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https://github.com/torvalds/linux
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45d4582f21
Get rid of sector_div and hash table for linear raid and replace with a linear search in which_dev. The hash table adds a lot of complexity for little if any gain. Ultimately a binary search will be used which will have smaller cache foot print, a similar number of memory access, and no divisions. Signed-off-by: Sandeep K Sinha <sandeepksinha@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
23 lines
360 B
C
23 lines
360 B
C
#ifndef _LINEAR_H
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#define _LINEAR_H
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struct dev_info {
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mdk_rdev_t *rdev;
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sector_t num_sectors;
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sector_t start_sector;
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};
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typedef struct dev_info dev_info_t;
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struct linear_private_data
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{
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struct linear_private_data *prev; /* earlier version */
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sector_t array_sectors;
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dev_info_t disks[0];
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};
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typedef struct linear_private_data linear_conf_t;
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#endif
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