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9pfs: add cleanup operation in FileOperations

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Currently, the backend of VirtFS doesn't have a cleanup
function. This will lead resource leak issues if the backed
driver allocates resources. This patch addresses this issue.

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Li Qiang 2016-11-23 13:53:34 +01:00 • committed by Greg Kurz
parent 4774718e5c
commit 702dbcc274
2 changed files with 7 additions and 0 deletions
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1
fsdev/file-op-9p.h
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@ -100,6 +100,7 @@ struct FileOperations
{
int (*parse_opts)(QemuOpts *, struct FsDriverEntry *);
int (*init)(struct FsContext *);
void (*cleanup)(struct FsContext *);
int (*lstat)(FsContext *, V9fsPath *, struct stat *);
ssize_t (*readlink)(FsContext *, V9fsPath *, char *, size_t);
int (*chmod)(FsContext *, V9fsPath *, FsCred *);