dyn-config: try to read it again in case the pagecache is not flushed out #548
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… out In-case if the editor (vim) follows write to a new file (.swp, .tmp ..) and move it to actual file name later. There is a window, where we will encounter one case that the file data is not flushed to the disk, so in another process(here) when reading it will be empty. Let just wait and try again. Signed-off-by: Xiubo Li <[email protected]>
| return -ENOMEM; | ||
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| retry: | ||
| count++; |
Collaborator
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I think the tabbing/spacing got messed up for the count++ line.
| */ | ||
| if (count <= 5 && (len == 0 || ret == -ENOENT)) { | ||
| tcmu_dbg("failed to read the config from file, retrying (%d/5) times\n", | ||
| count); |
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Same for the "count);" line here. I think the tabbing/spacing got messed up.
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In-case if the editor (vim) follows write to a new file (.swp, .tmp ..)
and move it to actual file name later. There is a window, where we will
encounter one case that the file data is not flushed to the disk, so in
another process(here) when reading it will be empty.
Let just wait and try again.
Signed-off-by: Xiubo Li [email protected]