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/block/
DKconfig.iosched21 CSCAN service with FIFO expiration of requests, switching to
22 a new point in the service tree and doing a batch of IO from there
23 in case of expiry.
72 MQ version of the deadline IO scheduler.
87 BFQ I/O scheduler for BLK-MQ. BFQ distributes the bandwidth of
88 of the device among all processes according to their weights,
89 regardless of the device parameters and with any workload. It
DKconfig22 they make use of various block layer definitions and facilities.
34 Enable block devices or files of size 2TB and larger.
36 This option is required to support the full capacity of large
126 can be used to protect cgroups in terms of bandwidth/iops and better
136 the kernel boot args. This is typically of use for embedded devices
150 the realtime performance of the disk.
Dblk-throttle.c1439 static ssize_t tg_set_conf(struct kernfs_open_file *of, in tg_set_conf() argument
1442 struct blkcg *blkcg = css_to_blkcg(of_css(of)); in tg_set_conf()
1461 *(u64 *)((void *)tg + of_cft(of)->private) = v; in tg_set_conf()
1463 *(unsigned int *)((void *)tg + of_cft(of)->private) = v; in tg_set_conf()
1472 static ssize_t tg_set_conf_u64(struct kernfs_open_file *of, in tg_set_conf_u64() argument
1475 return tg_set_conf(of, buf, nbytes, off, true); in tg_set_conf_u64()
1478 static ssize_t tg_set_conf_uint(struct kernfs_open_file *of, in tg_set_conf_uint() argument
1481 return tg_set_conf(of, buf, nbytes, off, false); in tg_set_conf_uint()
1592 static ssize_t tg_set_limit(struct kernfs_open_file *of, in tg_set_limit() argument
1595 struct blkcg *blkcg = css_to_blkcg(of_css(of)); in tg_set_limit()
[all …]
Dcfq-iosched.c1785 static ssize_t __cfqg_set_weight_device(struct kernfs_open_file *of, in __cfqg_set_weight_device() argument
1791 struct blkcg *blkcg = css_to_blkcg(of_css(of)); in __cfqg_set_weight_device()
1833 static ssize_t cfqg_set_weight_device(struct kernfs_open_file *of, in cfqg_set_weight_device() argument
1836 return __cfqg_set_weight_device(of, buf, nbytes, off, false, false); in cfqg_set_weight_device()
1839 static ssize_t cfqg_set_leaf_weight_device(struct kernfs_open_file *of, in cfqg_set_leaf_weight_device() argument
1842 return __cfqg_set_weight_device(of, buf, nbytes, off, false, true); in cfqg_set_leaf_weight_device()
2214 static ssize_t cfq_set_weight_on_dfl(struct kernfs_open_file *of, in cfq_set_weight_on_dfl() argument
2226 ret = __cfq_set_weight(of_css(of), v, true, false, false); in cfq_set_weight_on_dfl()
2231 return __cfqg_set_weight_device(of, buf, nbytes, off, true, false); in cfq_set_weight_on_dfl()
Dbfq-cgroup.c880 static ssize_t bfq_io_set_weight(struct kernfs_open_file *of, in bfq_io_set_weight() argument
891 ret = bfq_io_set_weight_legacy(of_css(of), NULL, weight); in bfq_io_set_weight()
/block/partitions/
DKconfig50 The Acorn Disc Filing System is the standard file system of the
52 systems and the Acorn Archimedes range of machines. If you say
69 of machines called RISCiX. If you say 'Y' here, Linux will be able
79 but this driver works only for the simple case of partitions which
130 requires only one entry in the primary partition table of your disk
161 partition (VTOC - Virtual Table of Contents). Its format is
188 Windows 2000 introduced the concept of Dynamic Disks to get around
189 the limitations of the PC's partitioning scheme. The Logical Disk