2020-08-14
2020-08-14 本文已影响0人
帆子_8c3a
nfs_revalidate_file_size
nfs_attribute_timeout
__nfs_revalidate_inode //timeout or other
nfs_attribute_cache_expired
nfs_attribute_timeout
nfs_revalidate_inode
nfs_attribute_cache_expired //if not expird, just return 0
__nfs_revalidate_inode //real revalidate
nfs_revalidate_mapping
nfs_mapping_need_revalidate_inode //if timeout
nfs_attribute_timeout
__nfs_revalidate_inode //send getattr RPC
nfs_invalidate_mapping
nfs_file_read
nfs_file_direct_read //if O_DIRECT
nfs_revalidate_mapping
generic_file_aio_read
nfs_getattr
__nfs_revalidate_inode //need_atime, real revalidate
nfs_revalidate_inode //not need_atime
nfs_invalidate_inode
nfs_zap_caches_locked //NFS_INO_INVALID_ATTR | NFS_INO_INVALID_DATA
nfs_zap_caches
nfs_zap_caches_locked
NFS_INO_INVALID_ATTR
nfs_zap_mapping
NFS_INO_INVALID_DATA
nfs_fscache_invalidate
nfs_direct_write_reschedule
nfs_direct_write_complete
schedule_work
=> nfs_direct_write_schedule_work
nfs_direct_complete
nfs_zap_mapping
nfs_direct_write_schedule_work
nfs_file_write
nfs_file_direct_write //if O_DIRECT
nfs_revalidate_file_size
generic_file_aio_write
nfs_file_direct_write
nfs_sync_mapping
nfs_direct_write_schedule_iovec
nfs_direct_write_schedule_segment //for each segment
=> nfs_direct_write_completion
nfs_readpage
nfs_readpage_from_fscache
__nfs_readpage_from_fscache
nfs_readpage_async
read_pageio_init
pnfs_pageio_init_read
nfs_pageio_init_read
nfs_pageio_init