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Searched refs:sequential (Results 1 – 25 of 42) sorted by relevance

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/linux/Documentation/admin-guide/device-mapper/
H A Ddm-zoned.rst9 doing raw block device accesses) the sequential write constraints of
37 dm-zoned implements an on-disk buffering scheme to handle non-sequential
38 write accesses to the sequential zones of a zoned block device.
52 sequential zones used exclusively to store user data. The conventional
55 later moved to a sequential zone so that the conventional zone can be
85 sequential zone, the write operation is processed directly only if the
87 offset within of the sequential data zone (i.e. the write operation is
92 automatically invalidate the same block in the sequential zone mapping
93 the chunk. If all blocks of the sequential zone become invalid, the zone
100 the sequential zone mapping a chunk, or if the chunk is buffered, from
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H A Dcache-policies.rst131 sequential threshold set to 1024 and the random_threshold set to 8.
/linux/Documentation/filesystems/
H A Dzonefs.rst12 device support (e.g. f2fs), zonefs does not hide the sequential write
13 constraint of zoned block devices to the user. Files representing sequential
41 sequentially. Each sequential zone has a write pointer maintained by the
43 to the device. As a result of this write constraint, LBAs in a sequential zone
78 the zone containing the super block is a sequential zone, the mkzonefs format
94 For sequential write zones, the sub-directory "seq" is used.
135 The size of sequential zone files grouped in the "seq" sub-directory represents
144 Since dirty page writeback by the page cache does not guarantee a sequential
146 on sequential files. Only direct I/O writes are accepted for these files.
147 zonefs relies on the sequential delivery of write I/O requests to the device
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H A Ddebugfs.rst160 another to insert a register block in the middle of another sequential
/linux/tools/perf/tests/
H A Dbuiltin-test.c48 static bool sequential; variable
512 if (pass == 1 && !sequential && test_exclusive(test, curr_test_case)) { in start_test()
516 if (pass != 1 && (sequential || !test_exclusive(test, curr_test_case))) { in start_test()
538 if (sequential || pass == 2) { in start_test()
656 if (!sequential) { in __cmd_test()
791 OPT_BOOLEAN('S', "sequential", &sequential, in cmd_test()
832 sequential = true; in cmd_test()
/linux/Documentation/ABI/testing/
H A Dsysfs-driver-intel-m10-bmc22 of sequential MAC addresses assigned to the board
32 Description: Read only. Returns the number of sequential MAC
H A Dsysfs-bus-rapidio196 sequential number (0 ... RIO_MAX_MPORTS) assigned to the mport
H A Dsysfs-fs-f2fs87 Description: Controls the dirty page count condition for batched sequential
789 conventional zones and sequential zones. It can be used to control which part
794 blkzone_alloc_policy = 0 Prioritize writing to sequential zones
795 blkzone_alloc_policy = 1 Only allow writing to sequential zones
/linux/tools/perf/
H A DMakefile55 BUILD_TYPE := sequential
/linux/Documentation/driver-api/mmc/
H A Dmmc-test.rst204 | 23 | Best-case read performance | Performs 512K sequential read (non sg) |
230 | 35 | Large sequential read | Into scattered pages |
232 | 36 | Large sequential write | From scattered pages |
/linux/drivers/md/bcache/
H A Drequest.c438 i->sequential = 0; in check_should_bypass()
440 if (i->sequential + bio->bi_iter.bi_size > i->sequential) in check_should_bypass()
441 i->sequential += bio->bi_iter.bi_size; in check_should_bypass()
445 task->sequential_io = i->sequential; in check_should_bypass()
/linux/tools/perf/Documentation/
H A Ddb-export.txt15 The export process provides records with unique sequential ids which allows the
H A Djitdump-specification.txt27 The format requires only sequential accesses, i.e., append only mode. The file starts with a fixed …
/linux/Documentation/driver-api/md/
H A Draid5-cache.rst55 which are sequential but not dispatched in the same time will suffer from this
59 typical workload which does sequential write followed by fsync is an example.
/linux/Documentation/block/
H A Dblk-mq.rst76 to sequential access, grouped requests for sequential access decreases the
H A Dbfq-iosched.rst122 sequential workloads considered in our tests. With random workloads,
187 devices, if processes do synchronous and sequential I/O. In
228 performing random I/O that becomes mostly sequential if
272 associated with I/O-bound applications performing sequential
480 the percentage of sequential I/O requests issued. The price of larger
/linux/drivers/scsi/bfa/
H A Dbfa_fc.h314 u32 sequential:1; member
318 u32 sequential:1;
/linux/Documentation/admin-guide/cifs/
H A Dtodo.rst120 there are some easy changes that can be done to parallelize sequential writes,
/linux/Documentation/filesystems/nfs/
H A Dnfsd-io-modes.rst81 proven to help most is: NFS client issuing large sequential IO to a file
/linux/Documentation/fb/
H A Dudlfb.rst136 Where ? is the sequential framebuffer id of the particular DisplayLink device
/linux/fs/squashfs/
H A DKconfig259 performance for some file access patterns (e.g. sequential
/linux/fs/xfs/
H A DKconfig128 remaining sequential write required zones as the backing storage for
/linux/Documentation/driver-api/
H A Dedac.rst230 AMD GPU nodes are enumerated in sequential order based on the PCI
H A Dvme.rst39 Here, the 'num' field refers to the sequential device ID for this specific
/linux/Documentation/staging/
H A Dcrc32.rst162 But this still enforces sequential execution: a second group of table

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