/* * linux/fs/nfs/symlink.c * * Copyright (C) 1992 Rick Sladkey * * Optimization changes Copyright (C) 1994 Florian La Roche * * Jun 7 1999, cache symlink lookups in the page cache. -DaveM * * nfs symlink handling code */ #include #include #include #include #include #include #include #include #include #include /* Symlink caching in the page cache is even more simplistic * and straight-forward than readdir caching. */ static int nfs_symlink_filler(struct inode *inode, struct page *page) { int error; error = NFS_PROTO(inode)->readlink(inode, page, 0, PAGE_SIZE); if (error < 0) goto error; SetPageUptodate(page); unlock_page(page); return 0; error: SetPageError(page); unlock_page(page); return -EIO; } static const char *nfs_get_link(struct dentry *dentry, struct inode *inode, struct delayed_call *done) { struct page *page; void *err; if (!dentry) { err = ERR_PTR(nfs_revalidate_mapping_rcu(inode)); if (err) return err; page = find_get_page(inode->i_mapping, 0); if (!page) return ERR_PTR(-ECHILD); if (!PageUptodate(page)) { put_page(page); return ERR_PTR(-ECHILD); } } else { err = ERR_PTR(nfs_revalidate_mapping(inode, inode->i_mapping)); if (err) return err; page = read_cache_page(&inode->i_data, 0, (filler_t *)nfs_symlink_filler, inode); if (IS_ERR(page)) return ERR_CAST(page); } set_delayed_call(done, page_put_link, page); return page_address(page); } /* * symlinks can't do much... */ const struct inode_operations nfs_symlink_inode_operations = { .get_link = nfs_get_link, .getattr = nfs_getattr, .setattr = nfs_setattr, }; .git/log/net/dccp/ccids?h=nds-private-remove'>logtreecommitdiff
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authorDavid Lechner <david@lechnology.com>2016-12-04 16:52:31 -0600
committerMark Brown <broonie@kernel.org>2016-12-05 11:38:30 +0000
commit30103b5b6432a51c3822a26dc340e35d91237f39 (patch)
tree0806755f1615c0bc8598558b4a845ab1cf9c8291 /net/dccp/ccids
parent1b5b42216469b05ef4b5916cb40b127dfab1da88 (diff)
regulator: Fix regulator_get_error_flags() signature mismatch
The function signature of does not match regulator_get_error_flags() when CONFIG_REGULATOR is not defined vs. when it is not defined. This makes both declarations match to prevent compiler errors. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'net/dccp/ccids')