dentry_update_name_case – update case insensitive dentry with a new name Synopsis void dentry_update_name_case(struct dentry *dentry, const struct qstr *name); Arguments dentry dentry to be updated name new name Description Update a case insensitive dentry with new case of name. dentry must have been returned by d_lookup with name name. Old and new name lengths must…
delete_from_page_cache – delete page from page cache Synopsis void delete_from_page_cache(struct page *page); Arguments page the page which the kernel is trying to remove from page cache Description This must be called only on pages that have been verified to be in the page cache and locked. It will never put the page into the free…
decode_rs8 – Decode codeword (8bit data width) Synopsis int decode_rs8(struct rs_control *rs, uint8_t *data, uint16_t *par, int len, uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk, uint16_t *corr); Arguments rs the rs control structure data data field of a given type par received parity data field len data length s syndrome data field (if NULL,…
decode_rs16 – Decode codeword (16bit data width) Synopsis int decode_rs16(struct rs_control *rs, uint16_t *data, uint16_t *par, int len, uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk, uint16_t *corr); Arguments rs the rs control structure data data field of a given type par received parity data field len data length s syndrome data field (if NULL,…
debugfs_use_file_start – mark the beginning of file data access Synopsis int debugfs_use_file_start(const struct dentry *dentry, int *srcu_idx); Arguments dentry the dentry object whose data is being accessed. srcu_idx a pointer to some memory to store a SRCU index in. Description Up to a matching call to debugfs_use_file_finish, any successive call into the file removing functions…
debugfs_use_file_finish – mark the end of file data access Synopsis void debugfs_use_file_finish(int srcu_idx); Arguments srcu_idx the SRCU index “created” by a former call to debugfs_use_file_start. Description Allow any ongoing concurrent call into debugfs_remove or debugfs_remove_recursive blocked by a former call to debugfs_use_file_start to proceed and return to its caller. Copyright
debugfs_rename – rename a file/directory in the debugfs filesystem Synopsis struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, struct dentry *new_dir, const char *new_name); Arguments old_dir a pointer to the parent dentry for the renamed object. This should be a directory dentry. old_dentry dentry of an object to be renamed. new_dir a pointer to the…
debugfs_remove_recursive – recursively removes a directory Synopsis void debugfs_remove_recursive(struct dentry *dentry); Arguments dentry a pointer to a the dentry of the directory to be removed. If this parameter is NULL or an error value, nothing will be done. Description This function recursively removes a directory tree in debugfs that was previously created with a call…
debugfs_remove – removes a file or directory from the debugfs filesystem Synopsis void debugfs_remove(struct dentry *dentry); Arguments dentry a pointer to a the dentry of the file or directory to be removed. If this parameter is NULL or an error value, nothing will be done. Description This function removes a file or directory in debugfs…
debugfs_print_regs32 – use seq_print to describe a set of registers Synopsis void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs, int nregs, void __iomem *base, char *prefix); Arguments s the seq_file structure being used to generate output regs an array if struct debugfs_reg32 structures nregs the length of the above array base the base address to…
debugfs_initialized – Tells whether debugfs has been registered Synopsis bool debugfs_initialized(void); Arguments void no arguments Copyright
debugfs_create_x8 – create a debugfs file that is used to read and write an unsigned 8-bit value Synopsis struct dentry *debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…
debugfs_create_x64 – create a debugfs file that is used to read and write an unsigned 64-bit value Synopsis struct dentry *debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent, u64 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…
debugfs_create_x32 – create a debugfs file that is used to read and write an unsigned 32-bit value Synopsis struct dentry *debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent, u32 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…
debugfs_create_x16 – create a debugfs file that is used to read and write an unsigned 16-bit value Synopsis struct dentry *debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…
debugfs_create_ulong – create a debugfs file that is used to read and write an unsigned long value. Synopsis struct dentry *debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, unsigned long *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent…
debugfs_create_u8 – create a debugfs file that is used to read and write an unsigned 8-bit value Synopsis struct dentry *debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, u8 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…
debugfs_create_u64 – create a debugfs file that is used to read and write an unsigned 64-bit value Synopsis struct dentry *debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…
debugfs_create_u32_array – create a debugfs file that is used to read u32 array. Synopsis struct dentry *debugfs_create_u32_array(const char *name, umode_t mode, struct dentry *parent, u32 *array, u32 elements); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have. parent a pointer to…
debugfs_create_u32 – create a debugfs file that is used to read and write an unsigned 32-bit value Synopsis struct dentry *debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent, u32 *value); Arguments name a pointer to a string containing the name of the file to create. mode the permission that the file should have parent a…