insert_resource_conflict – Inserts resource in the resource tree Synopsis struct resource *insert_resource_conflict(struct resource *parent, struct resource *new); Arguments parent parent of the new resource new new resource to insert Description Returns 0 on success, conflict resource if the resource can’t be inserted. This function is equivalent to request_resource_conflict when no conflict happens. If a conflict…
insert_resource – Inserts a resource in the resource tree Synopsis int insert_resource(struct resource *parent, struct resource *new); Arguments parent parent of the new resource new new resource to insert Description Returns 0 on success, -EBUSY if the resource can’t be inserted. This function is intended for producers of resources, such as FW modules and bus…
inode_sb_list_add – add inode to the superblock list of inodes Synopsis void inode_sb_list_add(struct inode *inode); Arguments inode inode to add Copyright
inode_permission – Check for access rights to a given inode Synopsis int inode_permission(struct inode *inode, int mask); Arguments inode Inode to check permission on mask Right to check for (MAY_READ, MAY_WRITE, MAY_EXEC) Description Check for read/write/execute permissions on an inode. We use fs[ug]id for this, letting us set arbitrary permissions for filesystem access without changing…
inode_owner_or_capable – check current task permissions to inode Synopsis bool inode_owner_or_capable(const struct inode * inode); Arguments inode inode being checked Description Return true if current either has CAP_FOWNER in a namespace with the inode owner uid mapped, or owns the file. Copyright
inode_init_owner – Init uid,gid,mode for new inode according to posix standards Synopsis void inode_init_owner(struct inode *inode, const struct inode *dir, umode_t mode); Arguments inode New inode dir Directory inode mode mode of the new inode Copyright
inode_init_always – perform inode structure intialisation Synopsis int inode_init_always(struct super_block *sb, struct inode *inode); Arguments sb superblock inode belongs to inode inode to initialise Description These are initializations that need to be done on every inode allocation as the fields are not initialised by slab allocation. Copyright
inode_inc_iversion – increments i_version Synopsis void inode_inc_iversion(struct inode *inode); Arguments inode inode that need to be updated Description Every time the inode is modified, the i_version field will be incremented. The filesystem has to be mounted with i_version flag Copyright
inode_dio_wait – wait for outstanding DIO requests to finish Synopsis void inode_dio_wait(struct inode *inode); Arguments inode inode to wait for Description Waits for all pending direct I/O requests to finish so that we can proceed with a truncate or equivalent operation. Must be called under a lock that serializes taking new references to i_dio_count, usually…
inode_congested – test whether an inode is congested Synopsis int inode_congested(struct inode *inode, int cong_bits); Arguments inode inode to test for congestion (may be NULL) cong_bits mask of WB_[a]sync_congested bits to test Description Tests whether inode is congested. cong_bits is the mask of congestion bits to test and the return value is the mask of…
init_rs_non_canonical – Find a matching or allocate a new rs control structure, for fields with non-canonical representation Synopsis struct rs_control *init_rs_non_canonical(int symsize, int (*gffunc)(int), int fcr, int prim, int nroots); Arguments symsize the symbol size (number of bits) gffunc pointer to function to generate the next field element, or the multiplicative identity element if given…
init_rs – Find a matching or allocate a new rs control structure Synopsis struct rs_control *init_rs(int symsize, int gfpoly, int fcr, int prim, int nroots); Arguments symsize the symbol size (number of bits) gfpoly the extended Galois field generator polynomial coefficients, with the 0th coefficient in the low order bit. The polynomial must be primitive;…
init_dummy_netdev – init a dummy network device for NAPI Synopsis int init_dummy_netdev(struct net_device *dev); Arguments dev device to init Description This takes a network device structure and initialize the minimum amount of fields so it can be used to schedule NAPI polls without registering a full blown interface. This is to be used by drivers…
inc_nlink – directly increment an inode’s link count Synopsis void inc_nlink(struct inode *inode); Arguments inode inode Description This is a low-level filesystem helper to replace any direct filesystem manipulation of i_nlink. Currently, it is only here for parity with dec_nlink. Copyright
ilsel_enable_fixed – Enable an ILSEL set at a fixed interrupt level Synopsis int ilsel_enable_fixed(ilsel_source_t set, unsigned int level); Arguments set ILSEL source (see ilsel_source_t enum in include/asm-sh/ilsel.h). level Interrupt level (1 – 15) Description Enables a given ILSEL source at a fixed interrupt level. Necessary both for level reservation as well as for aliased sources…
ilsel_enable – Enable an ILSEL set. Synopsis int ilsel_enable(ilsel_source_t set); Arguments set ILSEL source (see ilsel_source_t enum in include/asm-sh/ilsel.h). Description Enables a given non-aliased ILSEL source (<= ILSEL_KEY) at the highest available interrupt level. Callers should take care to order callsites noting descending interrupt levels. Aliasing FPGA and external board IRQs need to use ilsel_enable_fixed….
ilsel_disable – Disable an ILSEL set Synopsis void ilsel_disable(unsigned int irq); Arguments irq Bit position for ILSEL set value (retval from enable routines) Description Disable a previously enabled ILSEL set. Author Paul Mundt <lethal [at] linux-sh.org> Author. Copyright
ilookup5_nowait – search for an inode in the inode cache Synopsis struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval, int (*test)(struct inode *, void *), void *data); Arguments sb super block of file system to search hashval hash value (usually inode number) to search for test callback used for comparisons between inodes data opaque data…
ilookup5 – search for an inode in the inode cache Synopsis struct inode *ilookup5(struct super_block *sb, unsigned long hashval, int (*test)(struct inode *, void *), void *data); Arguments sb super block of file system to search hashval hash value (usually inode number) to search for test callback used for comparisons between inodes data opaque data…
ilookup – search for an inode in the inode cache Synopsis struct inode *ilookup(struct super_block *sb, unsigned long ino); Arguments sb super block of file system to search ino inode number to search for Description Search for the inode ino in the inode cache, and if the inode is in the cache, the inode is…