Other Functions
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Chapter 1. The Linux VFS
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Other Functions
Table of Contents
mpage_readpages
- populate an address space with some pages & start reads against them
mpage_writepages
- walk the list of dirty pages of the given address space & writepage all of them
generic_permission
- check for access rights on a Posix-like filesystem
vfs_permission
- check for access rights to a given path
file_permission
- check for additional access rights to a given file
path_get
- get a reference to a path
path_put
- put a reference to a path
vfs_path_lookup
- lookup a file path relative to a dentry-vfsmount pair
lookup_one_len
- filesystem helper to lookup single pathname component
filp_open
- open file and return file pointer
lookup_create
- lookup a dentry, creating it if it doesn't exist
freeze_bdev
- - lock a filesystem and force it into a consistent state
thaw_bdev
- - unlock filesystem
sync_mapping_buffers
- write out & wait upon a mapping's associated buffers
mark_buffer_dirty
- mark a buffer_head as needing writeout
__bread
- reads a specified block and returns the bh
block_invalidatepage
- invalidate part of all of a buffer-backed page
ll_rw_block
- level access to block devices (DEPRECATED)
bh_uptodate_or_lock
- Test whether the buffer is uptodate
bh_submit_read
- Submit a locked buffer for reading
bio_alloc_bioset
- allocate a bio for I/O
bio_put
- release a reference to a bio
__bio_clone
- clone a bio
bio_clone
- clone a bio
bio_get_nr_vecs
- return approx number of vecs
bio_add_pc_page
- attempt to add page to bio
bio_add_page
- attempt to add page to bio
bio_uncopy_user
- finish previously mapped bio
bio_copy_user
- copy user data to bio
bio_map_user
- map user address into bio
bio_unmap_user
- unmap a bio
bio_map_kern
- map kernel address into bio
bio_copy_kern
- copy kernel address into bio
bio_endio
- end I/O on a bio
seq_open
- initialize sequential file
seq_read
- ->read method for sequential files.
seq_lseek
- ->llseek method for sequential files.
seq_release
- free the structures associated with sequential file.
seq_escape
- print string into buffer, escaping some characters
register_filesystem
- register a new filesystem
unregister_filesystem
- unregister a file system
__mark_inode_dirty
- internal function
write_inode_now
- write an inode to disk
sync_inode
- write an inode and its pages to disk.
generic_osync_inode
- flush all dirty data for a given inode to disk
bd_claim_by_disk
- wrapper function for bd_claim_by_kobject
bd_release_from_disk
- wrapper function for bd_release_from_kobject
open_bdev_excl
- open a block device by name and set it up for use
close_bdev_excl
- release a blockdevice openen by open_bdev_excl