/* * 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, }; core.c?id=b5b46c4740aed1538544f0fa849c5b76c7823469'>treecommitdiff
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authorJiri Slaby <jslaby@suse.cz>2017-01-18 14:29:21 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-19 08:39:44 +0100
commitb5b46c4740aed1538544f0fa849c5b76c7823469 (patch)
tree125e7aced4835bad6f6a0c0d02d012f333caf922 /net/bluetooth/rfcomm/core.c
parentfa19a769f82fb9a5ca000b83cacd13fcaeda51ac (diff)
objtool: Fix IRET's opcode
The IRET opcode is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq Fix the opcode in arch_decode_instruction(). The previous value (0xc5) seems to correspond to LDS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/bluetooth/rfcomm/core.c')