Contributors: 17
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Eric Van Hensbergen |
143 |
34.79% |
7 |
17.07% |
| Aneesh Kumar K.V |
91 |
22.14% |
8 |
19.51% |
| Hou Tao |
59 |
14.36% |
1 |
2.44% |
| Abhishek Kulkarni |
28 |
6.81% |
1 |
2.44% |
| Sripathi Kodi |
20 |
4.87% |
3 |
7.32% |
| M. Mohan Kumar |
13 |
3.16% |
2 |
4.88% |
| Nicholas Piggin |
10 |
2.43% |
2 |
4.88% |
| Latchesar Ionkov |
9 |
2.19% |
3 |
7.32% |
| Jan Kara |
6 |
1.46% |
1 |
2.44% |
| Al Viro |
6 |
1.46% |
4 |
9.76% |
| Venkateswararao Jujjuri (JV) |
6 |
1.46% |
2 |
4.88% |
| Christian Brauner |
5 |
1.22% |
2 |
4.88% |
| Arjan van de Ven |
4 |
0.97% |
1 |
2.44% |
| David Howells |
4 |
0.97% |
1 |
2.44% |
| Dominique Martinet |
4 |
0.97% |
1 |
2.44% |
| Thomas Gleixner |
2 |
0.49% |
1 |
2.44% |
| Christoph Hellwig |
1 |
0.24% |
1 |
2.44% |
| Total |
411 |
|
41 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* V9FS VFS extensions.
*
* Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
*/
#ifndef FS_9P_V9FS_VFS_H
#define FS_9P_V9FS_VFS_H
/* plan9 semantics are that created files are implicitly opened.
* But linux semantics are that you call create, then open.
* the plan9 approach is superior as it provides an atomic
* open.
* we track the create fid here. When the file is opened, if fidopen is
* non-zero, we use the fid and can skip some steps.
* there may be a better way to do this, but I don't know it.
* one BAD way is to clunk the fid on create, then open it again:
* you lose the atomicity of file open
*/
/* special case:
* unlink calls remove, which is an implicit clunk. So we have to track
* that kind of thing so that we don't try to clunk a dead fid.
*/
#define P9_LOCK_TIMEOUT (30*HZ)
/* flags for v9fs_stat2inode() & v9fs_stat2inode_dotl() */
#define V9FS_STAT2INODE_KEEP_ISIZE 1
extern struct file_system_type v9fs_fs_type;
extern const struct address_space_operations v9fs_addr_operations;
extern const struct file_operations v9fs_file_operations;
extern const struct file_operations v9fs_file_operations_dotl;
extern const struct file_operations v9fs_dir_operations;
extern const struct file_operations v9fs_dir_operations_dotl;
extern const struct dentry_operations v9fs_dentry_operations;
extern const struct dentry_operations v9fs_cached_dentry_operations;
extern struct kmem_cache *v9fs_inode_cache;
struct inode *v9fs_alloc_inode(struct super_block *sb);
void v9fs_free_inode(struct inode *inode);
struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode,
dev_t rdev);
void v9fs_set_netfs_context(struct inode *inode);
int v9fs_init_inode(struct v9fs_session_info *v9ses,
struct inode *inode, umode_t mode, dev_t rdev);
void v9fs_evict_inode(struct inode *inode);
ino_t v9fs_qid2ino(struct p9_qid *qid);
void v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
struct super_block *sb, unsigned int flags);
void v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
unsigned int flags);
int v9fs_dir_release(struct inode *inode, struct file *filp);
int v9fs_file_open(struct inode *inode, struct file *file);
int v9fs_uflags2omode(int uflags, int extended);
void v9fs_blank_wstat(struct p9_wstat *wstat);
int v9fs_vfs_setattr_dotl(struct mnt_idmap *idmap,
struct dentry *dentry, struct iattr *iattr);
int v9fs_file_fsync_dotl(struct file *filp, loff_t start, loff_t end,
int datasync);
int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode);
int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode);
static inline void v9fs_invalidate_inode_attr(struct inode *inode)
{
struct v9fs_inode *v9inode;
v9inode = V9FS_I(inode);
v9inode->cache_validity |= V9FS_INO_INVALID_ATTR;
}
int v9fs_open_to_dotl_flags(int flags);
static inline void v9fs_i_size_write(struct inode *inode, loff_t i_size)
{
/*
* 32-bit need the lock, concurrent updates could break the
* sequences and make i_size_read() loop forever.
* 64-bit updates are atomic and can skip the locking.
*/
if (sizeof(i_size) > sizeof(long))
spin_lock(&inode->i_lock);
i_size_write(inode, i_size);
if (sizeof(i_size) > sizeof(long))
spin_unlock(&inode->i_lock);
}
#endif