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/linux/fs/xfs/scrub/
H A Drtrmap_repair.c50 * Realtime Reverse Mapping Btree Repair
54 * device, since we only store the data fork extents of realtime files on the
55 * realtime device. We still have to freeze the filesystem and stop the
57 * realtime inodes.
59 * Collecting entries for the new realtime rmap btree is easy -- all we have
60 * to do is generate rtrmap entries from the data fork mappings of all realtime
64 * To rebuild the realtime rmap btree, we bulk-load the collected mappings into
65 * a new btree cursor and atomically swap that into the realtime inode. Then
110 error = xrep_setup_xfbtree(sc, "realtime reverse mapping records"); in xrep_setup_rtrmapbt()
320 /* Find all the extents on the realtime device mapped by an inode fork. */
[all …]
H A Drtsummary.c31 * Realtime Summary
34 * We check the realtime summary by scanning the realtime bitmap file to create
71 error = xfile_create("realtime summary file", in xchk_setup_rtsummary()
208 /* Compute the realtime summary from the realtime bitmap. */
303 /* Scrub the realtime summary. */
H A Drtbitmap.c32 /* Set us up with the realtime metadata locked. */
118 /* Scrub a free extent record from the realtime bitmap. */
189 /* Scrub this group's realtime bitmap. */
/linux/tools/testing/selftests/futex/functional/
H A Dfutex_wait_timeout.c99 test_timeout(res, "futex_wait_bitset realtime", ETIMEDOUT); in TEST()
118 test_timeout(res, "futex_wait_requeue_pi realtime", ETIMEDOUT); in TEST()
144 * Due to historical reasons, FUTEX_LOCK_PI supports only realtime in TEST()
148 * interpreted as a realtime clock, and (unless you mess your machine's in TEST()
150 * smaller than realtime and the syscall will timeout immediately. in TEST()
155 test_timeout(res, "futex_lock_pi realtime", ETIMEDOUT); in TEST()
184 test_timeout(res, "futex_waitv realtime", ETIMEDOUT); in TEST()
/linux/fs/xfs/
H A Dxfs_ioctl32.h147 __u32 rtextsize; /* realtime extent size */
155 __u64 rtblocks; /* fsblocks in realtime subvol */
156 __u64 rtextents; /* rt extents in realtime subvol*/
164 __u32 rtsectsize; /* realtime sector size, bytes */
184 __u64 newblocks; /* new realtime size, fsblocks */
185 __u32 extsize; /* new realtime extent size, fsblocks */
H A DKconfig106 bool "XFS Realtime subvolume support"
111 which contain a realtime subvolume. The realtime subvolume is a
118 to applications via the inherit-realtime directory inode flag.
123 devices, the realtime subvolume must be backed by a zoned block
129 the realtime subvolume.
H A Dxfs_rtalloc.h20 * Initialize realtime fields in the mount structure.
38 * Grow the realtime area of the filesystem.
H A Dxfs_rtalloc.c488 * we found in the realtime summary. in xfs_rtallocate_extent_near()
792 * skip past a realtime superblock at the start of the realtime volume. in xfs_growfs_rt_free_new()
822 * rtgroup; and the filesystem didn't have a realtime section, write the rtsb
1393 * Grow the realtime area of the filesystem.
1524 /* Read the realtime superblock and attach it to the mount. */
1538 "Filesystem has a realtime volume, use rtdev=device option"); in xfs_rtmount_readsb()
1559 /* Detach the realtime superblock from the mount and free it. */
1575 * Initialize realtime fields in the mount structure.
1585 "Filesystem has a realtime volume, use rtdev=device option"); in xfs_rtmount_init()
1608 * Reinitialize the number of free realtime extents from the realtime bitmap.
[all …]
/linux/sound/core/seq/oss/
H A Dseq_oss_timer.c43 rec->realtime = 0; in snd_seq_oss_timer_new()
81 rec->realtime = 0; in snd_seq_oss_process_timer_event()
85 rec->realtime = 1; in snd_seq_oss_process_timer_event()
87 rec->realtime = 0; in snd_seq_oss_process_timer_event()
103 rec->realtime = 0; in snd_seq_oss_process_timer_event()
/linux/fs/xfs/libxfs/
H A Dxfs_format.h99 xfs_rfsblock_t sb_rblocks; /* number of realtime blocks */
100 xfs_rtbxlen_t sb_rextents; /* number of realtime extents */
104 xfs_ino_t sb_rbmino; /* bitmap inode for realtime extents */
106 xfs_agblock_t sb_rextsize; /* realtime extent size, blocks */
133 uint64_t sb_frextents; /* free realtime extents */
179 xfs_rgnumber_t sb_rgcount; /* number of realtime groups */
180 xfs_rtxlen_t sb_rgextents; /* size of a realtime group in rtx */
197 __be64 sb_rblocks; /* number of realtime blocks */
198 __be64 sb_rextents; /* number of realtime extents */
202 __be64 sb_rbmino; /* bitmap inode for realtime extents */
[all …]
H A Dxfs_rtgroup.c51 /* Compute the number of rt extents in this realtime group. */
201 * Lock both realtime free space metadata inodes for a in xfs_rtgroup_lock()
245 * Join realtime group metadata inodes to the transaction. The ILOCKs will be
382 * realtime volume to the filesystem, so we cannot use the
520 /* Add a metadata inode for a realtime rmap btree. */
693 /* Update a realtime superblock from the primary fs super */
723 * Update the realtime superblock from a filesystem superblock and log it to
H A Dxfs_inode_buf.c461 * realtime volume to the filesystem, so we cannot use in xfs_dinode_verify_fork()
758 /* don't let reflink and realtime mix */ in xfs_dinode_verify()
822 * For realtime files, this is the rt extent size.
823 * 8. For non-realtime files, the extent size hint must be limited
850 * multiple of the realtime extent size. Since we allow users to set in xfs_inode_validate_extsize()
858 * propagate that hint into a new regular realtime file, the result in xfs_inode_validate_extsize()
936 * propagate realtime status and a CoW extent size hint to newly in xfs_inode_validate_cowextsize()
937 * created files even if there is no realtime device, and the hints on in xfs_inode_validate_cowextsize()
939 * size while adding the realtime device. in xfs_inode_validate_cowextsize()
942 * regular realtime files, and rely on callers to decide when alignment in xfs_inode_validate_cowextsize()
H A Dxfs_trans_space.h17 /* Worst case number of realtime rmaps that can be held in a block. */
21 /* Adding one realtime rmap could split every level to the top of the tree. */
24 /* Blocks we might need to add "b" realtime rmaps to a tree. */
H A Dxfs_types.h12 typedef uint32_t xfs_rgblock_t; /* blockno in realtime group */
17 typedef uint32_t xfs_rgnumber_t; /* realtime group number */
35 typedef uint64_t xfs_rtblock_t; /* extent (block) in realtime area */
/linux/drivers/dma/
H A Dste_dma40.h82 * @realtime: true if realtime mode is to be enabled. Only available on DMA40
99 bool realtime; member
/linux/include/linux/
H A Dtimekeeping.h158 * ktime_mono_to_real - Convert monotonic time to clock realtime
161 * Returns: time converted to realtime clock
282 * @real: Realtime system time
303 * @sys_realtime: Realtime simultaneous with device time
344 * Simultaneously snapshot realtime and monotonic raw clocks
H A Dtimekeeper_internal.h39 * @base_real: Nanoseconds base value for clock REALTIME readout
48 * realtime from any context.
67 * @offs_real: Offset clock monotonic -> clock realtime
135 * CLOCK_MONOTONIC/REALTIME/BOOTTIME/TAI, while cacheline 2 contains the
/linux/drivers/hte/
H A DKconfig8 timestamp certain device lines/signals in realtime. It comes with a
25 lines for timestamping in realtime.
/linux/Documentation/block/
H A Dioprio.rst20 IOPRIO_CLASS_RT: This is the realtime io class. This scheduling class is given
58 will change pid 100 to run at the realtime scheduling class, at priority 2.
111 const char *to_prio[] = { "none", "realtime", "best-effort", "idle", };
/linux/drivers/platform/x86/
H A Dmsi-ec.h76 int rt_fan_speed_address; // realtime
86 int rt_fan_speed_address; // realtime
/linux/include/trace/events/
H A Dalarmtimer.h18 { 1 << ALARM_REALTIME, "REALTIME" }, \
20 { 1 << ALARM_REALTIME_FREEZER, "REALTIME Freezer" }, \
/linux/Documentation/devicetree/bindings/dma/ti/
H A Dk3-pktdma.yaml51 - description: RX Channel Realtime Registers region
52 - description: TX Channel Realtime Registers region
53 - description: Ring Realtime Registers region
/linux/Documentation/RCU/
H A Drcu.rst84 - I hear that RCU needs work in order to support realtime kernels?
86 Realtime-friendly RCU are enabled via the CONFIG_PREEMPTION
/linux/arch/arm/mach-omap2/
H A Dtimer.c50 * The realtime counter also called master counter, is a free-running
109 /* Numerator/denumerator values refer TRM Realtime Counter section */ in realtime_counter_init()
/linux/arch/mips/include/asm/sgi/
H A Dmc.h81 #define SGIMC_GIOPAR_RTIMEGFX 0x00000040 /* GFX device has realtime attr */
82 #define SGIMC_GIOPAR_RTIMEEXP0 0x00000080 /* EXP(slot0) has realtime attr */
83 #define SGIMC_GIOPAR_RTIMEEXP1 0x00000100 /* EXP(slot1) has realtime attr */

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