| /linux/fs/ |
| H A D | file_table.c | 11 #include <linux/file.h>
40 /* SLAB cache for file structures */
46 /* Container for backing file with optional user path */
48 struct file file; member
55 #define backing_file(f) container_of(f, struct backing_file, file)
57 const struct path *backing_file_user_path(const struct file *f) in backing_file_user_path()
63 void backing_file_set_user_path(struct file *f, const struct path *path) in backing_file_set_user_path()
69 static inline void file_free(struct file *f) in file_free()
114 .procname = "file-nr",
121 .procname = "file-max",
[all …]
|
| H A D | read_write.c | 12 #include <linux/file.h>
37 static inline bool unsigned_offsets(struct file *file) in unsigned_offsets() argument
39 return file->f_op->fop_flags & FOP_UNSIGNED_OFFSET; in unsigned_offsets()
43 * vfs_setpos_cookie - update the file offset for lseek and reset cookie
44 * @file: file structure in question
45 * @offset: file offset to seek to
46 * @maxsize: maximum file size
49 * Update the file offset to the value specified by @offset if the given
50 * offset is valid and it is not equal to the current file offset and
55 static loff_t vfs_setpos_cookie(struct file *file, loff_t offset, in vfs_setpos_cookie() argument
[all …]
|
| H A D | kernel_read_file.c | 9 * kernel_read_file() - read file contents into a kernel buffer
11 * @file: file to read from
18 * @file_size: if non-NULL, the full size of @file will be
21 * file contents being read (for LSMs to examine)
24 * (i.e. the caller must be expecting to read partial file contents
26 * will be able to determine when the entire file was read by
28 * file, though, since it is possible that the contents might
35 ssize_t kernel_read_file(struct file *file, loff_t offset, void **buf, in kernel_read_file() argument
48 if (!S_ISREG(file_inode(file)->i_mode)) in kernel_read_file()
51 ret = deny_write_access(file); in kernel_read_file()
[all …]
|
| /linux/fs/overlayfs/ |
| H A D | file.c | 7 #include <linux/file.h>
14 #include <linux/backing-file.h>
27 static struct file *ovl_open_realfile(const struct file *file, in ovl_open_realfile() argument
31 struct inode *inode = file_inode(file); in ovl_open_realfile()
33 struct file *realfile; in ovl_open_realfile()
34 int flags = file->f_flags | OVL_OPEN_FLAGS; in ovl_open_realfile()
50 realfile = backing_file_open(file_user_path(file), in ovl_open_realfile()
56 file, file, ovl_whatisit(inode, realinode), file->f_flags, in ovl_open_realfile()
64 static int ovl_change_flags(struct file *file, unsigned int flags) in ovl_change_flags() argument
66 struct inode *inode = file_inode(file); in ovl_change_flags()
[all …]
|
| /linux/fs/lockd/ |
| H A D | svcsubs.c | 28 * Global file hash table
46 static inline void nlm_debug_print_file(char *msg, struct nlm_file *file) in nlm_debug_print_file() argument
48 struct inode *inode = nlmsvc_file_inode(file); in nlm_debug_print_file()
59 static inline void nlm_debug_print_file(char *msg, struct nlm_file *file) in nlm_debug_print_file() argument
80 * Open the file. Note that if we're reexporting, for example,
84 * the file.
87 struct nlm_file *file, int mode) in nlm_do_fopen() argument
89 struct file **fp = &file->f_file[mode]; in nlm_do_fopen()
94 nfserr = nlmsvc_ops->fopen(rqstp, &file->f_handle, fp, mode); in nlm_do_fopen()
101 * Lookup file info. If it doesn't exist, create a file info struct
[all …]
|
| /linux/rust/kernel/fs/ |
| H A D | file.rs | 5 //! Files and file descriptors.
8 //! [`include/linux/file.h`](srctree/include/linux/file.h)
20 /// Primitive type representing the offset within a [`File`].
25 /// Flags associated with a [`File`].
27 /// File is opened in append mode.
36 /// File was created if it didn't already exist.
39 /// Direct I/O is enabled for this file.
42 /// File must be a directory.
48 /// Ensure that this file is created with the `open(2)` call.
51 /// Large file size enabled (`off64_t` over `off_t`).
[all …]
|
| /linux/fs/ecryptfs/ |
| H A D | file.c | 12 #include <linux/file.h>
29 * returns without any errors. This is to be used only for file reads.
36 struct file *file = iocb->ki_filp; in ecryptfs_read_update_atime() local
40 struct path path = ecryptfs_lower_path(file->f_path.dentry); in ecryptfs_read_update_atime()
53 * to be used only for file reads. The function to be used for directory reads
56 static ssize_t ecryptfs_splice_read_update_atime(struct file *in, loff_t *ppos, in ecryptfs_splice_read_update_atime()
121 * @file: The eCryptfs directory file
124 static int ecryptfs_readdir(struct file *file, struct dir_context *ctx) in ecryptfs_readdir() argument
127 struct file *lower_file; in ecryptfs_readdir()
128 struct inode *inode = file_inode(file); in ecryptfs_readdir()
[all …]
|
| /linux/drivers/scsi/fnic/ |
| H A D | fnic_debugfs.c | 38 * file system. If not already created, this routine will create the
68 * When Debugfs is configured this routine removes debugfs file system
85 * or fc_trace_clear debugfs file
86 * @filp: The file pointer to read from.
89 * @ppos: The position in the file to start reading from.
95 * It will start reading file at @ppos and
101 static ssize_t fnic_trace_ctrl_read(struct file *filp, in fnic_trace_ctrl_read()
117 pr_err("fnic: Cannot read to any debugfs file\n"); in fnic_trace_ctrl_read()
125 * fc_trace_clear debugfs file
126 * @filp: The file pointer to write from.
[all …]
|
| /linux/fs/debugfs/ |
| H A D | file.c | 3 * file.c - part of debugfs, a tiny little debug file system
29 static ssize_t default_read_file(struct file *file, char __user *buf, in default_read_file() argument
35 static ssize_t default_write_file(struct file *file, const char __user *buf, in default_write_file() argument
50 void *debugfs_get_aux(const struct file *file) in debugfs_get_aux() argument
52 return DEBUGFS_I(file_inode(file))->aux; in debugfs_get_aux()
69 * debugfs_file_get() on a dentry that isn't even a file, let in __debugfs_file_get()
146 * debugfs_file_get - mark the beginning of file data access
150 * into the file removing functions debugfs_remove() and
152 * file data may only get freed after a successful return of any of
156 * If -%EIO is returned, the file has already been removed and thus,
[all …]
|
| /linux/drivers/infiniband/core/ |
| H A D | user_mad.c | 9 * General Public License (GPL) Version 2, available from the file
81 * device special file is opened, we take a reference on the
174 static int hdr_size(struct ib_umad_file *file) in hdr_size() argument
176 return file->use_pkey_index ? sizeof(struct ib_user_mad_hdr) : in hdr_size()
180 /* caller must hold file->mutex */
181 static struct ib_mad_agent *__get_agent(struct ib_umad_file *file, int id) in __get_agent() argument
183 return file->agents_dead ? NULL : file->agent[id]; in __get_agent()
186 static int queue_packet(struct ib_umad_file *file, struct ib_mad_agent *agent, in queue_packet() argument
191 mutex_lock(&file->mutex); in queue_packet()
194 atomic_read(&file->recv_list_size) > MAX_UMAD_RECV_LIST_SIZE) in queue_packet()
[all …]
|
| /linux/tools/testing/selftests/rcutorture/bin/ |
| H A D | parse-console.sh | 5 # The "file" is a pathname on the local system, and "title" is
8 # Usage: parse-console.sh file title
15 file="$1"
22 # Check for presence and readability of console output file
23 if test -f "$file" -a -r "$file"
27 echo $title unreadable console output file: $file
30 if grep -Pq '\x00' < $file
34 cat /dev/null > $file
[all...] |
| /linux/fs/ceph/ |
| H A D | ioctl.c | 16 * get and set the file layout
18 static long ceph_ioctl_get_layout(struct file *file, void __user *arg) in ceph_ioctl_get_layout() argument
20 struct ceph_inode_info *ci = ceph_inode(file_inode(file)); in ceph_ioctl_get_layout()
24 err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false); in ceph_ioctl_get_layout()
65 static long ceph_ioctl_set_layout(struct file *file, void __user *arg) in ceph_ioctl_set_layout() argument
67 struct inode *inode = file_inode(file); in ceph_ioctl_set_layout()
71 struct ceph_inode_info *ci = ceph_inode(file_inode(file)); in ceph_ioctl_set_layout()
79 err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false); in ceph_ioctl_set_layout()
137 static long ceph_ioctl_set_layout_policy (struct file *file, void __user *arg) in ceph_ioctl_set_layout_policy() argument
139 struct inode *inode = file_inode(file); in ceph_ioctl_set_layout_policy()
[all …]
|
| /linux/fs/proc/ |
| H A D | inode.c | 19 #include <linux/file.h>
226 * "struct file" needs to be available at the right moment. in close_pdeo()
235 struct file *file; in close_pdeo() local
241 file = pdeo->file; in close_pdeo()
242 pde->proc_ops->proc_release(file_inode(file), file); in close_pdeo()
275 static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence) in proc_reg_llseek() argument
277 struct proc_dir_entry *pde = PDE(file_inode(file)); in proc_reg_llseek()
281 return pde->proc_ops->proc_lseek(file, offset, whence); in proc_reg_llseek()
283 rv = pde->proc_ops->proc_lseek(file, offset, whence); in proc_reg_llseek()
304 static ssize_t pde_read(struct proc_dir_entry *pde, struct file *file, char __user *buf, size_t cou… in pde_read() argument
[all …]
|
| /linux/drivers/gpu/drm/ |
| H A D | drm_file.c | 37 #include <linux/file.h>
72 * DOC: file operations
74 * Drivers must define the file operations structure that forms the DRM
87 * userspace through the file descriptor. They are used to send vblank event and
97 * No other file operations are supported by the DRM userspace API. Overall the
122 * drm_file_alloc - allocate file context
125 * This allocates a new DRM file context. It is not linked into any context and
136 struct drm_file *file; in drm_file_alloc() local
139 file = kzalloc(sizeof(*file), GFP_KERNEL); in drm_file_alloc()
140 if (!file) in drm_file_alloc()
[all …]
|
| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-driver-ufs | 5 This file contains the auto-hibernate idle timer setting of a
19 Description: This file shows the device type. This is one of the UFS
23 The file is read only.
29 Description: This file shows the device class. This is one of the UFS
33 The file is read only.
39 Description: This file shows the UFS storage subclass. This is one of
43 The file is read only.
49 Description: This file shows the protocol supported by an UFS device.
54 The file is read only.
60 Description: This file shows number of logical units. This is one of
[all …]
|
| H A D | sysfs-kernel-mm-damon | 17 Description: Writing a number 'N' to this file creates the number of
24 Description: Writing 'on' or 'off' to this file makes the kdamond starts or
25 stops, respectively. Reading the file returns the keywords
26 based on the current status. Writing 'commit' to this file
29 this file makes the kdamond reads the quota goal files again.
30 Writing 'update_schemes_stats' to the file updates contents of
32 'update_schemes_tried_regions' to the file updates contents of
34 kdamond. Writing 'update_schemes_tried_bytes' to the file
36 kdamond. Writing 'clear_schemes_tried_regions' to the file
38 'update_schemes_effective_quotas' to the file updates
[all …]
|
| /linux/kernel/liveupdate/ |
| H A D | luo_file.c | 9 * DOC: LUO File Descriptors
11 * LUO provides the infrastructure to preserve specific, stateful file
17 * defined lifecycle for each preserved file.
20 * Kernel modules responsible for a specific file type (e.g., memfd, vfio)
26 * compatible with a given 'struct file'.
27 * - preserve(): The heavyweight operation that saves the file's state and
36 * the file anymore.
39 * - retrieve(): Reconstructs the file in the new kernel from the preserved
42 * succesul finish call, LUO gives up ownership to this file.
44 * File Preservation Lifecycle happy path:
[all …]
|
| /linux/drivers/net/wireless/marvell/libertas/ |
| H A D | debugfs.c | 25 static ssize_t write_file_dummy(struct file *file, const char __user *buf, in write_file_dummy() argument
33 static ssize_t lbs_dev_info(struct file *file, char __user *userbuf, in lbs_dev_info() argument
36 struct lbs_private *priv = file->private_data; in lbs_dev_info()
55 static ssize_t lbs_sleepparams_write(struct file *file, in lbs_sleepparams_write() argument
59 struct lbs_private *priv = file->private_data; in lbs_sleepparams_write()
92 static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf, in lbs_sleepparams_read() argument
95 struct lbs_private *priv = file->private_data; in lbs_sleepparams_read()
120 static ssize_t lbs_host_sleep_write(struct file *file, in lbs_host_sleep_write() argument
124 struct lbs_private *priv = file->private_data; in lbs_host_sleep_write()
162 static ssize_t lbs_host_sleep_read(struct file *file, char __user *userbuf, in lbs_host_sleep_read() argument
[all …]
|
| /linux/drivers/media/pci/ivtv/ |
| H A D | ivtv-ioctl.c | 309 static int ivtv_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt) in ivtv_g_fmt_sliced_vbi_out() argument
311 struct ivtv *itv = file2id(file)->itv; in ivtv_g_fmt_sliced_vbi_out()
331 static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) in ivtv_g_fmt_vid_cap() argument
333 struct ivtv_open_id *id = file2id(file); in ivtv_g_fmt_vid_cap()
354 static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) in ivtv_g_fmt_vbi_cap() argument
356 struct ivtv *itv = file2id(file)->itv; in ivtv_g_fmt_vbi_cap()
372 static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) in ivtv_g_fmt_sliced_vbi_cap() argument
375 struct ivtv_open_id *id = file2id(file); in ivtv_g_fmt_sliced_vbi_cap()
395 static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt) in ivtv_g_fmt_vid_out() argument
397 struct ivtv_open_id *id = file2id(file); in ivtv_g_fmt_vid_out()
[all …]
|
| /linux/tools/perf/util/ |
| H A D | data.c | 51 struct perf_data_file *file = &files[i]; in perf_data__create_dir() local
53 ret = asprintf(&file->path, "%s/data.%d", data->path, i); in perf_data__create_dir()
60 ret = open(file->path, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR); in perf_data__create_dir()
75 file->fd = ret; in perf_data__create_dir()
97 * Directory containing a single regular perf data file which is already in perf_data__open_dir()
115 struct perf_data_file *file; in perf_data__open_dir() local
128 file = realloc(files, (nr + 1) * sizeof(*files)); in perf_data__open_dir()
129 if (!file) in perf_data__open_dir()
132 files = file; in perf_data__open_dir()
133 file in perf_data__open_dir()
169 struct perf_data_file *file = &data->dir.files[i]; perf_data__update_dir() local
414 perf_data_file__write(struct perf_data_file * file,void * buf,size_t size) perf_data_file__write() argument
478 struct perf_data_file *file = &data->dir.files[i]; perf_data__size() local
560 FILE *file; is_perf_data() local
[all...] |
| /linux/tools/objtool/ |
| H A D | check.c | 41 struct instruction *find_insn(struct objtool_file *file, in find_insn() argument
46 hash_for_each_possible(file->insn_hash, insn, hash, sec_offset_hash(sec, offset)) { in find_insn()
54 struct instruction *next_insn_same_sec(struct objtool_file *file, in next_insn_same_sec() argument
58 return find_insn(file, insn->sec, insn->offset + insn->len); in next_insn_same_sec()
67 static struct instruction *next_insn_same_func(struct objtool_file *file, in next_insn_same_func() argument
70 struct instruction *next = next_insn_same_sec(file, insn); in next_insn_same_func()
84 return find_insn(file, func->cfunc->sec, func->cfunc->offset); in next_insn_same_func()
87 static struct instruction *prev_insn_same_sec(struct objtool_file *file, in prev_insn_same_sec() argument
92 return find_insn(file, insn->sec, insn->offset - insn->prev_len); in prev_insn_same_sec()
99 static struct instruction *prev_insn_same_sym(struct objtool_file *file, in prev_insn_same_sym() argument
[all …]
|
| /linux/fs/fuse/ |
| H A D | passthrough.c | 3 * FUSE passthrough to backing file.
10 #include <linux/file.h>
11 #include <linux/backing-file.h>
14 static void fuse_file_accessed(struct file *file) in fuse_file_accessed() argument
16 struct inode *inode = file_inode(file); in fuse_file_accessed()
30 struct file *file = iocb->ki_filp; in fuse_passthrough_read_iter() local
31 struct fuse_file *ff = file->private_data; in fuse_passthrough_read_iter()
32 struct file *backing_file = fuse_file_passthrough(ff); in fuse_passthrough_read_iter()
56 struct file *file = iocb->ki_filp; in fuse_passthrough_write_iter() local
57 struct inode *inode = file_inode(file); in fuse_passthrough_write_iter()
[all …]
|
| /linux/include/linux/ |
| H A D | file.h | 16 struct file;
18 extern void fput(struct file *);
26 extern struct file *alloc_file_pseudo(struct inode *, struct vfsmount *,
28 extern struct file *alloc_file_pseudo_noaccount(struct inode *, struct vfsmount *,
30 extern struct file *alloc_file_clone(struct file *, int flags,
33 /* either a reference to struct file + flags
44 #define fd_file(f) ((struct file *)((f).word & ~(FDPUT_FPUT|FDPUT_POS_UNLOCK)))
51 static inline struct fd BORROWED_FD(struct file *f) in BORROWED_FD()
55 static inline struct fd CLONED_FD(struct file *f) in CLONED_FD()
66 extern struct file *fget(unsigned int fd);
[all …]
|
| /linux/fs/ocfs2/ |
| H A D | locks.c | 5 * Userspace file locking support
19 #include "file.h"
23 static int ocfs2_do_flock(struct file *file, struct inode *inode, in ocfs2_do_flock() argument
27 struct ocfs2_file_private *fp = file->private_data; in ocfs2_do_flock()
58 locks_lock_file_wait(file, &request); in ocfs2_do_flock()
60 ocfs2_file_unlock(file); in ocfs2_do_flock()
63 ret = ocfs2_file_lock(file, level, trylock); in ocfs2_do_flock()
72 ret = locks_lock_file_wait(file, fl); in ocfs2_do_flock()
74 ocfs2_file_unlock(file); in ocfs2_do_flock()
82 static int ocfs2_do_funlock(struct file *file, int cmd, struct file_lock *fl) in ocfs2_do_funlock() argument
[all …]
|
| /linux/security/integrity/ima/ |
| H A D | ima_main.c | 13 * File: ima_main.c
19 #include <linux/file.h>
105 /* Prevent mmap'ing a file execute that is already mmap'ed write */
106 static int mmap_violation_check(enum ima_hooks func, struct file *file, in mmap_violation_check() argument
114 mapping_writably_mapped(file->f_mapping)) { in mmap_violation_check()
116 inode = file_inode(file); in mmap_violation_check()
119 *pathname = ima_d_path(&file->f_path, pathbuf, in mmap_violation_check()
131 * - Opening a file for write when already open for read,
133 * - Opening a file for read when already open for write,
134 * could result in a file measurement error.
[all …]
|