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mapfree: obey MARS_HAS_OLD_BDGET

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Thomas Schoebel-Theuer 2022-09-09 14:45:27 +02:00
parent af9106c191
commit 7762bfe67a
1 changed files with 4 additions and 0 deletions
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4
kernel/lib_mapfree.c
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@ -228,7 +228,9 @@ struct mapfree_info *mapfree_get(const char *name, int flags, int *error)
struct inode *inode;
loff_t length;
int i;
#ifdef MARS_HAS_OLD_BDGET
int ra = 1;
#endif
int prot = 0600;
#ifdef MARS_NEEDS_KERNEL_DS
mm_segment_t oldfs;
@ -306,6 +308,7 @@ struct mapfree_info *mapfree_get(const char *name, int flags, int *error)
mf->mf_length[i].dl_length = length;
}
#ifdef MARS_HAS_OLD_BDGET
if (S_ISBLK(inode->i_mode)) {
#ifdef MARS_HAS_BDI_GET
struct backing_dev_info *bdi =
@ -318,6 +321,7 @@ struct mapfree_info *mapfree_get(const char *name, int flags, int *error)
inode->i_bdev->bd_disk->queue->backing_dev_info.ra_pages = ra;
#endif
}
#endif /* MARS_HAS_OLD_BDGET */
if (flags & O_DIRECT) { // never share them
break;