Home
last modified time | relevance | path

Searched full:file (Results 1 – 25 of 8195) sorted by relevance

12345678910>>...328

/linux/fs/overlayfs/
H A Dfile.c7 #include <linux/file.h>
15 #include <linux/backing-file.h>
28 static struct file *ovl_open_realfile(const struct file *file, in ovl_open_realfile() argument
32 struct inode *inode = file_inode(file); in ovl_open_realfile()
34 struct file *realfile; in ovl_open_realfile()
35 int flags = file->f_flags | OVL_OPEN_FLAGS; in ovl_open_realfile()
51 realfile = backing_file_open(file_user_path(file), in ovl_open_realfile()
57 file, file, ovl_whatisit(inode, realinode), file->f_flags, in ovl_open_realfile()
65 static int ovl_change_flags(struct file *file, unsigned int flags) in ovl_change_flags() argument
67 struct inode *inode = file_inode(file); in ovl_change_flags()
[all …]
/linux/fs/lockd/
H A Dsvcsubs.c28 * 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 Dfile.rs5 //! 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/
H A Dfile.c3 * linux/fs/file.c
17 #include <linux/file.h>
36 if (WARN_ONCE(cnt >= FILE_REF_RELEASED, "imbalanced put on file reference count")) { in __file_ref_put_badval()
121 * space if any. This does not copy the file pointers. Called with the files
138 * Copy all file descriptors from the old table to the new, expanded table and
147 cpy = ofdt->max_fds * sizeof(struct file *); in copy_fdtable()
148 set = (nfdt->max_fds - ofdt->max_fds) * sizeof(struct file *); in copy_fdtable()
206 * a process tries to use a file descriptor near that limit. For example, in alloc_fdtable()
208 * systemd typically sets it to - then trying to use a file descriptor in alloc_fdtable()
209 * close to that value will require allocating a file descriptor table in alloc_fdtable()
[all …]
H A Dkernel_read_file.c9 * 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/ecryptfs/
H A Dfile.c12 #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 Dfnic_debugfs.c38 * 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 Dfile.c3 * 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 Duser_mad.c9 * 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 Dparse-console.sh5 # 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/drivers/gpu/drm/i915/gt/
H A Dshmem_utils.c17 struct file *shmem_create_from_data(const char *name, void *data, size_t len) in shmem_create_from_data()
19 struct file *file; in shmem_create_from_data() local
22 file = shmem_file_setup(name, PAGE_ALIGN(len), in shmem_create_from_data()
24 if (IS_ERR(file)) in shmem_create_from_data()
25 return file; in shmem_create_from_data()
27 err = shmem_write(file, 0, data, len); in shmem_create_from_data()
29 fput(file); in shmem_create_from_data()
33 return file; in shmem_create_from_data()
36 struct file *shmem_create_from_object(struct drm_i915_gem_object *obj) in shmem_create_from_object()
39 struct file *file; in shmem_create_from_object() local
[all …]
/linux/fs/ceph/
H A Dioctl.c16 * 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/drivers/gpu/drm/
H A Ddrm_file.c37 #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_obj(*file); in drm_file_alloc()
140 if (!file) in drm_file_alloc()
[all …]
/linux/fs/proc/
H A Dinode.c19 #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/Documentation/ABI/testing/
H A Dsysfs-driver-ufs5 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 …]
/linux/kernel/liveupdate/
H A Dluo_file.c9 * 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/include/linux/
H A Dfs.h105 * flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond
109 /* file is open for reading */
111 /* file is open for writing */
113 /* file is seekable */
115 /* file can be accessed using pread */
117 /* file can be accessed using pwrite */
119 /* File is opened for execution with sys_execve / sys_uselib */
121 /* File writes are restricted (block device specific) */
123 /* File supports atomic writes */
147 /* File is opened with O_PATH; almost nothing can be done with it */
[all …]
H A Dfsnotify.h104 * is on a file/dentry.
116 static inline int fsnotify_file(struct file *file, __u32 mask) in fsnotify_file() argument
122 * handle creation / destruction events and not "real" file events. in fsnotify_file()
124 if (FMODE_FSNOTIFY_NONE(file->f_mode)) in fsnotify_file()
127 return fsnotify_path(&file->f_path, mask); in fsnotify_file()
132 int fsnotify_open_perm_and_set_mode(struct file *file);
135 * fsnotify_file_area_perm - permission hook before access to file range
137 static inline int fsnotify_file_area_perm(struct file *file, int perm_mask, in fsnotify_file_area_perm() argument
142 * (e.g. by HSM filling a file on access), so sb freeze protection in fsnotify_file_area_perm()
145 lockdep_assert_once(file_write_not_started(file)); in fsnotify_file_area_perm()
[all …]
H A Dfile.h16 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/drivers/net/wireless/marvell/libertas/
H A Ddebugfs.c25 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/tools/perf/util/
H A Ddata.c51 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 = &files[nr++]; in perf_data__open_dir()
[all …]
/linux/drivers/media/pci/ivtv/
H A Divtv-ioctl.c309 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/fs/fuse/
H A Dpassthrough.c3 * 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/fs/ocfs2/
H A Dlocks.c5 * 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 Dima_main.c13 * 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 fo
137 ima_rdwr_violation_check(struct file * file,struct ima_iint_cache * iint,int must_measure,char ** pathbuf,const char ** pathname,char * filename) ima_rdwr_violation_check() argument
184 ima_check_last_writer(struct ima_iint_cache * iint,struct inode * inode,struct file * file) ima_check_last_writer() argument
221 ima_file_free(struct file * file) ima_file_free() argument
236 process_measurement(struct file * file,const struct cred * cred,struct lsm_prop * prop,char * buf,loff_t size,int mask,enum ima_hooks func,enum kernel_read_file_id read_id) process_measurement() argument
483 ima_file_mmap(struct file * file,unsigned long reqprot,unsigned long prot,unsigned long flags) ima_file_mmap() argument
526 struct file *file; ima_file_mprotect() local
611 ima_creds_check(struct linux_binprm * bprm,const struct file * file) ima_creds_check() argument
658 ima_file_check(struct file * file,int mask) ima_file_check() argument
668 __ima_inode_hash(struct inode * inode,struct file * file,char * buf,size_t buf_size) __ima_inode_hash() argument
745 ima_file_hash(struct file * file,char * buf,size_t buf_size) ima_file_hash() argument
858 ima_read_file(struct file * file,enum kernel_read_file_id read_id,bool contents) ima_read_file() argument
909 ima_post_read_file(struct file * file,char * buf,loff_t size,enum kernel_read_file_id read_id) ima_post_read_file() argument
[all...]

12345678910>>...328