/* * linux/fs/affs/symlink.c * * 1995 Hans-Joachim Widmaier - Modified for affs. * * Copyright (C) 1991, 1992 Linus Torvalds * * affs symlink handling code */ #include "affs.h" static int affs_symlink_readpage(struct file *file, struct page *page) { struct buffer_head *bh; struct inode *inode = page->mapping->host; char *link = page_address(page); struct slink_front *lf; int i, j; char c; char lc; pr_debug("get_link(ino=%lu)\n", inode->i_ino); bh = affs_bread(inode->i_sb, inode->i_ino); if (!bh) goto fail; i = 0; j = 0; lf = (struct slink_front *)bh->b_data; lc = 0; if (strchr(lf->symname,':')) { /* Handle assign or volume name */ struct affs_sb_info *sbi = AFFS_SB(inode->i_sb); char *pf; spin_lock(&sbi->symlink_lock); pf = sbi->s_prefix ? sbi->s_prefix : "/"; while (i < 1023 && (c = pf[i])) link[i++] = c; spin_unlock(&sbi->symlink_lock); while (i < 1023 && lf->symname[j] != ':') link[i++] = lf->symname[j++]; if (i < 1023) link[i++] = '/'; j++; lc = '/'; } while (i < 1023 && (c = lf->symname[j])) { if (c == '/' && lc == '/' && i < 1020) { /* parent dir */ link[i++] = '.'; link[i++] = '.'; } link[i++] = c; lc = c; j++; } link[i] = '\0'; affs_brelse(bh); SetPageUptodate(page); unlock_page(page); return 0; fail: SetPageError(page); unlock_page(page); return -EIO; } const struct address_space_operations affs_symlink_aops = { .readpage = affs_symlink_readpage, }; const struct inode_operations affs_symlink_inode_operations = { .get_link = page_get_link, .setattr = affs_notify_change, }; mg/pistachio-internal-dac.c'>logtreecommitdiff
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 21:58:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 21:58:13 -0800
commite7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba (patch)
treef63906f41699c8e38af9d12b063e2ceab0286ef2 /sound/soc/img/pistachio-internal-dac.c
parente34bac726d27056081d0250c0e173e4b155aa340 (diff)
parent868c97a846a73e937d835b09b8c885a69df50ec8 (diff)
Merge tag 'docs-4.10' of git://git.lwn.net/linuxHEADmaster
Pull documentation update from Jonathan Corbet: "These are the documentation changes for 4.10. It's another busy cycle for the docs tree, as the sphinx conversion continues. Highlights include: - Further work on PDF output, which remains a bit of a pain but should be more solid now. - Five more DocBook template files converted to Sphinx. Only 27 to go... Lots of plain-text files have also been converted and integrated. - Images in binary formats have been replaced with more source-friendly versions. - Various bits of organizational work, including the renaming of various files discussed at the kernel summit. - New documentation for the device_link mechanism. ... and, of course, lots of typo fixes and small updates" * tag 'docs-4.10' of git://git.lwn.net/linux: (193 commits) dma-buf: Extract dma-buf.rst Update Documentation/00-INDEX docs: 00-INDEX: document directories/files with no docs docs: 00-INDEX: remove non-existing entries docs: 00-INDEX: add missing entries for documentation files/dirs docs: 00-INDEX: consolidate process/ and admin-guide/ description scripts: add a script to check if Documentation/00-INDEX is sane Docs: change sh -> awk in REPORTING-BUGS Documentation/core-api/device_link: Add initial documentation core-api: remove an unexpected unident ppc/idle: Add documentation for powersave=off Doc: Correct typo, "Introdution" => "Introduction" Documentation/atomic_ops.txt: convert to ReST markup Documentation/local_ops.txt: convert to ReST markup Documentation/assoc_array.txt: convert to ReST markup docs-rst: parse-headers.pl: cleanup the documentation docs-rst: fix media cleandocs target docs-rst: media/Makefile: reorganize the rules docs-rst: media: build SVG from graphviz files docs-rst: replace bayer.png by a SVG image ...
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