#include "buckets.h"
#include "chardev.h"
#include "dirent.h"
+#include "errcode.h"
#include "extents.h"
#include "fs.h"
#include "fs-common.h"
#include <linux/pagemap.h>
#include <linux/posix_acl.h>
#include <linux/random.h>
+#include <linux/seq_file.h>
#include <linux/statfs.h>
#include <linux/string.h>
#include <linux/xattr.h>
bch2_trans_iter_exit(&trans, &iter);
- if (ret == -EINTR)
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
bch2_trans_exit(&trans);
bch2_quota_acct(c, bch_qid(&inode_u), Q_INO, -1,
KEY_TYPE_QUOTA_WARN);
err_before_quota:
- if (ret == -EINTR)
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
goto err_trans;
}
(subvol_inum) { 0 }, 0);
if (IS_ERR(inode))
- return PTR_ERR(inode);
+ return bch2_err_class(PTR_ERR(inode));
d_instantiate(dentry, &inode->v);
return 0;
mutex_lock(&inode->ei_update_lock);
bch2_trans_init(&trans, c, 4, 1024);
- ret = __bch2_trans_do(&trans, NULL, NULL, 0,
+ ret = commit_do(&trans, NULL, NULL, 0,
bch2_link_trans(&trans,
inode_inum(dir), &dir_u,
inode_inum(inode), &inode_u,
bch2_lock_inodes(INODE_UPDATE_LOCK, dir, inode);
bch2_trans_init(&trans, c, 4, 1024);
- ret = __bch2_trans_do(&trans, NULL, NULL,
+ ret = commit_do(&trans, NULL, NULL,
BTREE_INSERT_NOFAIL,
bch2_unlink_trans(&trans,
inode_inum(dir), &dir_u,
inode = __bch2_create(mnt_userns, dir, dentry, S_IFLNK|S_IRWXUGO, 0,
(subvol_inum) { 0 }, BCH_CREATE_TMPFILE);
- if (unlikely(IS_ERR(inode)))
- return PTR_ERR(inode);
+ if (IS_ERR(inode))
+ return bch2_err_class(PTR_ERR(inode));
inode_lock(&inode->v);
ret = page_symlink(&inode->v, symname, strlen(symname) + 1);
goto err;
}
- ret = __bch2_trans_do(&trans, NULL, NULL, 0,
+ ret = commit_do(&trans, NULL, NULL, 0,
bch2_rename_trans(&trans,
inode_inum(src_dir), &src_dir_u,
inode_inum(dst_dir), &dst_dir_u,
btree_err:
bch2_trans_iter_exit(&trans, &inode_iter);
- if (ret == -EINTR)
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
if (unlikely(ret))
goto err_trans;
err:
mutex_unlock(&inode->ei_update_lock);
- return ret;
+ return bch2_err_class(ret);
}
static int bch2_getattr(struct user_namespace *mnt_userns,
(subvol_inum) { 0 }, BCH_CREATE_TMPFILE);
if (IS_ERR(inode))
- return PTR_ERR(inode);
+ return bch2_err_class(PTR_ERR(inode));
d_mark_tmpfile(dentry, &inode->v);
d_instantiate(dentry, &inode->v);
bch2_trans_iter_init(&trans, &iter, BTREE_ID_extents,
SPOS(ei->v.i_ino, start, snapshot), 0);
- while ((k = bch2_btree_iter_peek(&iter)).k &&
- !(ret = bkey_err(k)) &&
- bkey_cmp(iter.pos, end) < 0) {
+ while (!(ret = btree_trans_too_many_iters(&trans)) &&
+ (k = bch2_btree_iter_peek_upto(&iter, end)).k &&
+ !(ret = bkey_err(k))) {
enum btree_id data_btree = BTREE_ID_extents;
if (!bkey_extent_is_data(k.k) &&
start = iter.pos.offset;
bch2_trans_iter_exit(&trans, &iter);
err:
- if (ret == -EINTR)
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
if (!ret && have_extent)
};
static const struct address_space_operations bch_address_space_operations = {
- .writepage = bch2_writepage,
- .readpage = bch2_readpage,
+ .read_folio = bch2_read_folio,
.writepages = bch2_writepages,
.readahead = bch2_readahead,
- .set_page_dirty = __set_page_dirty_nobuffers,
+ .dirty_folio = filemap_dirty_folio,
.write_begin = bch2_write_begin,
.write_end = bch2_write_end,
- .invalidatepage = bch2_invalidatepage,
- .releasepage = bch2_releasepage,
+ .invalidate_folio = bch2_invalidate_folio,
+ .release_folio = bch2_release_folio,
.direct_IO = noop_direct_IO,
#ifdef CONFIG_MIGRATION
- .migratepage = bch2_migrate_page,
+ .migrate_folio = filemap_migrate_folio,
#endif
.error_remove_page = generic_error_remove_page,
};
memcpy(name, d.v->d_name, name_len);
name[name_len] = '\0';
err:
- if (ret == -EINTR)
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
bch2_trans_iter_exit(&trans, &iter1);
ATTR_ATIME|ATTR_MTIME|ATTR_CTIME);
mutex_unlock(&inode->ei_update_lock);
- return ret;
+ return bch2_err_class(ret);
}
static void bch2_evict_inode(struct inode *vinode)
}
void bch2_evict_subvolume_inodes(struct bch_fs *c,
- struct snapshot_id_list *s)
+ snapshot_id_list *s)
{
struct super_block *sb = c->vfs_sb;
struct inode *inode;
static int bch2_sync_fs(struct super_block *sb, int wait)
{
struct bch_fs *c = sb->s_fs_info;
+ int ret;
if (c->opts.journal_flush_disabled)
return 0;
return 0;
}
- return bch2_journal_flush(&c->journal);
+ ret = bch2_journal_flush(&c->journal);
+ return bch2_err_class(ret);
}
static struct bch_fs *bch2_path_to_fs(const char *path)
ret = bch2_parse_mount_opts(c, &opts, data);
if (ret)
- return ret;
+ goto err;
if (opts.read_only != c->opts.read_only) {
down_write(&c->state_lock);
if (ret) {
bch_err(c, "error going rw: %i", ret);
up_write(&c->state_lock);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
sb->s_flags &= ~SB_RDONLY;
if (opts.errors >= 0)
c->opts.errors = opts.errors;
-
- return ret;
+err:
+ return bch2_err_class(ret);
}
static int bch2_show_devname(struct seq_file *seq, struct dentry *root)
{
struct bch_fs *c = root->d_sb->s_fs_info;
enum bch_opt_id i;
- char buf[512];
+ struct printbuf buf = PRINTBUF;
+ int ret = 0;
for (i = 0; i < bch2_opts_nr; i++) {
const struct bch_option *opt = &bch2_opt_table[i];
if (v == bch2_opt_get_by_id(&bch2_opts_default, i))
continue;
- bch2_opt_to_text(&PBUF(buf), c, opt, v,
+ printbuf_reset(&buf);
+ bch2_opt_to_text(&buf, c, c->disk_sb.sb, opt, v,
OPT_SHOW_MOUNT_STYLE);
seq_putc(seq, ',');
- seq_puts(seq, buf);
+ seq_puts(seq, buf.buf);
}
- return 0;
+ if (buf.allocation_failure)
+ ret = -ENOMEM;
+ printbuf_exit(&buf);
+ return ret;
}
static void bch2_put_super(struct super_block *sb)
sb->s_time_min = div_s64(S64_MIN, c->sb.time_units_per_sec) + 1;
sb->s_time_max = div_s64(S64_MAX, c->sb.time_units_per_sec);
c->vfs_sb = sb;
- strlcpy(sb->s_id, c->name, sizeof(sb->s_id));
+ strscpy(sb->s_id, c->name, sizeof(sb->s_id));
ret = super_setup_bdi(sb);
if (ret)
sb->s_shrink.seeks = 0;
vinode = bch2_vfs_inode_get(c, BCACHEFS_ROOT_SUBVOL_INUM);
- if (IS_ERR(vinode)) {
- bch_err(c, "error mounting: error getting root inode %i",
- (int) PTR_ERR(vinode));
- ret = PTR_ERR(vinode);
+ ret = PTR_ERR_OR_ZERO(vinode);
+ if (ret) {
+ bch_err(c, "error mounting: error getting root inode: %s", bch2_err_str(ret));
goto err_put_super;
}
void bch2_vfs_exit(void)
{
unregister_filesystem(&bcache_fs_type);
- if (bch2_inode_cache)
- kmem_cache_destroy(bch2_inode_cache);
+ kmem_cache_destroy(bch2_inode_cache);
}
int __init bch2_vfs_init(void)
projects / bcachefs-tools-debian / blobdiff