xdr_encode_opaque – Encode variable length opaque data Synopsis __be32 * xdr_encode_opaque(__be32 * p, const void * ptr, unsigned int nbytes); Arguments p pointer to current position in XDR buffer. ptr pointer to data to encode (or NULL) nbytes size of data. Description Returns the updated current XDR buffer position Copyright
xdr_commit_encode – Ensure all data is written to buffer Synopsis void xdr_commit_encode(struct xdr_stream *xdr); Arguments xdr pointer to xdr_stream Description We handle encoding across page boundaries by giving the caller a temporary location to write to, then later copying the data into place; xdr_commit_encode does that copying. Normally the caller doesn’t need to call this…
xdr_buf_trim – lop at most “len” bytes off the end of “buf” Synopsis void xdr_buf_trim(struct xdr_buf *buf, unsigned int len); Arguments buf buf to be trimmed len number of bytes to reduce “buf” by Description Trim an xdr_buf by the given number of bytes by fixing up the lengths. Note that it’s possible that we’ll…
xdr_buf_subsegment – set subbuf to a portion of buf Synopsis int xdr_buf_subsegment(struct xdr_buf *buf, struct xdr_buf *subbuf, unsigned int base, unsigned int len); Arguments buf an xdr buffer subbuf the result buffer base beginning of range in bytes len length of range in bytes Description sets subbuf to an xdr buffer representing the portion of…
ww_mutex_unlock – release the w/w mutex Synopsis void __sched ww_mutex_unlock(struct ww_mutex *lock); Arguments lock the mutex to be released Description Unlock a mutex that has been locked by this task previously with any of the ww_mutex_lock* functions (with or without an acquire context). It is forbidden to release the locks after releasing the acquire context….
writeback_inodes_sb_nr – writeback dirty inodes from given super_block Synopsis void writeback_inodes_sb_nr(struct super_block *sb, unsigned long nr, enum wb_reason reason); Arguments sb the superblock nr the number of pages to write reason reason why some writeback work initiated Description Start writeback on some inodes on this super_block. No guarantees are made on how many (if any)…
writeback_inodes_sb – writeback dirty inodes from given super_block Synopsis void writeback_inodes_sb(struct super_block *sb, enum wb_reason reason); Arguments sb the superblock reason reason why some writeback work was initiated Description Start writeback on some inodes on this super_block. No guarantees are made on how many (if any) will be written, and this function does not wait…
write_zsreg – Write to a Z8530 channel register Synopsis void write_zsreg(struct z8530_channel *c, u8 reg, u8 val); Arguments c The Z8530 channel reg Register number val Value to write Description Write a value to an indexed register. The caller must hold the lock to honour the irritating delay rules. We know about register 0 being…
write_zsdata – Write to a Z8530 control register Synopsis void write_zsdata(struct z8530_channel *c, u8 val); Arguments c The Z8530 channel val Value to write Description Write directly to the data register on the Z8530 Author Alan Cox <alan [at] lxorguk.ukuu.org.uk> Author. Copyright
write_zsctrl – Write to a Z8530 control register Synopsis void write_zsctrl(struct z8530_channel *c, u8 val); Arguments c The Z8530 channel val Value to write Description Write directly to the control register on the Z8530 Author Alan Cox <alan [at] lxorguk.ukuu.org.uk> Author. Copyright
write_one_page – write out a single page and optionally wait on I/O Synopsis int write_one_page(struct page *page, int wait); Arguments page the page to write wait if true, wait on writeout Description The page must be locked by the caller and will be unlocked upon return. write_one_page returns a negative error code if I/O failed….
write_inode_now – write an inode to disk Synopsis int write_inode_now(struct inode *inode, int sync); Arguments inode inode to write to disk sync whether the write should be synchronous or not Description This function commits an inode to disk immediately if it is dirty. This is primarily needed by knfsd. The caller must either have a…
write_cache_pages – walk the list of dirty pages of the given address space and write all of them. Synopsis int write_cache_pages(struct address_space *mapping, struct writeback_control *wbc, writepage_t writepage, void *data); Arguments mapping address space structure to write wbc subtract the number of written pages from *wbc->nr_to_write writepage function called for each page data data passed…
write_bbt – [GENERIC] (Re)write the bad block table Synopsis int write_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, struct nand_bbt_descr *md, int chipsel); Arguments mtd MTD device structure buf temporary buffer td descriptor for the bad block table md descriptor for the bad block table mirror chipsel selector for a specific chip, -1 for all…
wimax_state_get – Return the current state of a WiMAX device Synopsis enum wimax_st wimax_state_get(struct wimax_dev * wimax_dev); Arguments wimax_dev WiMAX device descriptor Return Current state of the device according to its driver. Copyright
wimax_state_change – Set the current state of a WiMAX device Synopsis void wimax_state_change(struct wimax_dev *wimax_dev, enum wimax_st new_state); Arguments wimax_dev WiMAX device descriptor (properly referenced) new_state New state to switch to Description This implements the state changes for the wimax devices. It will – verify that the state transition is legal (for now it’ll just…
wimax_rfkill – Set the software RF switch state for a WiMAX device Synopsis int wimax_rfkill(struct wimax_dev *wimax_dev, enum wimax_rf_state state); Arguments wimax_dev WiMAX device descriptor state New RF state. Return >= 0 toggle state if ok, < 0 errno code on error. The toggle state is returned as a bitmap, bit 0 being the hardware…
wimax_reset – Reset a WiMAX device Synopsis int wimax_reset(struct wimax_dev *wimax_dev); Arguments wimax_dev WiMAX device descriptor Return 0 if ok and a warm reset was done (the device still exists in the system). –ENODEV if a cold/bus reset had to be done (device has disconnected and reconnected, so current handle is not valid any more)….
wimax_report_rfkill_sw – Reports changes in the software RF switch Synopsis void wimax_report_rfkill_sw(struct wimax_dev *wimax_dev, enum wimax_rf_state state); Arguments wimax_dev WiMAX device descriptor state New state of the RF kill switch. WIMAX_RF_ON radio on, WIMAX_RF_OFF radio off. Description Reports changes in the software RF switch state to the WiMAX stack. The main use is during initialization,…
wimax_report_rfkill_hw – Reports changes in the hardware RF switch Synopsis void wimax_report_rfkill_hw(struct wimax_dev *wimax_dev, enum wimax_rf_state state); Arguments wimax_dev WiMAX device descriptor state New state of the RF Kill switch. WIMAX_RF_ON radio on, WIMAX_RF_OFF radio off. Description When the device detects a change in the state of thehardware RF switch, it must call this function…