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authorLinus Torvalds <torvalds@g5.osdl.org>2006-05-11 18:34:33 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-05-11 18:34:33 -0400
commitf7a014af2d76a96e5af51b64f954328b700fa62f (patch)
tree85e75ffcd1f552401431c90797aed36aa711b333 /arch/powerpc/sysdev/mpic.c
parentdac07ec121de66b6be988b14ae2cd9ce45357b21 (diff)
parent6dd727da92290193d0f74fa39f3ad53f423524db (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (25 commits) [SCSI] mptfc: race between mptfc_register_dev and mptfc_target_alloc [SCSI] lpfc 8.1.6 : Fix Data Corruption in Bus Reset Path [SCSI] mptspi: revalidate negotiation parameters after host reset and resume [SCSI] srp.h: avoid padding of structs [SCSI] ibmvscsi: fix leak when failing to send srp event [SCSI] qla2xxx: Correct eh_abort recovery logic. [SCSI] megaraid_{mm,mbox}: fix a bug in reset handler [SCSI] fusion - bug fix stack overflow in mptbase [SCSI] scsi: Add IBM 2104-DU3 to blist [SCSI] Fix DVD burning issues. [SCSI] SCSI: aic7xxx_osm_pci resource leak fix. [SCSI] - fusion - mptfc bug fix's to prevent deadlock situations [SCSI] mptfusion: bug fix's for raid components adding/deleting [SCSI] aic7xxx: ahc_pci_write_config() fix [SCSI] megaraid: unused variable [SCSI] qla2xxx: only free_irq() after request_irq() succeeds [SCSI] Overrun in drivers/scsi/sim710.c [SCSI] lpfc 8.1.5 : Change version number to 8.1.5 [SCSI] lpfc 8.1.5 : Misc small fixes [SCSI] lpfc 8.1.5 : Additional fixes to LOGO, PLOGI, and RSCN processing ...
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
0 files changed, 0 insertions, 0 deletions
t to 1, if the generic pipe read/write may coalesce * data into an existing buffer. If this is set to 0, a new pipe * page segment is always used for new data. */ int can_merge; /* * ->map() returns a virtual address mapping of the pipe buffer. * The last integer flag reflects whether this should be an atomic * mapping or not. The atomic map is faster, however you can't take * page faults before calling ->unmap() again. So if you need to eg * access user data through copy_to/from_user(), then you must get * a non-atomic map. ->map() uses the KM_USER0 atomic slot for * atomic maps, so you can't map more than one pipe_buffer at once * and you have to be careful if mapping another page as source * or destination for a copy (IOW, it has to use something else * than KM_USER0). */ void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int); /* * Undoes ->map(), finishes the virtual mapping of the pipe buffer. */ void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *); /* * ->confirm() verifies that the data in the pipe buffer is there * and that the contents are good. If the pages in the pipe belong * to a file system, we may need to wait for IO completion in this * hook. Returns 0 for good, or a negative error value in case of * error. */ int (*confirm)(struct pipe_inode_info *, struct pipe_buffer *); /* * When the contents of this pipe buffer has been completely * consumed by a reader, ->release() is called. */ void (*release)(struct pipe_inode_info *, struct pipe_buffer *); /* * Attempt to take ownership of the pipe buffer and its contents. * ->steal() returns 0 for success, in which case the contents * of the pipe (the buf->page) is locked and now completely owned * by the caller. The page may then be transferred to a different * mapping, the most often used case is insertion into different * file address space cache. */ int (*steal)(struct pipe_inode_info *, struct pipe_buffer *); /* * Get a reference to the pipe buffer. */ void (*get)(struct pipe_inode_info *, struct pipe_buffer *); }; /* Differs from PIPE_BUF in that PIPE_SIZE is the length of the actual memory allocation, whereas PIPE_BUF makes atomicity guarantees. */ #define PIPE_SIZE PAGE_SIZE /* Pipe lock and unlock operations */ void pipe_lock(struct pipe_inode_info *); void pipe_unlock(struct pipe_inode_info *); void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *); extern unsigned int pipe_max_size, pipe_min_size; int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *); /* Drop the inode semaphore and wait for a pipe event, atomically */ void pipe_wait(struct pipe_inode_info *pipe); struct pipe_inode_info * alloc_pipe_info(struct inode * inode); void free_pipe_info(struct inode * inode); void __free_pipe_info(struct pipe_inode_info *); /* Generic pipe buffer ops functions */ void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int); void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *); void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *); /* for F_SETPIPE_SZ and F_GETPIPE_SZ */ long pipe_fcntl(struct file *, unsigned int, unsigned long arg); struct pipe_inode_info *get_pipe_info(struct file *file); #endif