From 34ff636f322c6d5e4f0a52338fa63a7dff09a495 Mon Sep 17 00:00:00 2001 From: Joel Fernandes Date: Sat, 18 Jul 2026 13:15:36 -0400 Subject: scftorture: Count single_rpc offline failures in statistics output scf_torture_stats_print() aggregates each invoker thread's counters into a local scf_statistics structure before printing, but the n_single_rpc_ofl field is missing from the aggregation loop. As a result, the "single_rpc_ofl" value printed in the statistics line is always zero, even when smp_call_function_single() invocations for the RPC test have failed due to offline CPUs and been counted by the invoker threads. Add the missing accumulation so that the printed value reflects the actual counts. Signed-off-by: Joel Fernandes Signed-off-by: Paul E. McKenney --- fs/affs/dir.c | 180 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 fs/affs/dir.c (limited to 'fs/affs/dir.c') diff --git a/fs/affs/dir.c b/fs/affs/dir.c new file mode 100644 index 000000000..d2b897ebb --- /dev/null +++ b/fs/affs/dir.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * linux/fs/affs/dir.c + * + * (c) 1996 Hans-Joachim Widmaier - Rewritten + * + * (C) 1993 Ray Burr - Modified for Amiga FFS filesystem. + * + * (C) 1992 Eric Youngdale Modified for ISO 9660 filesystem. + * + * (C) 1991 Linus Torvalds - minix filesystem + * + * affs directory handling functions + * + */ + +#include +#include +#include "affs.h" + +struct affs_dir_data { + unsigned long ino; + u64 cookie; +}; + +static int affs_readdir(struct file *, struct dir_context *); + +static loff_t affs_dir_llseek(struct file *file, loff_t offset, int whence) +{ + struct affs_dir_data *data = file->private_data; + + return generic_llseek_cookie(file, offset, whence, &data->cookie); +} + +static int affs_dir_open(struct inode *inode, struct file *file) +{ + struct affs_dir_data *data; + + data = kzalloc_obj(struct affs_dir_data); + if (!data) + return -ENOMEM; + file->private_data = data; + return 0; +} + +static int affs_dir_release(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + +const struct file_operations affs_dir_operations = { + .open = affs_dir_open, + .read = generic_read_dir, + .llseek = affs_dir_llseek, + .iterate_shared = affs_readdir, + .fsync = affs_file_fsync, + .release = affs_dir_release, + .setlease = generic_setlease, +}; + +/* + * directories can handle most operations... + */ +const struct inode_operations affs_dir_inode_operations = { + .create = affs_create, + .lookup = affs_lookup, + .link = affs_link, + .unlink = affs_unlink, + .symlink = affs_symlink, + .mkdir = affs_mkdir, + .rmdir = affs_rmdir, + .rename = affs_rename2, + .setattr = affs_setattr, +}; + +static int +affs_readdir(struct file *file, struct dir_context *ctx) +{ + struct inode *inode = file_inode(file); + struct affs_dir_data *data = file->private_data; + struct super_block *sb = inode->i_sb; + struct buffer_head *dir_bh = NULL; + struct buffer_head *fh_bh = NULL; + unsigned char *name; + int namelen; + u32 i; + int hash_pos; + int chain_pos; + u32 ino; + int error = 0; + + pr_debug("%s(ino=%llu,f_pos=%llx)\n", __func__, inode->i_ino, ctx->pos); + + if (ctx->pos < 2) { + data->ino = 0; + if (!dir_emit_dots(file, ctx)) + return 0; + } + + affs_lock_dir(inode); + chain_pos = (ctx->pos - 2) & 0xffff; + hash_pos = (ctx->pos - 2) >> 16; + if (chain_pos == 0xffff) { + affs_warning(sb, "readdir", "More than 65535 entries in chain"); + chain_pos = 0; + hash_pos++; + ctx->pos = ((hash_pos << 16) | chain_pos) + 2; + } + dir_bh = affs_bread(sb, inode->i_ino); + if (!dir_bh) + goto out_unlock_dir; + + /* If the directory hasn't changed since the last call to readdir(), + * we can jump directly to where we left off. + */ + ino = data->ino; + if (ino && inode_eq_iversion(inode, data->cookie)) { + pr_debug("readdir() left off=%d\n", ino); + goto inside; + } + if (hash_pos >= AFFS_SB(sb)->s_hashsize) + goto done; + + ino = be32_to_cpu(AFFS_HEAD(dir_bh)->table[hash_pos]); + for (i = 0; ino && i < chain_pos; i++) { + fh_bh = affs_bread(sb, ino); + if (!fh_bh) { + affs_error(sb, "readdir","Cannot read block %d", i); + error = -EIO; + goto out_brelse_dir; + } + ino = be32_to_cpu(AFFS_TAIL(sb, fh_bh)->hash_chain); + affs_brelse(fh_bh); + fh_bh = NULL; + } + if (ino) + goto inside; + hash_pos++; + + for (; hash_pos < AFFS_SB(sb)->s_hashsize; hash_pos++) { + ino = be32_to_cpu(AFFS_HEAD(dir_bh)->table[hash_pos]); + if (!ino) + continue; + ctx->pos = (hash_pos << 16) + 2; +inside: + do { + fh_bh = affs_bread(sb, ino); + if (!fh_bh) { + affs_error(sb, "readdir", + "Cannot read block %d", ino); + break; + } + + namelen = min(AFFS_TAIL(sb, fh_bh)->name[0], + (u8)AFFSNAMEMAX); + name = AFFS_TAIL(sb, fh_bh)->name + 1; + pr_debug("readdir(): dir_emit(\"%.*s\", ino=%u), hash=%d, f_pos=%llx\n", + namelen, name, ino, hash_pos, ctx->pos); + + if (!dir_emit(ctx, name, namelen, ino, DT_UNKNOWN)) + goto done; + ctx->pos++; + ino = be32_to_cpu(AFFS_TAIL(sb, fh_bh)->hash_chain); + affs_brelse(fh_bh); + fh_bh = NULL; + } while (ino); + } +done: + data->cookie = inode_query_iversion(inode); + data->ino = ino; + affs_brelse(fh_bh); + +out_brelse_dir: + affs_brelse(dir_bh); + +out_unlock_dir: + affs_unlock_dir(inode); + return error; +} -- cgit v1.3.1