xiaomi-sm8450/android_kernel_xiaomi_sm8450
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fuse: general infrastructure for pages[] of variable size

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The patch removes inline array of FUSE_MAX_PAGES_PER_REQ page pointers from
fuse_req. Instead of that, req->pages may now point either to small inline
array or to an array allocated dynamically.

This essentially means that all callers of fuse_request_alloc[_nofs] should
pass the number of pages needed explicitly.

The patch doesn't make any logic changes.

Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
This commit is contained in:
Maxim Patlasov
2012-10-26 19:48:07 +04:00
committed by Miklos Szeredi
parent 0b05b18381
commit 4250c0668e
4 changed files with 50 additions and 20 deletions
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4
fs/fuse/inode.c
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@@ -1037,12 +1037,12 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
/* only now - we want root dentry with NULL ->d_op */
sb->s_d_op = &fuse_dentry_operations;
init_req = fuse_request_alloc();
init_req = fuse_request_alloc(0);
if (!init_req)
goto err_put_root;
if (is_bdev) {
fc->destroy_req = fuse_request_alloc();
fc->destroy_req = fuse_request_alloc(0);
if (!fc->destroy_req)
goto err_free_init_req;
}