ceaa5e80db
Store the cookie to detect concurrent seeks on directories in file->private_data. Link: https://lore.kernel.org/r/20240830-vfs-file-f_version-v1-13-6d3e4816aa7b@kernel.org Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* file.h
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*
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* Function prototypes
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*
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* Copyright (C) 2002, 2004 Oracle. All rights reserved.
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*/
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#ifndef OCFS2_FILE_H
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#define OCFS2_FILE_H
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extern const struct file_operations ocfs2_fops;
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extern const struct file_operations ocfs2_dops;
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extern const struct file_operations ocfs2_fops_no_plocks;
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extern const struct file_operations ocfs2_dops_no_plocks;
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extern const struct inode_operations ocfs2_file_iops;
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extern const struct inode_operations ocfs2_special_file_iops;
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struct ocfs2_alloc_context;
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enum ocfs2_alloc_restarted;
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struct ocfs2_file_private {
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u64 cookie;
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struct file *fp_file;
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struct mutex fp_mutex;
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struct ocfs2_lock_res fp_flock;
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};
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int ocfs2_add_inode_data(struct ocfs2_super *osb,
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struct inode *inode,
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u32 *logical_offset,
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u32 clusters_to_add,
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int mark_unwritten,
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struct buffer_head *fe_bh,
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handle_t *handle,
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struct ocfs2_alloc_context *data_ac,
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struct ocfs2_alloc_context *meta_ac,
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enum ocfs2_alloc_restarted *reason_ret);
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int ocfs2_set_inode_size(handle_t *handle,
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struct inode *inode,
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struct buffer_head *fe_bh,
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u64 new_i_size);
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int ocfs2_simple_size_update(struct inode *inode,
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struct buffer_head *di_bh,
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u64 new_i_size);
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int ocfs2_truncate_file(struct inode *inode,
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struct buffer_head *di_bh,
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u64 new_i_size);
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int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
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u64 new_i_size, u64 zero_to);
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int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
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loff_t zero_to);
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int ocfs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
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struct iattr *attr);
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int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path,
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struct kstat *stat, u32 request_mask, unsigned int flags);
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int ocfs2_permission(struct mnt_idmap *idmap,
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struct inode *inode,
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int mask);
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int ocfs2_should_update_atime(struct inode *inode,
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struct vfsmount *vfsmnt);
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int ocfs2_update_inode_atime(struct inode *inode,
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struct buffer_head *bh);
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int ocfs2_change_file_space(struct file *file, unsigned int cmd,
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struct ocfs2_space_resv *sr);
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int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
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size_t count);
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int ocfs2_remove_inode_range(struct inode *inode,
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struct buffer_head *di_bh, u64 byte_start,
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u64 byte_len);
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#endif /* OCFS2_FILE_H */
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