vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Common helpers for stackable filesystems and backing files.
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*
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* Copyright (C) 2023 CTERA Networks.
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*/
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#ifndef _LINUX_BACKING_FILE_H
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#define _LINUX_BACKING_FILE_H
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#include <linux/file.h>
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#include <linux/uio.h>
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#include <linux/fs.h>
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struct backing_file_ctx {
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const struct cred *cred;
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void (*accessed)(struct file *file);
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void (*end_write)(struct kiocb *iocb, ssize_t);
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};
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struct file *backing_file_open(const struct file *user_file, int flags,
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const struct path *real_path,
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const struct cred *cred);
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struct file *backing_tmpfile_open(const struct file *user_file, int flags,
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const struct path *real_parentpath,
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umode_t mode, const struct cred *cred);
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ssize_t backing_file_read_iter(struct file *file, struct iov_iter *iter,
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struct kiocb *iocb, int flags,
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struct backing_file_ctx *ctx);
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ssize_t backing_file_write_iter(struct file *file, struct iov_iter *iter,
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struct kiocb *iocb, int flags,
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struct backing_file_ctx *ctx);
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ssize_t backing_file_splice_read(struct file *in, struct kiocb *iocb,
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struct pipe_inode_info *pipe, size_t len,
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unsigned int flags,
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struct backing_file_ctx *ctx);
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ssize_t backing_file_splice_write(struct pipe_inode_info *pipe,
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struct file *out, struct kiocb *iocb,
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size_t len, unsigned int flags,
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struct backing_file_ctx *ctx);
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int backing_file_mmap(struct file *file, struct vm_area_struct *vma,
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struct backing_file_ctx *ctx);
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#endif /* _LINUX_BACKING_FILE_H */
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