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SubjectRe: [PATCH 3/4] fs/ntfs3: Optimize locking in ntfs_save_wsl_perm
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On Fri, 2021-10-22 at 18:55 +0300, Konstantin Komarov wrote:
> Right now in ntfs_save_wsl_perm we lock/unlock 4 times.
> This commit fixes this situation.
> We add "locked" argument to ntfs_set_ea.
[]
> diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c
[]
> @@ -259,7 +259,7 @@ static int ntfs_get_ea(struct inode *inode, const char *name, size_t name_len,
>
> static noinline int ntfs_set_ea(struct inode *inode, const char *name,
> size_t name_len, const void *value,
> - size_t val_size, int flags)
> + size_t val_size, int flags, bool locked)
[]
> @@ -595,7 +597,7 @@ static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
> flags = 0;
> }
>
> - err = ntfs_set_ea(inode, name, name_len, value, size, flags);
> + err = ntfs_set_ea(inode, name, name_len, value, size, flags, 0);

generally is nicer to use true/false for bool rather than true/0

> err = ntfs_set_ea(inode, "$LXGID", sizeof("$LXGID") - 1, &value,
> - sizeof(value), 0);
> + sizeof(value), 0, true);


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