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From: Maximiliano Sandoval <m.sandoval@proxmox.com>
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Subject: [pbs-devel] [PATCH backup 11/13] restore_daemon: use map_while
instead of filter_map(Result::ok)
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Fixes the lines_filter_map_ok clippy lint:
```
warning: `filter_map()` will run forever if the iterator repeatedly produces an `Err`
--> proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs:195:14
|
195 | .filter_map(Result::ok)
| ^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `map_while(Result::ok)`
|
note: this expression returning a `std::io::Lines` may produce an infinite number of `Err` in case of a read error
--> proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs:193:18
|
193 | for f in BufReader::new(File::open("/proc/filesystems")?)
| __________________^
194 | | .lines()
| |____________________^
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#lines_filter_map_ok
= note: `#[warn(clippy::lines_filter_map_ok)]` on by default
```
Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
---
proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs b/proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs
index f60dbbfa2..50fbf315e 100644
--- a/proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs
+++ b/proxmox-restore-daemon/src/proxmox_restore_daemon/disk.rs
@@ -192,7 +192,7 @@ impl Filesystems {
let mut supported_fs = Vec::new();
for f in BufReader::new(File::open("/proc/filesystems")?)
.lines()
- .filter_map(Result::ok)
+ .map_while(Result::ok)
{
// ZFS is treated specially, don't attempt to do a regular mount with it
let f = f.trim();
--
2.39.5
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