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320f0c6022
The purpose of this PR is to accepts fadvise ioctl from userland to do read-ahead by demand. It could dramatically improve sequential read performance especially when primarycache is set to metadata or zfs_prefetch_disable is 1. If the file is mmaped, generic_fadvise is also called for page cache read-ahead besides dmu_prefetch. Only POSIX_FADV_WILLNEED and POSIX_FADV_SEQUENTIAL are supported in this PR currently. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Finix Yan <yancw@info2soft.com> Closes #13694
50 lines
647 B
Plaintext
50 lines
647 B
Plaintext
/badsend
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/btree_test
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/chg_usr_exec
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/devname2devid
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/dir_rd_update
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/draid
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/file_fadvise
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/file_append
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/file_check
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/file_trunc
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/file_write
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/get_diff
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/getversion
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/largest_file
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/libzfs_input_check
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/mkbusy
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/mkfile
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/mkfiles
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/mktree
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/mmap_exec
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/mmap_libaio
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/mmap_seek
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/mmap_sync
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/mmapwrite
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/nvlist_to_lua
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/randfree_file
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/randwritecomp
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/read_dos_attributes
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/readmmap
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/rename_dir
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/rm_lnkcnt_zero_file
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/send_doall
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/stride_dd
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/threadsappend
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/user_ns_exec
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/write_dos_attributes
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/xattrtest
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/zed_fd_spill-zedlet
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/suid_write_to_file
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/cp_files
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/ctime
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/truncate_test
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/ereports
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/zfs_diff-socket
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/dosmode_readonly_write
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/blake3_test
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/edonr_test
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/skein_test
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/sha2_test
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