test_and_set_bit – Set a bit and return its old value Synopsis bool test_and_set_bit(long nr, volatile unsigned long * addr); Arguments nr Bit to set addr Address to count from Description This operation is atomic and cannot be reordered. It also implies a memory barrier. Copyright
test_and_clear_bit – Clear a bit and return its old value Synopsis bool test_and_clear_bit(long nr, volatile unsigned long * addr); Arguments nr Bit to clear addr Address to count from Description This operation is atomic and cannot be reordered. It also implies a memory barrier. Copyright
test_and_change_bit – Change a bit and return its old value Synopsis bool test_and_change_bit(long nr, volatile unsigned long * addr); Arguments nr Bit to change addr Address to count from Description This operation is atomic and cannot be reordered. It also implies a memory barrier. Copyright
tag_pages_for_writeback – tag pages to be written by write_cache_pages Synopsis void tag_pages_for_writeback(struct address_space *mapping, pgoff_t start, pgoff_t end); Arguments mapping address space structure to write start starting page index end ending page index (inclusive) Description This function scans the page range from start to end (inclusive) and tags all pages that have DIRTY tag set…
sysfs_streq – return true if strings are equal, modulo trailing newline Synopsis bool sysfs_streq(const char * s1, const char * s2); Arguments s1 one string s2 another string Description This routine returns true iff two strings are equal, treating both NUL and newline-then-NUL as equivalent string terminations. It’s geared for use with sysfs input strings, which generally terminate with…
sysfs_rename_link_ns – rename symlink in object’s directory. Synopsis int sysfs_rename_link_ns(struct kobject *kobj, struct kobject *targ, const char *old, const char *new, const void *new_ns); Arguments kobj object we’re acting for. targ object we’re pointing to. old previous name of the symlink. new new name of the symlink. new_ns new namespace of the symlink. Description A…
sysfs_remove_link – remove symlink in object’s directory. Synopsis void sysfs_remove_link(struct kobject *kobj, const char *name); Arguments kobj object we’re acting for. name name of the symlink to remove. Copyright
sysfs_remove_file_ns – remove an object attribute with a custom ns tag Synopsis void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr, const void *ns); Arguments kobj object we’re acting for attr attribute descriptor ns namespace tag of the file to remove Description Hash the attribute name and namespace tag and kill the victim. Copyright
sysfs_remove_file_from_group – remove an attribute file from a group. Synopsis void sysfs_remove_file_from_group(struct kobject *kobj, const struct attribute *attr, const char *group); Arguments kobj object we’re acting for. attr attribute descriptor. group group name. Copyright
sysfs_remove_bin_file – remove binary file for object. Synopsis void sysfs_remove_bin_file(struct kobject *kobj, const struct bin_attribute *attr); Arguments kobj object. attr attribute descriptor. Copyright
sysfs_create_link – create symlink between two objects. Synopsis int sysfs_create_link(struct kobject *kobj, struct kobject *target, const char *name); Arguments kobj object whose directory we’re creating the link in. target object we’re pointing to. name name of the symlink. Copyright
sysfs_create_file_ns – create an attribute file for an object with custom ns Synopsis int sysfs_create_file_ns(struct kobject *kobj, const struct attribute *attr, const void *ns); Arguments kobj object we’re creating for attr attribute descriptor ns namespace the new file should belong to Copyright
sysfs_create_bin_file – create binary file for object. Synopsis int sysfs_create_bin_file(struct kobject *kobj, const struct bin_attribute *attr); Arguments kobj object. attr attribute descriptor. Copyright
sysfs_chmod_file – update the modified mode value on an object attribute. Synopsis int sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr, umode_t mode); Arguments kobj object we’re acting for. attr attribute descriptor. mode file permissions. Copyright
sysfs_add_file_to_group – add an attribute file to a pre-existing group. Synopsis int sysfs_add_file_to_group(struct kobject *kobj, const struct attribute *attr, const char *group); Arguments kobj object we’re acting for. attr attribute descriptor. group group name. Copyright
sys_set_robust_list – Set the robust-futex list head of a task Synopsis long sys_set_robust_list(struct robust_list_head __user *head, size_t len); Arguments head pointer to the list-head len length of the list-head, as userspace expects Author Rusty Russell <rusty [at] rustcorp.com.au> Author. Copyright
sys_get_robust_list – Get the robust-futex list head of a task Synopsis long sys_get_robust_list(int pid, struct robust_list_head __user *__user *head_ptr, size_t __user *len_ptr); Arguments pid pid of the process [zero for current task] head_ptr pointer to a list-head pointer, the kernel fills it in len_ptr pointer to a length field, the kernel fills in the header…
sys_flock – flock system call. Synopsis long sys_flock(unsigned int fd, unsigned int cmd); Arguments fd the file descriptor to lock. cmd the type of lock to apply. Description Apply a FL_FLOCK style lock to an open file descriptor. The cmd can be one of LOCK_SH — a shared lock. LOCK_EX — an exclusive lock. LOCK_UN…
sys_acct – enable/disable process accounting Synopsis long sys_acct(const char __user *name); Arguments name file name for accounting records or NULL to shutdown accounting Description Returns 0 for success or negative errno values for failure. sys_acct is the only system call needed to implement process accounting. It takes the name of the file where accounting records…
synchronize_net – Synchronize with packet receive processing Synopsis void synchronize_net(void); Arguments void no arguments Description Wait for packets currently being received to be done. Does not block later packets from starting. Copyright