags & ARC_FLAG_L2_WRITE_HEAD)
1277 #define	HDR_SHARED_DATA(hdr)	((hdr)->b_flags & ARC_FLAG_SHARED_DATA)
1280 	((hdr)->b_flags & ARC_FLAG_BUFC_METADATA)
1283 #define	HDR_HAS_L1HDR(hdr)	((hdr)->b_flags & ARC_FLAG_HAS_L1HDR)
1284 #define	HDR_HAS_L2HDR(hdr)	((hdr)->b_flags & ARC_FLAG_HAS_L2HDR)
1286 /* For storing compression mode in b_flags */
1289 #define	HDR_GET_COMPRESS(hdr)	((enum zio_compress)BF32_GET((hdr)->b_flags, \
1291 #define	HDR_SET_COMPRESS(hdr, cmp) BF32_SET((hdr)->b_flags, \
1295 #define	ARC_BUF_SHARED(buf)	((buf)->b_flags & ARC_BUF_FLAG_SHARED)
1296 #define	ARC_BUF_COMPRESSED(buf)	((buf)->b_flags & ARC_BUF_FLAG_COMPRESSED)
2171  * The arc_buf_hdr_t's b_flags should never be modified directly. Instead,
2182 	hdr->b_flags |= flags;
2189 	hdr->b_flags &= ~flags;
2193  * Setting the compression bits in the arc_buf_hdr_t's b_flags is
2303 			buf->b_flags &= ~ARC_BUF_FLAG_SHARED;
2326 		buf->b_flags &= ~ARC_BUF_FLAG_COMPRESSED;
2843 	buf->b_flags = 0;
2848 	 * We're about to change the hdr's b_flags. We must either
2858 		buf->b_flags |= ARC_BUF_FLAG_COMPRESSED;
2862 	 * set the appropriate bit in the hdr's b_flags to indicate the hdr is
2880 		buf->b_flags |= ARC_BUF_FLAG_SHARED;
3037 	buf->b_flags |= ARC_BUF_FLAG_SHARED;
3067 	buf->b_flags &= ~ARC_BUF_FLAG_SHARED;
3135 		 * We're about to change the hdr's b_flags. We must either
3274 	hdr->b_flags = 0;
3640 	    ((hdr->b_flags & (ARC_FLAG_PREFETCH | ARC_FLAG_INDIRECT)) &&
5484 			if ((hdr->b_flags & ARC_FLAG_PRIO_ASYNC_READ) &&
5496 			if (hdr->b_flags & ARC_FLAG_PREDICTIVE_PREFETCH) {
5535 			if (hdr->b_flags & ARC_FLAG_PREDICTIVE_PREFETCH) {
5550 			if (hdr->b_flags & ARC_FLAG_PRESCIENT_PREFETCH) {