| /linux/include/linux/ |
| H A D | pagemap.h | 1470 static inline unsigned int __readahead_batch(struct readahead_control *rac, in __readahead_batch() argument
1474 XA_STATE(xas, &rac->mapping->i_pages, 0); in __readahead_batch()
1477 BUG_ON(rac->_batch_count > rac->_nr_pages); in __readahead_batch()
1478 rac->_nr_pages -= rac->_batch_count; in __readahead_batch()
1479 rac->_index += rac->_batch_count; in __readahead_batch()
1480 rac->_batch_count = 0; in __readahead_batch()
1482 xas_set(&xas, rac->_index); in __readahead_batch()
1484 xas_for_each(&xas, folio, rac->_index + rac->_nr_pages - 1) { in __readahead_batch()
1489 rac->_batch_count += folio_nr_pages(folio); in __readahead_batch()
1502 static inline loff_t readahead_pos(const struct readahead_control *rac) in readahead_pos() argument
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| H A D | iomap.h | 494 struct readahead_control *rac; member
614 static inline void iomap_bio_readahead(struct readahead_control *rac, in iomap_bio_readahead() argument
619 .rac = rac, in iomap_bio_readahead()
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| /linux/mm/ |
| H A D | readahead.c | 149 static void read_pages(struct readahead_control *rac) in read_pages() argument
151 const struct address_space_operations *aops = rac->mapping->a_ops; in read_pages()
155 if (!readahead_count(rac)) in read_pages()
158 if (unlikely(rac->_workingset)) in read_pages()
159 psi_memstall_enter(&rac->_pflags); in read_pages()
163 aops->readahead(rac); in read_pages()
165 while ((folio = readahead_folio(rac)) != NULL) { in read_pages()
172 while ((folio = readahead_folio(rac)) != NULL) in read_pages()
173 aops->read_folio(rac->file, folio); in read_pages()
177 if (unlikely(rac in read_pages()
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| /linux/fs/erofs/ |
| H A D | fileio.c | 174 static void erofs_fileio_readahead(struct readahead_control *rac) in erofs_fileio_readahead() argument
177 struct inode *realinode = erofs_real_inode(rac->mapping->host, &need_iput); in erofs_fileio_readahead()
182 trace_erofs_readahead(realinode, readahead_index(rac), in erofs_fileio_readahead()
183 readahead_count(rac), true); in erofs_fileio_readahead()
184 while ((folio = readahead_folio(rac))) { in erofs_fileio_readahead()
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| H A D | data.c | 399 static void erofs_readahead(struct readahead_control *rac) in erofs_readahead() argument
403 .rac = rac, in erofs_readahead()
407 .realinode = erofs_real_inode(rac->mapping->host, &need_iput), in erofs_readahead()
410 trace_erofs_readahead(iter_ctx.realinode, readahead_index(rac), in erofs_readahead()
411 readahead_count(rac), true); in erofs_readahead()
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| H A D | fscache.c | 342 static void erofs_fscache_readahead(struct readahead_control *rac) in erofs_fscache_readahead() argument
346 if (!readahead_count(rac)) in erofs_fscache_readahead()
349 req = erofs_fscache_req_alloc(rac->mapping, in erofs_fscache_readahead()
350 readahead_pos(rac), readahead_length(rac)); in erofs_fscache_readahead()
355 while (readahead_folio(rac)) in erofs_fscache_readahead()
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| H A D | zdata.c | 1827 struct readahead_control *rac, bool backmost) in z_erofs_pcluster_readmore() argument
1835 if (rac) in z_erofs_pcluster_readmore()
1836 end = headoffset + readahead_length(rac) - 1; in z_erofs_pcluster_readmore()
1846 if (rac) { in z_erofs_pcluster_readmore()
1848 readahead_expand(rac, headoffset, cur - headoffset); in z_erofs_pcluster_readmore()
1868 z_erofs_scan_folio(f, folio, !!rac); in z_erofs_pcluster_readmore()
1906 static void z_erofs_readahead(struct readahead_control *rac) in z_erofs_readahead() argument
1908 struct inode *sharedinode = rac->mapping->host; in z_erofs_readahead()
1911 Z_EROFS_DEFINE_FRONTEND(f, realinode, sharedinode, readahead_pos(rac)); in z_erofs_readahead()
1912 unsigned int nrpages = readahead_count(rac); in z_erofs_readahead()
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| /linux/fs/orangefs/ |
| H A D | inode.c | 217 static void orangefs_readahead(struct readahead_control *rac) in orangefs_readahead() argument
221 struct inode *inode = rac->mapping->host; in orangefs_readahead()
224 loff_t new_start = readahead_pos(rac); in orangefs_readahead()
228 loff_t bytes_remaining = inode->i_size - readahead_pos(rac); in orangefs_readahead()
233 else if (pages_remaining > readahead_count(rac)) in orangefs_readahead()
237 readahead_expand(rac, new_start, new_len); in orangefs_readahead()
239 offset = readahead_pos(rac); in orangefs_readahead()
240 i_pages = &rac->mapping->i_pages; in orangefs_readahead()
242 iov_iter_xarray(&iter, ITER_DEST, i_pages, offset, readahead_length(rac)); in orangefs_readahead()
246 &offset, &iter, readahead_length(rac), in orangefs_readahead()
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| /linux/fs/iomap/ |
| H A D | bio.c | 50 if (ctx->rac) /* same as readahead_gfp_mask */ in iomap_bio_read_folio_range()
61 if (ctx->rac) in iomap_bio_read_folio_range()
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| H A D | buffered-io.c | 610 ctx->cur_folio = readahead_folio(ctx->rac); in iomap_readahead_iter()
642 struct readahead_control *rac = ctx->rac; in iomap_readahead() local
644 .inode = rac->mapping->host, in iomap_readahead()
645 .pos = readahead_pos(rac), in iomap_readahead()
646 .len = readahead_length(rac), in iomap_readahead()
651 trace_iomap_readahead(rac->mapping->host, readahead_count(rac)); in iomap_readahead()
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| /linux/arch/arm/mach-omap2/ |
| H A D | vc.c | 67 u8 rac; member
75 .rac = BIT(2),
89 .rac = BIT(3),
851 vc->cfg_channel |= vc_cfg_bits->rac; in omap_vc_init_channel()
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| /linux/fs/ |
| H A D | mpage.c | 359 void mpage_readahead(struct readahead_control *rac, get_block_t get_block) in mpage_readahead() argument
367 while ((folio = readahead_folio(rac))) { in mpage_readahead()
370 args.nr_pages = readahead_count(rac); in mpage_readahead()
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| /linux/fs/hpfs/ |
| H A D | file.c | 168 static void hpfs_readahead(struct readahead_control *rac) in hpfs_readahead() argument
170 mpage_readahead(rac, hpfs_get_block); in hpfs_readahead()
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| /linux/fs/omfs/ |
| H A D | file.c | 292 static void omfs_readahead(struct readahead_control *rac) in omfs_readahead() argument
294 mpage_readahead(rac, omfs_get_block); in omfs_readahead()
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| /linux/fs/jfs/ |
| H A D | inode.c | 284 static void jfs_readahead(struct readahead_control *rac) in jfs_readahead() argument
286 mpage_readahead(rac, jfs_get_block); in jfs_readahead()
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| /linux/block/ |
| H A D | fops.c | 497 static void blkdev_readahead(struct readahead_control *rac) in blkdev_readahead() argument
499 mpage_readahead(rac, blkdev_get_block); in blkdev_readahead()
542 static void blkdev_readahead(struct readahead_control *rac) in blkdev_readahead() argument
544 iomap_bio_readahead(rac, &blkdev_iomap_ops); in blkdev_readahead()
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| /linux/fs/fuse/ |
| H A D | file.c | 880 struct readahead_control *rac, in fuse_handle_readahead() argument
900 rac->ra->async_size >= readahead_count(rac)) in fuse_handle_readahead()
907 nr_pages = min(fc->max_pages, readahead_count(rac)); in fuse_handle_readahead()
935 if (ctx->rac) { in fuse_iomap_read_folio_range_async()
936 ret = fuse_handle_readahead(folio, ctx->rac, data, pos, len); in fuse_iomap_read_folio_range_async()
1067 static void fuse_readahead(struct readahead_control *rac) in fuse_readahead() argument
1069 struct inode *inode = rac->mapping->host; in fuse_readahead()
1072 .file = rac->file, in fuse_readahead()
1077 .rac = rac, in fuse_readahead()
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| /linux/arch/arm/boot/dts/ti/keystone/ |
| H A D | keystone-k2hk-clocks.dtsi | 177 clock-output-names = "rac-01";
187 clock-output-names = "rac-23";
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| H A D | keystone-k2l-clocks.dtsi | 108 clock-output-names = "rac";
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| /linux/fs/qnx6/ |
| H A D | inode.c | 103 static void qnx6_readahead(struct readahead_control *rac) in qnx6_readahead() argument
105 mpage_readahead(rac, qnx6_get_block); in qnx6_readahead()
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| /linux/arch/arm/mm/ |
| H A D | Makefile | 95 obj-$(CONFIG_CACHE_B15_RAC) += cache-b15-rac.o
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| /linux/fs/zonefs/ |
| H A D | file.c | 119 static void zonefs_readahead(struct readahead_control *rac) in zonefs_readahead() argument
121 iomap_bio_readahead(rac, &zonefs_read_iomap_ops); in zonefs_readahead()
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| /linux/fs/btrfs/ |
| H A D | extent_io.h | 242 void btrfs_readahead(struct readahead_control *rac);
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| H A D | extent_io.c | 2719 void btrfs_readahead(struct readahead_control *rac) in btrfs_readahead() argument
2723 .ractl = rac, in btrfs_readahead()
2727 struct inode *vfs_inode = rac->mapping->host; in btrfs_readahead()
2729 const u64 start = readahead_pos(rac); in btrfs_readahead()
2730 const u64 end = start + readahead_length(rac) - 1; in btrfs_readahead()
2738 while ((folio = readahead_folio(rac)) != NULL) in btrfs_readahead()
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| /linux/fs/ocfs2/ |
| H A D | aops.c | 334 static void ocfs2_readahead(struct readahead_control *rac) in ocfs2_readahead() argument
337 struct inode *inode = rac->mapping->host; in ocfs2_readahead()
362 if (readahead_pos(rac) >= i_size_read(inode)) in ocfs2_readahead()
365 mpage_readahead(rac, ocfs2_get_block); in ocfs2_readahead()
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